Internet threats
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This document discusses 5 main types of internet threats: malware, spam, phishing, botnets, and denial of service attacks. It defines malware as malicious software and identifies 5 common types: viruses, worms, trojans, spyware, and adware. Spam is defined as unwanted email, often used to spread malware. Phishing involves acquiring personal information like passwords through deception. Botnets are groups of compromised computers that are connected in a network. Denial of service attacks disrupt access to internet services.
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Internet threats
The document discusses several internet threats including malware, spam, phishing, and copyright infringement. It defines malware as malicious software programs like viruses, worms, Trojans, spyware, and adware that can harm computers. Spam is unwanted email, often containing malware, sent by bots or advertisers. Phishing attempts to steal personal information through fraudulent emails directing users to enter data on fake websites. The document also provides tips to avoid copyright infringement by understanding ownership rights and being responsible and creative with one's work.
Internet threats and defence mechanism
1. Internet Threats
1.1 Cyber-bullying
1.2 Cyberstalking
1.3 Phishing
1.4 Webspam
1.5 E-mail Spoofing
1.6 What Is Spam?
1.7 Denial-of-Service (DoS) Attack
1.8 Chain Letters – A Problem
1.9 Internet Enemies
2. Defense Mechanisms
Internet Threats
This document discusses five main internet threats: malware, spam, phishing, botnets, and DOS attacks. Malware includes viruses, worms, trojans, spyware, and adware which can replicate and spread between computers through various means to access users' information or monitor their activities without consent. Spam involves unwanted emails, often containing malware, from bots or advertisers. Phishing tricks users into providing private details like passwords or financial information. Botnets are networks of compromised computers controlled remotely. DOS attacks disrupt access to internet services.
Internet Threats
The document defines and describes different types of malware, including viruses, worms, Trojans, spyware, and adware. It notes that viruses replicate and spread between computers, while worms use networks to transfer. Trojans disguise themselves as useful programs but leave systems unprotected. Spyware and keyloggers monitor users' activities and record keystrokes without consent. Adware bombards users with advertisements. It also defines spam email and phishing, the goal of which is to acquire sensitive personal information through fraudulent emails linking to fake websites.
Types of malware
Malware is malicious software that performs unwanted tasks like transmitting browsing data to third parties. There are several types of malware: viruses replicate and spread by damaging files; spyware monitors user activity without permission; adware displays ads; scareware tricks users; worms copy themselves slowing devices; Trojan horses contain harmful code; spam floods the internet for advertising or phishing; and rootkits transmit sensitive data by hiding in devices. Users should use updated antivirus software to detect and remove malware.
Spyware
This document discusses spyware, including its definition, how computers become infected, common symptoms, prevalence, types of spyware programs, and preventative techniques. It defines spyware as software installed without user consent that collects information about user activities. Computers often get infected by downloading freeware that contains spyware. Symptoms can include increased ads, changed browser settings, and slow performance. Many states have enacted laws against spyware. Prevention methods include updating software, only installing trusted programs, and using anti-spyware programs.
[EMPOWERMENT TECHNOLOGIES] - INTERNET THREATS
This document discusses various internet threats such as malware, spam, and phishing. It defines different types of malware like viruses, worms, trojans, spyware and adware. Viruses and worms are malicious programs that replicate and spread from one computer to another. Trojans pose as useful programs but leave computers unprotected. Spyware and keyloggers monitor users' activities without their knowledge. Spam refers to unwanted emails, while phishing tricks users into sharing private information on fake websites. It also provides tips to avoid copyright infringement and conduct safe online research.
Spyware presentation by mangesh wadibhasme
What is SPYWARE?
Spyware is a type of malware that's hard to detect.
It collects information about your surfing habits, browsing history, or personal information (such as credit card numbers), and often uses the internet to pass this information along to third parties without you knowing.
o Key loggers are a type of spyware that monitors your key strokes.
Spyware is mostly classified into four types:
1.System monitors
2.Trojans
3.Adware
4.Tracking Cookies
spyware is mostly used for the purposes of tracking and storing internet users' movements on the web and serving up pop-up ads to internet users.
History and development of spyware.
The first recorded on October 16, 1995 in a UseNet post that poked fun at microsoft's business model.
Spyware at first denoted software meant for espionage purposes.
However, in early 2000 the founder of zone labs, gregor freund, used the term in a press release for the zone alarm personal firewall.
Use of exploits in JavaScript, internet explorer and windows to install.
Effect and behavior.
Unwanted behavior and degradation of system performance.
Unwanted CPU activity, disk usage, and network traffic.
Stability issues:-
Application's freezing.
Failure to boot.
System-wide crashes.
Difficulty connecting to the internet.
Disable software firewalls and anti-virus software.
Routes of infection.
Installed when you open an email attachment.
Spyware installs itself
Install by using deceptive tactics
Common tactics are using a Trojan horse.
USB Keylogger.
browser forces the download and installation of spyware.
Security Practices.
• Installing anti-spyware programs.
• Network firewalls and web proxies to block access to web sites known to install spyware
• Individual users can also install firewalls.
• Install a large hosts file.
• It Install shareware programs offered for download.
• Downloading programs only from reputable sources can provide some protection from this source of attack
Anti-spyware Programs
• Products dedicated to remove or block spyware.
• Programs such as pc tool’s spyware doctor, lava soft's ad-aware se and patrick kolla's spybot - search & destroy.
Legal Issues.
Criminal law
US FTC actions
Netherlands OPTA
Civil law
Libel suits by spyware developers
Webcam Gate
Thank You!
Stay Connected
Stay connected with me at Facebook :- https://www.facebook.com/mangesh.wadibhasme
Follow at Instagram: - @mangesh_hkr
Recommended
Internet threats
The document discusses several internet threats including malware, spam, phishing, and copyright infringement. It defines malware as malicious software programs like viruses, worms, Trojans, spyware, and adware that can harm computers. Spam is unwanted email, often containing malware, sent by bots or advertisers. Phishing attempts to steal personal information through fraudulent emails directing users to enter data on fake websites. The document also provides tips to avoid copyright infringement by understanding ownership rights and being responsible and creative with one's work.
Internet threats and defence mechanism
1. Internet Threats
1.1 Cyber-bullying
1.2 Cyberstalking
1.3 Phishing
1.4 Webspam
1.5 E-mail Spoofing
1.6 What Is Spam?
1.7 Denial-of-Service (DoS) Attack
1.8 Chain Letters – A Problem
1.9 Internet Enemies
2. Defense Mechanisms
Internet Threats
This document discusses five main internet threats: malware, spam, phishing, botnets, and DOS attacks. Malware includes viruses, worms, trojans, spyware, and adware which can replicate and spread between computers through various means to access users' information or monitor their activities without consent. Spam involves unwanted emails, often containing malware, from bots or advertisers. Phishing tricks users into providing private details like passwords or financial information. Botnets are networks of compromised computers controlled remotely. DOS attacks disrupt access to internet services.
Internet Threats
The document defines and describes different types of malware, including viruses, worms, Trojans, spyware, and adware. It notes that viruses replicate and spread between computers, while worms use networks to transfer. Trojans disguise themselves as useful programs but leave systems unprotected. Spyware and keyloggers monitor users' activities and record keystrokes without consent. Adware bombards users with advertisements. It also defines spam email and phishing, the goal of which is to acquire sensitive personal information through fraudulent emails linking to fake websites.
Types of malware
Malware is malicious software that performs unwanted tasks like transmitting browsing data to third parties. There are several types of malware: viruses replicate and spread by damaging files; spyware monitors user activity without permission; adware displays ads; scareware tricks users; worms copy themselves slowing devices; Trojan horses contain harmful code; spam floods the internet for advertising or phishing; and rootkits transmit sensitive data by hiding in devices. Users should use updated antivirus software to detect and remove malware.
Spyware
This document discusses spyware, including its definition, how computers become infected, common symptoms, prevalence, types of spyware programs, and preventative techniques. It defines spyware as software installed without user consent that collects information about user activities. Computers often get infected by downloading freeware that contains spyware. Symptoms can include increased ads, changed browser settings, and slow performance. Many states have enacted laws against spyware. Prevention methods include updating software, only installing trusted programs, and using anti-spyware programs.
[EMPOWERMENT TECHNOLOGIES] - INTERNET THREATS
This document discusses various internet threats such as malware, spam, and phishing. It defines different types of malware like viruses, worms, trojans, spyware and adware. Viruses and worms are malicious programs that replicate and spread from one computer to another. Trojans pose as useful programs but leave computers unprotected. Spyware and keyloggers monitor users' activities without their knowledge. Spam refers to unwanted emails, while phishing tricks users into sharing private information on fake websites. It also provides tips to avoid copyright infringement and conduct safe online research.
Spyware presentation by mangesh wadibhasme
What is SPYWARE?
Spyware is a type of malware that's hard to detect.
It collects information about your surfing habits, browsing history, or personal information (such as credit card numbers), and often uses the internet to pass this information along to third parties without you knowing.
o Key loggers are a type of spyware that monitors your key strokes.
Spyware is mostly classified into four types:
1.System monitors
2.Trojans
3.Adware
4.Tracking Cookies
spyware is mostly used for the purposes of tracking and storing internet users' movements on the web and serving up pop-up ads to internet users.
History and development of spyware.
The first recorded on October 16, 1995 in a UseNet post that poked fun at microsoft's business model.
Spyware at first denoted software meant for espionage purposes.
However, in early 2000 the founder of zone labs, gregor freund, used the term in a press release for the zone alarm personal firewall.
Use of exploits in JavaScript, internet explorer and windows to install.
Effect and behavior.
Unwanted behavior and degradation of system performance.
Unwanted CPU activity, disk usage, and network traffic.
Stability issues:-
Application's freezing.
Failure to boot.
System-wide crashes.
Difficulty connecting to the internet.
Disable software firewalls and anti-virus software.
Routes of infection.
Installed when you open an email attachment.
Spyware installs itself
Install by using deceptive tactics
Common tactics are using a Trojan horse.
USB Keylogger.
browser forces the download and installation of spyware.
Security Practices.
• Installing anti-spyware programs.
• Network firewalls and web proxies to block access to web sites known to install spyware
• Individual users can also install firewalls.
• Install a large hosts file.
• It Install shareware programs offered for download.
• Downloading programs only from reputable sources can provide some protection from this source of attack
Anti-spyware Programs
• Products dedicated to remove or block spyware.
• Programs such as pc tool’s spyware doctor, lava soft's ad-aware se and patrick kolla's spybot - search & destroy.
Legal Issues.
Criminal law
US FTC actions
Netherlands OPTA
Civil law
Libel suits by spyware developers
Webcam Gate
Thank You!
Stay Connected
Stay connected with me at Facebook :- https://www.facebook.com/mangesh.wadibhasme
Follow at Instagram: - @mangesh_hkr
Empowerment Technologies - Online Safety, Ethics and Etiquette
This is a powerpoint presentation that discusses about one of the applied subjects in the k-12 curriculum of the Senior High School: Empowerment Technologies. On this powerpoint presentation, it discusses about the definition of ICT and its advantages and disadvantages of it.
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This document defines and describes different types of malware like viruses, Trojan horses, spyware, adware, and worms. It explains that viruses replicate and spread by damaging files, while spyware monitors user internet activity without permission. Adware displays advertising banners and worms copy themselves across devices and networks to slow them down. The document advises on protecting devices from these malicious software programs.
Online Safety and Security
It is about the different threats that can be obtained through accessing the internet, the different government provisions and how to stay safe online.
Netiquette on using internet
This document provides a lesson on internet safety and netiquette. It outlines 5 objectives for students, which are to consider safety and reputation when sharing information online, avoid internet dangers, be responsible on social media, and browse efficiently. It then defines internet threats like malware, viruses, worms, Trojans, adware, spyware, spam, phishing and provides tips to stay safe such as being mindful of what you share, reading terms and conditions, knowing social media security features, and avoiding suspicious emails or downloads.
Computer Malware
Malware refers to unwanted software that can damage computers, including viruses, trojans, worms, spyware, and more. Viruses attach to files and programs to spread without permission and can damage systems. Trojans also spread unwittingly but allow hackers to access and control infected devices. Worms multiply to use up memory and resources. Spyware collects personal information without consent. Users can protect against malware through antivirus software, firewalls, safe computing habits like avoiding suspicious downloads and emails, and using strong passwords.
Computer virus (Microsoft Powerpoint)
Computer viruses are programs that spread from one computer to another and can damage computers. They are often spread through email attachments which run programs that then infect the computer. It's important to have antivirus software installed and to avoid opening suspicious attachments. Once infected, viruses need to be removed as soon as possible using antivirus scanners to prevent further damage.
Online safety and security
The document discusses various online security threats such as viruses, worms, Trojans, spyware, and denial of service attacks. It defines each threat and provides examples. Golden rules for staying safe online include not giving out personal information, not sending indecent photos, and telling someone if anything seen online causes worry. Understanding the differences between threats like privilege escalation, rootkits, botnets, and logic bombs is the first step to combating security risks. Maintaining up-to-date anti-virus software, patching systems, and timely updates help arm against these extensive and growing threats.
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This document discusses how to stay safe online by following 4 laws: the Data Protection Act, Computer Misuse Act, Copyright Act, and health and safety laws. It explains the importance of protecting personal data, avoiding unauthorized access to computers or altering of data, and preventing physical injury from prolonged computer use. The document provides tips for using antivirus software, not opening unknown attachments, having an ergonomic workstation, and minimizing online hours to avoid threats like viruses, hacking, theft of information, and eye or back strain.
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Spyware refers to programs that use your internet connection to send information from your personal computer to another computer without your knowledge or permission. This information can include browsing habits, downloads, or personal data. Spyware is often installed secretly when a user downloads other software and can slow a computer's performance. Anti-spyware software can prevent spyware installation or detect and remove any spyware already installed. Major anti-virus companies now include anti-spyware features to protect against this type of unwanted program.
What is malware
Simon Pell gave a presentation on malware threats facing small businesses. He defined different types of malware like viruses, trojans, worms, and rootkits. Viruses self-replicate and infect files, while trojans and worms do not self-replicate but can still damage files. Rootkits are used to hide other malware. Spyware/adware collects user information without consent. Cookies are small text files that store website preferences. Pell stressed the importance of using updated antivirus software, firewalls, and being cautious of downloads. Firewalls can control network access and applications without slowing performance. Unified threat management provides additional protections like blocking suspicious websites and spam.
Computer Worms
This document discusses computer worms, including how they work, types of worms, and examples of major worms. It defines worms as programs that replicate themselves across a network by exploiting security vulnerabilities. The document covers worm target discovery, propagation, activation methods, payloads, examples like Morris worm, Code Red, Nimda, SQL Slammer, and Sobig.f, as well as prevention techniques and current research focus areas.
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Discussed about computer malware and its types like virus, trojan horse, worms etc. and also discussed about antivirus and how an antivirus works. We have also discussed about types of viruses and some latest viruses like ransomware.
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This document discusses online safety, security, ethics, and etiquette when using the internet. It defines online safety, also called cyber safety or digital safety, as the practices and precautions users take when online. The document also discusses internet security, ethics, and netiquette. It provides tips for staying safe online such as using strong passwords, being wary of phishing scams, keeping security software up to date, using privacy settings, and not posting personal details. Users are advised to leave any website that makes them feel unsafe or uncomfortable.
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The document provides information on various web browsers, including their history, architecture, popular browsers, and features. It discusses early browsers from the 1990s like WorldWideWeb and Mosaic. It then covers popular modern browsers such as Firefox, Chrome, Safari, Internet Explorer and Edge. It provides details on the developers, platforms, and technologies used for each browser. It also gives brief summaries of the key features and functionality of several major browsers.
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The document discusses computer viruses including what they are, why they are created, a brief history of viruses, types of viruses, and ways to prevent virus infections. It defines a computer virus as a program designed to harm infected computers. It then covers different types like macro, memory resident, overwrite, and direct action viruses. The document also discusses virus symptoms, notable viruses from the past, and recommends only downloading files from trusted sites and using antivirus software to prevent virus infections.
Viruses and its type..
Viruses are programs that can harm computer data and performance. There are several types of viruses including time bombs, logical bombs, boot sector viruses, worms, trojan horses, macro viruses, and script viruses. Time bombs activate on a particular date while logical bombs activate based on a specific user action. Boot sector viruses infect the hard disk boot sector and may require reformatting to remove. Macro viruses infect documents and destroy hard disk data. Prevention through use of antivirus software is the best way to maintain a virus-free system.
Phishing
This document discusses phishing, including common techniques, how phishing works, reasons for its use, and the damages caused. It then covers anti-phishing methods like software, how such software monitors for suspicious behavior and checks website addresses, and examples of anti-phishing programs. The document concludes that phishing aims to steal personal data through fraudulent emails but anti-phishing techniques can help protect users.
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Malware comes in five main types: viruses, worms, Trojans, spyware, and adware. Viruses replicate and spread between computers, worms transfer without user interaction, Trojans disguise as useful programs but compromise security, spyware secretly monitors user activity, and adware displays unwanted advertisements. Additional internet threats include spam emails, phishing for personal details, botnets of compromised computers, and denial of service attacks that disrupt access to services.
Internet threats
This document defines and provides examples of different types of malware, including viruses, worms, Trojans, spyware, adware, spam, phishing, botnets, and denial of service attacks. Viruses and worms spread by replicating and transferring between computers, while Trojans disguise themselves as useful programs but allow hackers access. Spyware and adware secretly monitor users' activities or display unwanted advertisements. Spam, phishing, and botnets can be used to acquire personal information or distribute other malware. Denial of service attacks disrupt access to internet services.
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This is a powerpoint presentation that discusses about one of the applied subjects in the k-12 curriculum of the Senior High School: Empowerment Technologies. On this powerpoint presentation, it discusses about the definition of ICT and its advantages and disadvantages of it.
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This document defines and describes different types of malware like viruses, Trojan horses, spyware, adware, and worms. It explains that viruses replicate and spread by damaging files, while spyware monitors user internet activity without permission. Adware displays advertising banners and worms copy themselves across devices and networks to slow them down. The document advises on protecting devices from these malicious software programs.
Online Safety and Security
It is about the different threats that can be obtained through accessing the internet, the different government provisions and how to stay safe online.
Netiquette on using internet
This document provides a lesson on internet safety and netiquette. It outlines 5 objectives for students, which are to consider safety and reputation when sharing information online, avoid internet dangers, be responsible on social media, and browse efficiently. It then defines internet threats like malware, viruses, worms, Trojans, adware, spyware, spam, phishing and provides tips to stay safe such as being mindful of what you share, reading terms and conditions, knowing social media security features, and avoiding suspicious emails or downloads.
Computer Malware
Malware refers to unwanted software that can damage computers, including viruses, trojans, worms, spyware, and more. Viruses attach to files and programs to spread without permission and can damage systems. Trojans also spread unwittingly but allow hackers to access and control infected devices. Worms multiply to use up memory and resources. Spyware collects personal information without consent. Users can protect against malware through antivirus software, firewalls, safe computing habits like avoiding suspicious downloads and emails, and using strong passwords.
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Online safety and security
The document discusses various online security threats such as viruses, worms, Trojans, spyware, and denial of service attacks. It defines each threat and provides examples. Golden rules for staying safe online include not giving out personal information, not sending indecent photos, and telling someone if anything seen online causes worry. Understanding the differences between threats like privilege escalation, rootkits, botnets, and logic bombs is the first step to combating security risks. Maintaining up-to-date anti-virus software, patching systems, and timely updates help arm against these extensive and growing threats.
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This document discusses online safety, security, ethics, and etiquette. It provides tips for protecting personal information when online, such as not sharing full names, addresses, or birthdays. It also recommends using antivirus software, avoiding untrusted websites, and not downloading unauthorized content. Additionally, it outlines several types of internet threats like malware, spam, phishing, botnets, and denial of service attacks. The goal is to educate people on how to safely and securely use the internet.
How to stay safe online
This document discusses how to stay safe online by following 4 laws: the Data Protection Act, Computer Misuse Act, Copyright Act, and health and safety laws. It explains the importance of protecting personal data, avoiding unauthorized access to computers or altering of data, and preventing physical injury from prolonged computer use. The document provides tips for using antivirus software, not opening unknown attachments, having an ergonomic workstation, and minimizing online hours to avoid threats like viruses, hacking, theft of information, and eye or back strain.
How To Protect From Malware
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Spyware refers to programs that use your internet connection to send information from your personal computer to another computer without your knowledge or permission. This information can include browsing habits, downloads, or personal data. Spyware is often installed secretly when a user downloads other software and can slow a computer's performance. Anti-spyware software can prevent spyware installation or detect and remove any spyware already installed. Major anti-virus companies now include anti-spyware features to protect against this type of unwanted program.
What is malware
Simon Pell gave a presentation on malware threats facing small businesses. He defined different types of malware like viruses, trojans, worms, and rootkits. Viruses self-replicate and infect files, while trojans and worms do not self-replicate but can still damage files. Rootkits are used to hide other malware. Spyware/adware collects user information without consent. Cookies are small text files that store website preferences. Pell stressed the importance of using updated antivirus software, firewalls, and being cautious of downloads. Firewalls can control network access and applications without slowing performance. Unified threat management provides additional protections like blocking suspicious websites and spam.
Computer Worms
This document discusses computer worms, including how they work, types of worms, and examples of major worms. It defines worms as programs that replicate themselves across a network by exploiting security vulnerabilities. The document covers worm target discovery, propagation, activation methods, payloads, examples like Morris worm, Code Red, Nimda, SQL Slammer, and Sobig.f, as well as prevention techniques and current research focus areas.
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This document discusses online safety, security, ethics, and etiquette when using the internet. It defines online safety, also called cyber safety or digital safety, as the practices and precautions users take when online. The document also discusses internet security, ethics, and netiquette. It provides tips for staying safe online such as using strong passwords, being wary of phishing scams, keeping security software up to date, using privacy settings, and not posting personal details. Users are advised to leave any website that makes them feel unsafe or uncomfortable.
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The document provides information on various web browsers, including their history, architecture, popular browsers, and features. It discusses early browsers from the 1990s like WorldWideWeb and Mosaic. It then covers popular modern browsers such as Firefox, Chrome, Safari, Internet Explorer and Edge. It provides details on the developers, platforms, and technologies used for each browser. It also gives brief summaries of the key features and functionality of several major browsers.
Introduction to Information Communication and Technologies
This document provides an introduction to information and communication technologies (ICT). It aims to improve knowledge of how ICT affects daily life and the economy. It discusses key topics like the internet, world wide web, computers, and the evolution from Web 1.0 to Web 2.0 to Web 3.0. The Philippines is highlighted as an ICT hub in Asia, with growth in industries like BPO. Emerging technologies like social media, mobile devices, assistive media, cloud computing, and convergence are also overviewed.
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The document discusses computer viruses including what they are, why they are created, a brief history of viruses, types of viruses, and ways to prevent virus infections. It defines a computer virus as a program designed to harm infected computers. It then covers different types like macro, memory resident, overwrite, and direct action viruses. The document also discusses virus symptoms, notable viruses from the past, and recommends only downloading files from trusted sites and using antivirus software to prevent virus infections.
Viruses and its type..
Viruses are programs that can harm computer data and performance. There are several types of viruses including time bombs, logical bombs, boot sector viruses, worms, trojan horses, macro viruses, and script viruses. Time bombs activate on a particular date while logical bombs activate based on a specific user action. Boot sector viruses infect the hard disk boot sector and may require reformatting to remove. Macro viruses infect documents and destroy hard disk data. Prevention through use of antivirus software is the best way to maintain a virus-free system.
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Malware comes in five main types: viruses, worms, Trojans, spyware, and adware. Viruses replicate and spread between computers, worms transfer without user interaction, Trojans disguise as useful programs but compromise security, spyware secretly monitors user activity, and adware displays unwanted advertisements. Additional internet threats include spam emails, phishing for personal details, botnets of compromised computers, and denial of service attacks that disrupt access to services.
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This document defines and provides examples of different types of malware, including viruses, worms, Trojans, spyware, adware, spam, phishing, botnets, and denial of service attacks. Viruses and worms spread by replicating and transferring between computers, while Trojans disguise themselves as useful programs but allow hackers access. Spyware and adware secretly monitor users' activities or display unwanted advertisements. Spam, phishing, and botnets can be used to acquire personal information or distribute other malware. Denial of service attacks disrupt access to internet services.
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this ppt will help the person viewing it to Analise about the network threats their types and many more things will be available in this ppt
COMPUTER VIRUSES AND WORMS.pdf
Computer viruses and worms are malicious software programs that spread from computer to computer and interfere with operations. Viruses spread through email attachments and downloads, while worms replicate by exploiting security vulnerabilities to copy themselves to other systems on a network. Common types are executable viruses, boot sector viruses, and macro viruses like the damaging Melissa virus of 1999. Prevention methods include installing antivirus software, keeping systems updated, and using firewalls. Trojan viruses differ in that they do not self-replicate but perform unauthorized actions like deleting or blocking access to data when activated. The first major computer worm was the Morris worm of 1988, which disrupted many systems and led to the conviction of its creator.
Virus and its types 2
Computer viruses are types of malicious software that replicate by inserting copies of themselves into other programs and files. When activated, viruses infect hosts by looking for programs to insert themselves into. There are many types of viruses, including Trojan horses, spyware, boot sector viruses, time bombs, browser hijackers, file infector viruses, adware, and worms. Ransomware is a malicious program that encrypts a user's files and demands payment to decrypt them, carrying out attacks through disguised email attachments or automatically spreading worms.
viruses.pptx
Computer viruses are small programs that spread from one computer to another and interfere with operations. They can corrupt or delete data, use email to spread, or erase hard disks. Viruses often spread through email attachments from unknown senders that appear to be images, cards, or files. Keeping computers updated and using antivirus tools can help avoid viruses.
RRB JE Stage 2 Computer and Applications Questions Part 5
Computer viruses, worms, Trojan horses, spyware, and other malware can harm computer systems in various ways. Anti-virus software, firewalls, and other security measures help protect against malware threats. Digital certificates, digital signatures, strong passwords also help secure computer systems and networks from unauthorized access.
computer virus presentation
Computer viruses are programs that infect computers without the user's knowledge. Some viruses only display messages while others can severely damage computers by erasing memory. Viruses spread through email attachments, downloads, and infected programs and files. They can corrupt files, delete data, and erase hard disks. Antivirus software and practices like avoiding suspicious email attachments can help prevent virus infections.
Iss lecture 9
This document provides an overview of malicious software, intrusion detection, and firewalls. It defines malware, trojan horses, viruses, and worms. It describes how each functions and spreads. Countermeasures like antivirus software and firewalls are discussed. Intrusion detection approaches like statistical anomaly detection and rule-based detection are also summarized. Common intrusion detection systems and firewall types are briefly mentioned.
Malware PowerPoint Presentation E-tech SHS
This document defines and describes different types of malware and cyber threats. It discusses viruses, worms, Trojans, rogue security software, spyware, keyloggers, adware, phishing, and pharming. Viruses and worms can self-replicate and propagate without user permission. Trojans disguise themselves as useful programs but leave systems unprotected. Rogue security software tricks users into paying for fake protection. Spyware and keyloggers can monitor users without their knowledge. Adware displays unwanted advertisements. Phishing and pharming acquire personal information through deception.
Common malware and countermeasures
Security Awareness related to common malwares, (viruses, trojans, worms etc) the damages they cause and basic countermeasures one can adopt to protect against them.
Computer viruses
Computer viruses can damage systems in several ways, both intentionally and unintentionally. Intentionally, viruses may delete or modify files, grant hackers unauthorized access through backdoors, or disclose confidential data. Unintentionally, viruses can cause compatibility issues, consume computer resources, and increase the workload of IT support staff through infections. There are many types of viruses including boot sector viruses, web scripting viruses, browser hijackers, resident viruses, polymorphic viruses, worms, Trojans, rootkits, and ransomware. Ransomware encrypts users' files and demands payment for decryption, while recent attacks like WannaCry have impacted hundreds of thousands of systems globally.
SECURITY THREATS AND SAFETY MEASURES
This document discusses various types of cyber threats including viruses, worms, Trojan horses, spyware, malware, spam, and hackers/crackers. It defines each threat and provides examples. Viruses are programs that insert copies of themselves into other files or programs to spread. Worms replicate themselves across networks to spread. Trojan horses disguise themselves as useful programs but introduce viruses. Spyware monitors users' online activity without consent. Malware is any unwanted software intended to cause harm. Spam is unsolicited bulk email used for deception. Hackers and crackers aim to gain unauthorized access to systems for malicious purposes like theft. Antivirus tools can help protect against these cyber threats.
Malware program by mohsin ali dahar khairpur
This document provides information on different types of malware including spyware, worms, adware, and trojans. For each type, examples are given such as CoolWebSearch and Zango for spyware, the Morris Worm and Nimda for worms. Adware examples include A Perfect eDeskAd. For trojans, examples of trojan spy programs and the Shedun Android malware are described. Protection methods are also outlined such as keeping systems updated, using firewalls and antivirus software, and educating users.
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RRB JE Stage 2 Computer and Applications Questions Part 5
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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Internet threats
- 2. 1. MALWARE stands for malicious software.
- 3. 5 TYPES OF MALWARE a. VIRUS- a malicious program designed to replicate itself and transfer from one computer to another ( internet, local networks, FDs, CDs, etc.)
- 4. 5 TYPES OF MALWARE b. WORM- a malicious program that transfer from one computer to another by any types of means. Ex. ILOVEYOU Worm
- 5. 5 TYPES OF MALWARE c. TROJAN- a malicious program that disguises as a useful program but once downloaded or installed, leaves your PC unprotected and allows hackers to get your information.
- 6. 5 TYPES OF MALWARE d. SPYWARE- a program that runs in the background without you knowing it ( thus called “spy”). It has the ability to monitor what you are currently doing and typing through key logging.
- 7. 5 TYPES OF MALWARE e. ADWARE- a program designed to send you advertisements, mostly as pop-ups.
- 8. 2. SPAM an unwanted email mostly from bots or advertisers. It can be use to send malware.
- 9. 3. PHISHING an unwanted acquisition of sensitive personal information like passwords and credit card details.
- 10. 4. BOTNET group of compromise computer connected to a network (“zombie”).
- 11. 5. DENIAL OF SERVICE ATTACK disrupts computer access to internet service.
- 12. 5 TYPES OF MALWARE d. SPYWARE- a program that runs in the background without you knowing it ( thus called “spy”). It has the ability to monitor what you are currently doing and typing through key logging.
- 13. Presented by: Maninang, Cathy M. Castillo, Anna Marie Q. Dela Cruz, Gicel F. Galang, Angelu M.