ip spoofing by Ipshita Nandy
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IP spoofing involves modifying source IP addresses on IP packets to gain unauthorized access to machines. It is commonly used in denial of service (DoS) and distributed denial of service (DDoS) attacks to overwhelm servers and crash networks by sending a flood of packets without being detected, as the true origin cannot be identified due to the spoofed IP address. While spoofing poses real risks, defenses include packet filtering, firewalls, and cryptographic protocols.
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This document summarizes recent security news including vulnerabilities in Internet Explorer and a veterans website, a new "Bar-Mitzvah" attack against the RC4 encryption algorithm, and recommendations for protecting against the RC4 vulnerability. Specifically, it reports that hackers are targeting the US military with a zero-day IE exploit installed on a veterans site, describes how the RC4 attack works without man-in-the-middle techniques, and advises disabling RC4 in web applications, browsers, and TLS configurations.
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342_IP_Spoofing.pptx
This document discusses IP spoofing, which involves disguising the true source of network traffic by altering the source IP address of a packet. This technique can be used to launch denial-of-service attacks, man-in-the-middle attacks, and session hijacking attacks. There are different types of IP spoofing, including IP spoofing itself where an attacker uses another computer's IP address, email spoofing where an attacker makes an email appear to come from someone else, and web spoofing where an attacker tricks a browser. The document then discusses how IP spoofing works by changing IP addresses to make the sender appear reliable, and provides tips for detecting spoofing through network monitoring and packet filtering, as well as preventing it using spam filters, authentication, and
Hacking by Pratyush Gupta
Hacking is a term used to refer to activities aimed at exploiting security flaws to obtain critical information for gaining access to secured networks.
Network Security
The document discusses various security threats and countermeasures. It defines security as minimizing risk and removing dangers. It then covers common network security attacks like spoofing, sniffing, hijacking, trojans, DoS/DDoS attacks, and social engineering. For each threat, it provides examples, overview, and potential countermeasures to secure networks and information from unauthorized access. The conclusion emphasizes the importance of staying updated on security best practices to patch vulnerabilities.
Workshop on Cyber security
Introduction:
In the fast-evolving digital age of the 21st century, cybersecurity has emerged as a paramount concern for governments, businesses, and individuals. The Workshop on Cybersecurity is a comprehensive and immersive event designed to address the challenges posed by cyber threats and equip participants with the knowledge and tools to safeguard their digital assets. This workshop, to be held over five days, seeks to empower attendees with the latest insights and practices in cyber defense, fostering a culture of resilience and proactive security measures.
Day 1: Understanding the Cyber Landscape
The workshop commences with a deep dive into the complex cyber landscape that defines modern society. Distinguished experts from the cybersecurity field will present an overview of the ever-changing cyber ecosystem, highlighting its interconnectedness and vulnerabilities. Participants will gain valuable insights into the roles of governments, corporations, and individuals in shaping the cyber landscape.
Key topics covered will include the global impact of cyberattacks, the importance of international collaboration in countering cyber threats, and the significance of public-private partnerships. This foundational knowledge will serve as the basis for the subsequent discussions on cyber defense strategies.
Day 2: Unraveling Cyber Threats and Attack Vectors
Day two focuses on understanding the multitude of cyber threats and attack vectors that can target individuals and organizations. Renowned cybersecurity researchers will present real-life case studies of recent cyber incidents, ranging from nation-state-sponsored attacks to financially motivated hacking campaigns. Participants will gain a comprehensive understanding of the tactics employed by threat actors and the motivations behind their actions.
Through interactive sessions, attendees will be immersed in simulated cyber-attack scenarios, enabling them to identify and mitigate potential threats effectively. The day will emphasize the need for a proactive and adaptive approach to cybersecurity, as well as the importance of threat intelligence sharing to bolster collective defense capabilities.
Day 3: Building Robust Cyber Defense Strategies
Day three delves into the development and implementation of robust cyber defense strategies. Experts in the field will introduce participants to cutting-edge tools and technologies that can effectively detect, prevent, and respond to cyber threats. Topics covered will include advanced threat hunting techniques, next-generation firewalls, intrusion detection systems, and incident response best practices.
Participants will engage in practical workshops, enabling them to apply the newly acquired knowledge and skills to real-world scenarios. Emphasis will be placed on the importance of continuous monitoring, vulnerability management, and the establishment of an agile security infrastructure capable of adapting to emerging
Ethical hacking
The document discusses ethical hacking. It defines ethical hackers as those who test systems and networks for vulnerabilities with authorization from the client. Ethical hackers follow guidelines such as maintaining confidentiality and not damaging systems. The document outlines the phases of hacking including reconnaissance, scanning, gaining access, and covering tracks. It emphasizes that ethical hacking is important for improving security when done properly.
How to hack or what is ethical hacking
This document discusses ethical hacking. It begins by defining hacking and distinguishing between black hat, white hat, and grey hat hackers. White hat hackers, also known as ethical hackers, hack systems with permission to identify vulnerabilities. The document outlines the different phases of ethical hacking including footprinting, scanning, enumeration, gaining access, and maintaining access. It provides examples of tools used in each phase and types of attacks like social engineering and SQL injection. The document emphasizes that for hacking to be ethical, hackers must have permission and respect privacy. It concludes by discussing how organizations can prevent hacking by closing vulnerabilities identified through ethical hacking activities.
Introduction To Information Security
The document provides an overview of information security concepts and threats. It discusses how security is difficult to implement due to costs, user resistance, and sophisticated criminals. The document then outlines various hacking techniques like information gathering, social engineering, sniffing, and denial of service attacks. It concludes by describing defensive security measures for organizations, including firewalls, intrusion detection, honeypots, antivirus software, user awareness training, and penetration testing.
Ethical Hacking
1. The document discusses the topic of ethical hacking and defines it as "methodology adopted by ethical hackers to discover the vulnerabilities existing in information systems’ operating environments."
2. Ethical hackers are independent computer security professionals who break into computer systems to evaluate security without damaging systems or stealing information.
3. The document outlines different types of attacks ethical hackers may perform such as insider attacks, outsider attacks, and social engineering attacks to evaluate a target system's security and vulnerabilities.
hacking
The document discusses the topic of ethical hacking. It begins with definitions of hacking and provides a brief history, noting key events from the 1980s to the 2000s. Statistics on hacking activities are presented, such as the frequency of hack attacks. The role of security professionals and some certification programs are covered. Basic hacking skills and preparation are outlined. Laws regarding hacking and what can be done legally are addressed. Different types of attacks like denial of service and IP spoofing are defined. Finally, some famous hackers from history are listed.
Cyper security & Ethical hacking
In my college i will created this presentation for seminar with my own interest so this will help you for your career.Please you also create any presentation and upload it,Thank you.
Ehical Hacking: Unit no. 1 Information and Network Security
T.Y.B.Sc. (Computer Science)
Ethical Hacking
Unit 1
Introduction to information security
Types of malware
Cyber Security Fundamentals
This document discusses cyber security fundamentals and social engineering. It covers the need for security due to increasing technology use and cyber criminals. It defines hacking and different types of hackers like white hat, black hat, and grey hat hackers. The document also discusses networking fundamentals like IP addresses, types of IP addresses, and Trojans. It defines viruses, worms, direct connection Trojans, and reverse connection Trojans. Finally, it introduces social engineering as the use of deception to manipulate individuals into revealing private information, and discusses techniques and the human element as the weakest link in security.
Computer hacking
You all can infer what would be in the PPT from the title itself. In this PPT it is not told directly how to hack. Just a brief info of hacking and cyber security is given. How can one save himself/herself from becoming a victim of cybercrime? How to hack is given in my next PPT?
Cyber Crime And Security
Short Presentation On Cyber Crime And Security which includes Cyber crime introduction and types , Hacking and its types, different Threats , and in last Prevention for Hacks and Threats.
Information Security Fundamentals - New Horizons Bulgaria
Format: Seminar
Date: 2011-06-21
Instructor: Darin Yonchev, CEH, CHFI, MCSE + Security, CompTIA Security+, MCT, MCITP, MCTS, MCDST
Ethical hacking is a based on computer hacking
This document discusses ethical hacking and network security. It begins by defining hacking and providing a brief history of hacking from the 1980s to the 2000s. It then lists some famous hackers and describes basic hacking skills like programming and using Linux. The document outlines common hacking methods like finding target IP addresses through chat programs. It discusses various types of attacks like denial of service attacks and trojans. Finally, it lists modes of ethical hacking and topics covered by the Ec-Council on the subject.
Similar to ip spoofing by Ipshita Nandy (20)
Ehical Hacking: Unit no. 1 Information and Network Security
Ehical Hacking: Unit no. 1 Information and Network Security
Information Security Fundamentals - New Horizons Bulgaria
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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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ip spoofing by Ipshita Nandy
- 1. IP SPOOFING By IPSHITA NANDY CSE,3RD YR, SEC-Y,234
- 2. Term IP Spoofing Indicates..? ⚫ Spoofing = Hocks / Tricks/Hiding ⚫ IP Spoofing = Hiding of Internet Protocol .
- 3. What is IP Spoofing..? ⚫ A Technique, used to gain Unauthorized access to Machines. ⚫ It involves the creation of IP packets which have a modified source address. ⚫ IP Spoofing is also called IP Address Forgery or Host File Hijack.
- 4. Why IP Spoofing is used..? ⚫ This eliminates the need for the hacker to provide a username and password to log onto the network. ⚫ These are attacks that relate massive amounts of information being sent to computers over a network in an attempt to crash the full network. ⚫ The hacker does not get caught because the origin of the messages cannot be determined due to the bogus IP address.
- 5. How…?
- 6. Different Types of IP Spoofing… ⚫Denial of Service Attack(DOS attacks) ⚫Distributed Denial of Service(DDOS attacks) ⚫Man in the Middle Attack ⚫Non-Blind Spoofing ⚫Blind Spoofing
- 7. Denial-of-service(DOS) Attacks… ⚫ IP Spoofing is always used in DOS attacks. ⚫ DOS Attack is characterized by using a single computer to launch the attack ⚫ DOS attacks typically function by flooding a targeted machine with requests until normal traffic is unable to be processed, resulting in denial-of-service to addition users. Types of DOS Attacks: >> Buffer overflow >>Flood attacks
- 8. Distributed Denial-of-Service (DDoS) Attack… ⚫ DDOS attack is a brute-force attempt to slow down or completely crash a server ⚫ cut off users from a network resource by overwhelming it with requests for service by using bot to carry out tasks simultaneously Types of DDoS attacks🡪 1.volume based 2. Protocol based 3.application layer based
- 9. Man-in-the-Middle Attack… ⚫ These type is also called as connection hijacking ⚫ In this attack ,a malicious party intercepts a legitimate communication between two hosts to controls the flow of communication and to eliminate of ter the info sent by one of the original participants without their knowledge ⚫ In this way, an attacker can fool a victim into disclosing confidential information by “spoofing” the Identity of the original sender.
- 10. Botnet…? Robot + Network = Botnet • Basically special types of Trojan Viruses/Malware created by Bot Master(Criminal) • Used to breach the security of several user’s Computers • After infecting the target, starts sending flood of request to that network completely shutdown the network
- 11. Anti Spoofing….? There have some common tools available by which Spoofing can be reduced🡪 ⚫Packet Filtering ⚫Avoid Trust Relationships ⚫Use Spoofing Detection Software ⚫Use Cryptographic Network Protocols ⚫Use Firewall Protection
- 12. Advantages/Disadvantages… ⚫Advantages: ⚫ Ethical Hacking ⚫ Easy to Implement ⚫ Seamless Mobility ⚫ No need to change MAC or IP Address ⚫Disadvantages: ⚫ Ethernet does not scale ⚫ Long Path, State per MAC Address ⚫ Packets Flooding
- 13. Is IP Spoofing a Real Risk…? ⚫ The April 1989 article entitled: “Security Problems in the TCP/IP Protocol Suite” by S.M Bellovin indentified that IP Spoofing is really a risk to computer networks. ⚫ New Internet research shows 30,000 Spoofing Attacks/day ⚫ The Statistics of IP Spoofing is increased exponentially day by day.
- 14. Conclusion… ⚫IP Spoofing is an old Hacker Trick that continues to evolve. ⚫Will continue to represent a threat as long as each layer continues to trust each other.