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Security Chapter 6.1 9.1 The security environment 9.2 Basics of cryptography 9.3 User authentication 9.4 Attacks from inside the system 9.5 Attacks from outside the system 9.6 Protection mechanisms 9.7 Trusted systems
The Security Environment Threats ,[object Object]
Intruders ,[object Object],[object Object],[object Object],[object Object],[object Object]
Accidental Data Loss ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Basics of Cryptography ,[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],Secret-Key Cryptography
Public-Key Cryptography ,[object Object],[object Object],[object Object],[object Object],[object Object]
One-Way Functions ,[object Object],[object Object],[object Object],[object Object]
Digital Signatures ,[object Object],[object Object],(b)
User Authentication ,[object Object],[object Object],[object Object],[object Object],[object Object]
Authentication Using Passwords ,[object Object],[object Object],[object Object]
Authentication Using Passwords ,[object Object],[object Object]
Authentication Using Passwords ,[object Object],[object Object],Salt Password , , , ,
Authentication Using a Physical Object ,[object Object],[object Object],[object Object]
Authentication Using Biometrics ,[object Object]
Countermeasures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Operating System Security Trojan Horses ,[object Object],[object Object],[object Object],[object Object]
Login Spoofing ,[object Object],[object Object]
Logic Bombs ,[object Object],[object Object],[object Object],[object Object]
Trap Doors ,[object Object],[object Object]
Buffer Overflow ,[object Object],[object Object],[object Object]
Generic Security Attacks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Famous Security Flaws ,[object Object],(a) (b) (c)
Design Principles for Security ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],And … keep it simple
Network Security ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Virus Damage Scenarios ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How Viruses Work (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How Viruses Work (2) ,[object Object],[object Object],[object Object]
How Viruses Work (3) ,[object Object],[object Object],[object Object],[object Object]
How Viruses Work (4) ,[object Object],[object Object],[object Object]
How Viruses Spread ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Antivirus and Anti-Antivirus Techniques ,[object Object],[object Object],[object Object],[object Object],[object Object]
Antivirus and Anti-Antivirus Techniques ,[object Object],[object Object]
Antivirus and Anti-Antivirus Techniques ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Internet Worm ,[object Object],[object Object],[object Object],[object Object],[object Object]
Mobile Code (1) Sandboxing ,[object Object],[object Object]
Mobile Code (2) ,[object Object]
Mobile Code (3) ,[object Object]
Java Security (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Java Security (2) ,[object Object]
Protection Mechanisms Protection Domains (1) ,[object Object]
Protection Domains (2) ,[object Object]
Protection Domains (3) ,[object Object]
Access Control Lists (1) ,[object Object]
Access Control Lists (2) ,[object Object]
Capabilities (1) ,[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Capabilities (2) f(Objects, Rights, Check) Rights Object Server
Trusted Systems Trusted Computing Base ,[object Object]
Formal Models of Secure Systems ,[object Object],[object Object]
Multilevel Security (1) ,[object Object]
Multilevel Security (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Orange Book Security (1) ,[object Object],[object Object]
Orange Book Security (2)
Covert Channels (1) Client, server and collaborator processes Encapsulated server can still leak to collaborator via covert channels
Covert Channels (2) ,[object Object]
Covert Channels (3) ,[object Object],[object Object],[object Object],Zebras Hamlet, Macbeth, Julius Caesar Merchant of Venice, King Lear

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Op Sy 03 Ch 61

  • 1. Security Chapter 6.1 9.1 The security environment 9.2 Basics of cryptography 9.3 User authentication 9.4 Attacks from inside the system 9.5 Attacks from outside the system 9.6 Protection mechanisms 9.7 Trusted systems
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
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  • 54. Covert Channels (1) Client, server and collaborator processes Encapsulated server can still leak to collaborator via covert channels
  • 55.
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