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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)
Dubbing was coined as a term of copying media in the 1980's for all mediums. What term was a major issue during the process of continously dubbing media? Digitization cured this issue.
Analyze specific potential malicious attacks and / or threats that could be carried out against the network and organization and explain in detail the potential impact of the three selected malicious attacks
Compare and contrast access control models. Select an access control model that best prevents unauthorized access for each of the five scenarios given below
Why would a variation of RSA encryption/decryption where a single prime number is used the modolus insecure? How can someone recover a message x from the encrypted value.
For each of the three (3) or more malicious attacks and / or threats that you identified in Assignment 1, choose a strategy for addressing the associated risk (i.e., risk mitigation, risk assignment, risk acceptance, or risk avoidance). Explain your ..
Think about two substitution ciphers. One adds a value of i to the ASCII code of the plain text character. The other adds a price of j to the plaintext character. All additions are modulo 256.
How should government justify telling private industry how to set up or improve their cybersecurity?
Locard's Exchange Principle, electronic crime scene, modules or DLLs a process, router forensics, Configuration and user, Local logs process and memory, Network Information, File system, Portray the NTP vulnerability of some Cisco IOS routers
Using Network Security Certification and Accreditation for commercial systems. Do you think a formal process like Certification & Accreditation is appropriate to use for commercial systems in private industry (Why or Why Not)?
Total Cost of Ownership Return on Investment. Explain each of these approaches, state your preference, and analyze the advantages and disadvantages of each with a focus on IT investments.
Decrypt the cipher-text c = 12 by using secret key sk = (p, q) = (11, 13), where te corresponding public key is pk = (N, e) = (143, 13).
Students would enter the room, pick up their jobs, and leave. What kinds of security problems might computer services encounter with a system such as this?
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