Pranavi verma-cyber-security-ppt
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This document discusses various techniques used in cyber security, including malware protection programs, internet gateways and firewalls, secure configurations, patch management, and user access control. It also describes common types of malicious attacks like spyware and viruses, as well as password attacks. Cyber security aims to analyze attack codes, block malicious software from entering secure networks, limit user privileges, and keep software updated to prevent infections. The document also briefly outlines types of cyber attacks like cyber war and cybercrime, as well as cyber threats from criminals, spies, and terrorists. Finally, it mentions that cyber security projects use the "9D's concept" to avoid distributed denial of service attacks, which involves deterring, detecting, driving up difficulty, and
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The document provides an overview of network security concepts. It begins by defining various types of malware like viruses, worms, spyware, ransomware, and trojans. It then discusses security policies, information security, aspects of information security including threats and vulnerabilities. It defines network security and its goals of confidentiality, integrity and availability. It describes aspects of network security including privacy, message integrity, authentication and non-repudiation. It then discusses cyber security and its main categories. It defines the different levels of impact from security breaches and types of attacks like passive, active, interruption, fabrication and modification. Finally, it provides an overview of networking devices and protocols at different layers of the OSI model as well as firewall
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Cybercrime and cyber security discusses various types of cybercrimes such as hacking, email bombing, cyberstalking, and phishing. It also outlines precautions that can be taken like using antivirus software, firewalls, strong passwords, and keeping systems updated. Cyber security techniques are important to protect computers, networks, and data from malicious cyber attacks through tools like antivirus, firewalls, encryption, and data backups. Cybercrime rates are increasing globally with billions lost each year emphasizing the need for improved cyber security measures.
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- 7. Malware protection: To analyze attack codes malware protection program is established. Internet gateway and firewalls: It watch out all the network entrance. All the malicious software trying to enter to secure network are drained to block and detect the malware activities web filtering, firewall policies and content checking are used. Secure configuration: Hardware devices, operating system are designed with low security Patch management: In software program it is the latest version to prevent infected software programs. User access control: Normal user’s privileges are limited by providing access control policy. Techniques used in Cyber security
- 8. Malicious attacks: This is used by cyber criminals to delete, modify and alter a secure data which is known as malwares. E.g. of malwares are: Spyware: Overall computer control are taken down in which personal information are collected without users knowledge. Viruses: Files or computer information are corrupted or modified. By a single software program the virus enter to the system. From one computer to the other the virus spread by attacking the files in the computer. Password attacks: On cracking user’s password the attacks are focused. By following alphanumeric procedure the user must protect the password.
- 9. APPLICATIONS OF CYBER SECURITY PROJECT CYBER SECURITY
- 10. Types of cyber Attack • Cyber war: Cyber wars are carried out by nation for the purpose of disturbing and hacking data’s of neighbouring countries. Advanced persistent threats are used for extracting the countries data. • Cybercrime: Group of members or individuals are attempt cyber crime with an attitude to extract money. In place of credit & debit card hacking or the crack online password cyber crime occurs. • Cyber threats: For illegal activities criminals, spies and terrorists use cyber based technology as to manipulate the data, to deny the distributed services or attack a systems security.
- 11. 9 D’s Concepts in Cyber Security • Cyber security projects use 9D’s concept to avoid DDoS attack problems. 9D’s are • Deter attacks, • Detect attacks, • Drive up difficulty, • Differentiate protections, • Dig beneath the threat, • Diffuse protection throughout the payload, • Distract with decoys, • Divert attackers to other targets, • Depth of defence.