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Security & Reliability

Security & Reliability. What is security?. Security protection of a person, building, organization or country against threats such as crime or attacks by foreign countries [ from cambridge international dic .] Security in CSE field?. What are threats?. System Hacking Scanning

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Security & Reliability

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  1. Security & Reliability

  2. What is security? • Security • protection of a person, building, organization or country against threats such as crime or attacks by foreign countries [ from cambridge international dic.] • Security in CSE field?

  3. What are threats? • System Hacking • Scanning • Gaining access • Escalating privilege • Pilfering • Covering tracks • Creating back doors • Denial of service • Password Cracking • Network Hacking • Spoofing • Session hijacking • Sniffing • Man-in-the-Middle • Exploring back doors • Scanning through firewalls • Denial of service

  4. What are threats? • Threats • Erase hard disk completely • Store illegal or espionage material • Access confidential information • Broadcast your confidential letters or materials • Upload kitty porn and then call local authorities • Send nasty material to other people. • Threaten someone from YOUR computer • In short, make your life a living hell

  5. Example

  6. Anti-Hacking Techniques & Tools • Tips to Protect Yourself • Use difficult-to-guess passwds, community names • Limit FTP usage • Log everything • Have backups • Don't put data where unnecessary • Stay current with patches • Use a secure module (cryptography)

  7. Anti-Hacking Techniques & Tools • Tools to defend against hackers • Firewalls • Application Gateways, • Packet Filtering • Hybrid Systems • Intrusion Detection Systems • Patches for known vulnerabilities

  8. Schedule • How to use security tools( 2nd day ) • Packet sniffer • Intrusion Detection System (snort) • Firewall • Cryptography( 3rd day )

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