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1) An increasingly common mechanism is to ask for several pieces of security information rather than one. A call center might ask not just for your mother's maiden name, a password, and the amount of your last purchase, but also your dog's nickname and your favorite color. Such schemes need careful evaluation of their usability and effectiveness using the tools of applied psychology. Design such a password protocol and evaluate its usability and effectiveness. (A verbal text description is enough.) (500 words)
2) Analyze one of the commonly used password management protocol (e.g., Microsoft Outlook password management), what is the weakness of this protocol? (300 words)
3) Design an algorithm to achieve the Byzantine Agreement for the case that there are four processes, amongst which one is corrupted. You should not use public key cryptography for your algorithm (200 words)
Risk Management, IT Related Risks, Radio Frequency Identification (RFID), Easy listing of special programs, Social Engineering
How many bits is the encrypted message - find the corresponding code for the first letter of your first name, add 1 to the left position of the most significant bit
What are the many groups of people who are involved with computer security? Name the groups and elaborate on their functions.
If Bob receives M and S, describe process Bob will use to verify signature. Illustrate that in this case signature verification will succeed.
single access point (AP), wireless network, CSMA/CA, goals of information security, Wireless LANs, wireless hacking process, Wired Equivalent Privacy (WEP), Open System Authentication and Shared Key Authentication, Initialisation Vector (IV), RADIU..
An earlier version of WTLS supported a 40-bit XOR MAC and also supported RC4 stream encryption. Show that this scheme doesn't give message integrity protection.
Why is it reasonable to use a balanced scorecard system to measure staff performance? How does this approach mitigate concerns about measurement dysfunction?
Assume that evil Charlie eavesdropped on Bob's message to server. How can he with the help of his equally evil buddy Don, extract key K that Alice and Bob are using to protect their communications?
Please provide an example of a event where consistency has caused too many problems? Is there a program you have used in your own work environment where consistency has caused problems?
Write a 1-2 page document that describes the options for improving the FTP environment described. Make a recommendation for a single solution for the FTP environment.
You have secretly picked the value SA = 17. You begin the session by sending Bob your calculated value of TA. Bob responds by sending you the value TB = 291. What is the value of your shared secret key?
Denial of Service attack (DoS) and Distributed Denial of service (DDoS) attack, two-factor authentication system, password ageing, biometric devic, cryptographic attack made Double DES (2DES), Demilitarized Zone (DMZ), SSL protocols
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