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Consider how a system with capabilities as its access control mechanism could deal with Trojan Horses.
A) In general, do capabilities offer more or less protection against Trojan horses than do access control lists? Justify your answer in light of the theoretical equivalence of ACLs and C-Lists
B) Consider now the inheritance of properties of new processes. If the creator controls which capabilities the created process is given initially, how could the creator limit a damage that a Trojan Horse will do?
C) Can capabilities protect against all Trojan Horses? Either show that they can or describe a Trojan horse process that can C-Lists cannot protect against.
Why is one-time password system considered more secure than the basic authentication system? Give at least two reasons.
Your experiences with the social networking sites like Craig list etc etc and Why do you think social networking sites are so popular? In other words, what is their stickiness?
Computer Security is very important for organizations and if not impliedproperly it may have a very big impact on its overall working system.
Suppose that Eve runs a key server. Alice downloads a key from the key server which Eve claims is Bob's public key. Bob downloads a key from the key server which Eve claims is Alice's public key.
Develop a one-page poster in Word or PowerPoint for a public service campaign to educate people about intellectual property rights of cyberspace for some aspect in your readings from this week.
What do you believe to be the primary challenges that law enforcement agencies must face in investigating cyber exploitation and cyber crime? What efforts must be made to help overcome these challenges?
Identify and describe the organizational authentication technology and network security issues
A 1,048,576-bit message is used to generate 10-bit hash. One average, how many other messages could be expected to generate same hash value?
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.
Describe why you recommend it is so important to secure your Windows and Unix/Linux servers from known shortcomings/vulnerabilities.
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)?
Identify the primary benefits of BYOD in organizations, and determine the key ways in which its concepts can enhance an end user's overall working experience.
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