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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)
Why is one-time password system considered more secure than the basic authentication system? Give at least two reasons.
Analyse security procedures
Cracking Passwords with Salt on Linux. Recently, an associate of yours got access to an Ubuntu Linux server. You suspect users of this system (UST students) have a strong tendency to use the same passwords for everything (including their online..
Conduct a comprehensive study about web-based email implementation in gmail. Optionally, you may use sniffer like wireshark or your choice to analyze the communication traffic.
Research three recent information security breaches. Do the main targets seem to be larger or smaller companies? Is there a particular industry that seems predominately targeted?
Identify the Critical Business Functions (CBFs) a midsized organization would need to restore after a catastrophic failure occurs, and suggest the ways the organization would determine the order in which it restores its CBFs.
Storage Area Networks (SAN) and Network Attached Storage (NAS) each give high capacity file storage. For the following list, indicate whether the list item is more characteristic of a SAN or a NAS configuration.
Describe how an organization determines the level of necessary controls to mitigate the risks while considering the value of its assets.
honeypot or a firewall, error handling, Denial-Of-Service, Public Key Infrastructure, WLAN Administrator, WEP Protocol, RSA Algorithm, Network Engineer
Decrypt to recover the plaintext. What is the decryption function, and the recovered plaintext? What type of cipher is this?
Rrules and regulations you have been provided with in your institution.does your school have a similar policy?does it contain all the elements listed in the text?
Search a number of antivirus companies websites and find at least four sites that offer malware listings and compare their latest malware lists
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