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Exam 2

Date: Tues Dec 8th

Location: In Class

Closed book, No notes

Study the lecture slides available on the web site, and other readings

Secure email (example of how we combine symmetric and asymmetric encryption to send an encrypted message)

TLS Handshake

Review Exam 1 problems

Multi-Factor Authentication

Attacks against, and countermeasures for programs that hold passwords

Buffer Overflow Attacks

• Stack Smashing Attack
• Canaries
• What is a NOP sled? Why/How is it used?
• Defenses

Binary extraction attacks and the use of a debugger.

Integer Manipulation Vulnerabilities

• Study examples from MS bulletin

Passwords

• Online vs. Offline attacks
• How to calculate the cost of an off-line attack
• Unix password files - how do they work?
• Lamport's Hash - how does it work? how to attack it?

Ken Thompson compiler hack - how it works

Principle of Least Privilege

Defense in Depth

Remaining topics are for final exam

Social Engineering

• What is it?
• How to defend against it?

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