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Security infrastructure and protocols a) PKI and PGP are two methods for generating and managing public keys for use in protocols such as secure email. Compare and contrast the trust models for public keys used in PKI and PGP, and assess the statement that a PKI is a "top-down" approach to trust and PGP is a "bottom-up" approach to trust.
b) The SSL protocol uses (X.509) certificates to create a secure session between a server and a client in a web session. Discuss the browser-based trust model assumed in SSL, and compare it with the trust model used in Kerberos. Kerberos is designed to operate is a relatively small domain, such as a single company. Discuss the practical issues around extending the Kerberos trust model to a global scale, say to provide secure services between Amazon and its customer base.
c) Both IPsec and SSL provide encrypted network communication, but at different layers in the Internet protocol stack, and for different purposes. Compare and contrast these two protocols, and describe the secure communication scenarios they are best suited to address.
What wireless security type does CQUniversity implement to enable roaming? Explain how this wireless security type work and what encryption mechanism is used in the CQURoam? Explain how this mechanism works
Complete a research essay about information security. The research provides you with the opportunity to complete research and demonstrate knowledge of information security from a theoretical perspective
small package routing is more efficient in IPV6 than in IPV4, increase the hacking factor, network security model (NSM), ACL, VLAN, war dialing
Servers, administrative and support users 2 subnets with 50 hosts for faculty & student labs 10 or more WAN links for point-to-point home office address. Design the subnet?
The basic tool for observing the messages exchanged between executing protocol entities is called a packet sniffer. As the name suggests, a packet sniffer captures ("sniffs") messages being sent/received from/by your computer
A report on Tools to enhance Password Protection.
Analyse the article/case study from the perspective of at least two different classical ethical theories and present well reasoned arguments for your assessments and recommendations.
You were given the following plaintext and cipertext, and you are needed to find key used by them. plaintext: Using Vigene table, find key used by them to encrypt the message.
Find another key that also has this property, and explain the structure of the DES key schedule that permit such keys to exist.
Phising email It is multipart, what are the two parts? The HTML part, is it inviting the recepient to click somewhere? What is the email proporting to do when the link is clicked?
How would you define a secure system in the BLP model - A Security Policy is a statement that partitions the states of the system into a set of authorized, or secure, states and a set of unauthorized, or non-secure, states.
Compare U.S. and E.U. policies and underlying philosophies of privacy. Include references to monitoring and privacy in the workplace, surveillance, and disclosure/data privacy. In your estimation, could self-regulation be effective or does it need to..
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