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Transposition cipher:-
Consider a transposition cipher that uses a five by five matrix and permutes the columns before reading them out.
(a) How many keys are possible in such a cipher?
(b) Decrypt the following.
Identify the benefits of using penetration testing and vulnerability assessments relative to threats. Explanation about penetration testing and vulnerability assessments regarding how they differ.
Deliver a research paper and presentation based on your research - Future threats to network security and planning for those threats
Discuss the presearch activities that need to be addressed during a computer investigation. Briefly summarize each step. Describe the equipment present in a forensic toolkit.
Discuss some of the problems NATs create for IPsec security. (See [Phifer 2000]). Can we solve these problems by using IPv6? Why deployment of IPv6 has been slow to date. What is needed to accelerate its deployment?
Write a program that can encode and decode Caesar ciphers. The input to the program will be a string of plaintext and the value of the key.
This assessment task is based on the following topics discussed in the subject: the overview of Information security fundamentals, security threats, cryptography, malicious software and its countermeasures, operating system security and software ..
Determine the primary security concerns regarding the scenario in question. Explain the controls you would implement in order to lessen those concerns.
Specify the commands that you would use to set up the routers to use EIGRP. Outline the requirements to set up a VLAN and VPN access for the accountants. Specify the VLAN assignment, and incorporate a Spanning Tree protocol into your design to elimin..
Explain the use of File Transfer Protocol
Who was the victim of the attack? Who was the attacker, if known? What did the attacker do to the victim? What was the apparent motivation of the attacker?
Using the Web, research the debate over ActiveX controls and analyze Microsoft's security design. Is it strong enough? What security breaches have occurred in the past regarding ActiveX controls?
How many comparisons between hash values are needed in the worst case - compute in the worst case?
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