This document lists the group members for a project on security and then provides information on various topics related to security including: definitions of security, computer security, and information security; risks and threats such as fraud, denial of service attacks, malicious software, and computer criminals; and technical countermeasures like firewalls, encryption, and VPNs. It also discusses the CIA triad of security and the five pillars of security.

2. Group Members :
 Sebina Sebastian (P-40)
 Ashish Mathew (P-07)
 Tushar Pahurkar (P-48)
 Samiksha Thanekar (P-37)
 Ishan Mahadik (P-11)

3. What is Security?
Is the protection of assets. The three main aspects are:
•
Prevention
•
Detection
•
Re-action

4. Computer Security:
It deals with the prevention and detection of
unauthorised actions by users of a computer
system.

5. Information Security
 It is more than just protecting hardware and
software from being crashed
 It’s about protecting the information
resources that keep the company operating
 Goals are to ensure:
 Data integrity, availability and
confidentiality
 Business continuity

6. Risk

7. Risks and Threats
 Fraud
o Computer manipulation
o Damage or modification of computer data
 Service interruptions and
delays
 Intrusions
 Information manipulation

8. Risks and Threats
 Denial of service attacks
o Flood attack
o Ping attack
o SYN attack
o Teardrop attack
o Smurf attack
 Error
 Information theft

9. Risks and Threats
• Malicious software
o Trojan horse
o Worms
o Boot sector virus
• Web site defacements

10. Risks and Threats
 Extortion
 Sniffing

11. Risks and Threats
 Spoofing

12. Risks and Threats
 Con artists
 Phishing or Fishing

13. COMPUTER CRIMINALS
 Hacker
 Script kiddies
 Cyber-criminals
 Organized crime

14. COMPUTER CRIMINALS
 Terrorists
 Insiders

15. CIA triad

16.  Internal Controls
 Physical

Technical

Administrative

17. Technical Countermeasures
 Firewalls:

18.  Encryption/decryption

19. •
Virtual Private Networks (VPNs)

20. • Backup

21. Security’s Five Pillars
Non-repudiation
Integrity
Privacy
Identification
Authentication`

22.  Authentication
 Identification
 Privacy

23.  Integrity
 Non-repudiation

24. Conclusion