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Problem
(a) Give two reasons for companies to implement security measures.
(b) What is the regulatory expectation regarding
i. healthcare information, ii. financial information?
(c) What does the abbreviation CERT stands for? What is the role of the CERT?
(d) What do you understand by the term security policy? Is it important to have a security policy for a computer system? Justify your answer.
(e) Are attackers often the major cause of damage in computer system? Give two examples of causes of damage other than an attacker.
(f) Which type of attacker poses a higher security risk: malicious insiders or outsiders? Why?
(g) Which security technique allows to perform a quantitative assessment of the relative value of protective measures?
NEED FOR SECURITY Primary mission of information security to ensure that the systems and contents stay the same If no threats, could focus on improving the systems, resulting in
Information and Network Security Part 1- Recovery of an encrypted `word' using a forward search attack. Complete and correct summary for part 1. Adequately commented, clea
BUSINESS NEEDS Information security performs four main functions for an organization. 1. Protects the ability of organization to function. 2. Enables safe operation of applicat
crack the secret message and explain how the code works. The clue is that it has something to do with the computer keyboard. J-Q-H-6 Q-E-F-Q-H-D-3-W 8-H 5-Y-3 7-W-3 9-R--D-9-J
LOG FILE MONITORS Log file monitor (LFM) is similar to NIDS. It reviews log files generated by servers, network devices, and even other IDSs for patterns and signatures. Pattern
Gateways They transfer packets among network machines that have different protocols (e.g. between a WAN and a LAN). They access a packet formatted for one protocol and change
Discuss how developers should apply the following countermeasures to improve the security of their code:
attacks on crytography
A full-duplex (FDX) , accepts communication in both ways, and, unlike half-duplex, accept this to occur simultaneously. Land-line telephone networks are full-duplex, since they
on LAN,where are IP datagrams transported?
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