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If an organization has three information assets to evaluate for risk management as shown in the accompanying data, which vulnerability should be evaluated for additional controls first? Which one should be evaluated last?
Explain your reasons.
a. Switch L47 connects a network to the Internet. It has two vulnerabilities: it is susceptible to hardware failure at a likelihood of 0.2, and it is subject to an SNMP buffer overflow attack at a likelihood of 0.1. This switch has an impact rating of 90 and has no current controls in place. You are 75 percent certain of the assumption and data.
b. Server WebSrv6 hosts a company Web site and performs e-commerce transactions. It has a Web server version that can be attacked by sending it invalid Unicode values. The likelihood of that attack is estimated at 0.1. The server has been assigned an impact value of 100 and a control has been implanted that reduces the impact of the vulnerability by 75 percent. You are 80 percent certain of the assumption and data.
c. Operators use a MGMT45 control console to monitor operations in the server room. It has no passwords and is susceptible to unlogged misuse by the operators. Estimates show the likelihood of misuse is 0.1. There are no controls in place on this asset; it has an impact rating of 5. You are 90 percent certain of the assumptions and data.
Suppose that you feel that your (or your boss's) email content was always leaked (e.g., some confidential information in your email was known to many others). Design a plan for this investigation.
Let two main types of message exchange patterns in SOAP (and operation types in WSDL): (1) request-response and (2) one-way.
How do the NIST criteria for selection of DES and AES relate to Shannon's original standards of a good cryptographic system?
Show the even-parity encoding of the following bit string, in the form of bytes: 0100101011101011101010110110 (break it up into pieces of data large enough to encode as several parity-encoded bytes.
To help counter terrorism, many countries are planning and development of computer systems that track large number of citizens and their actions. Clearly this has privacy, implications. Discuss the ethics of developing this type of system.
Compare error detection and correction facilities of interpreters and compilers. Compare static and dynamic linking. With respect to the requirements of modern applications, what are the shortcomings of 3GLs?
Assume a foreign website sells drugs which are not approved by regulatory agencies for sale to citizens of another country. Do you believe that website has a duty to be familiar with drug laws throughout the world?
Express each of these statements using quantifiers, logical connectives, and the predicates P(x), Q(x), R(x) and S(x). Does the fourth item follow from the first three taken together?
You have been tasked with evaluating a new hands-free input device, the "chair mouse", which the user manipulates by shifting his/her weight in a specially instrumented chair.
Suppose the legislature in your state is debating the adoption of UCITA. What are the three most important ideas you want your legislators to get from your testimony?
Discuss in scholarly detail the acquisition evaluation process to the Seven-Step Acquisition Model.
Assume the instruction cache miss rate is 0.5% and the data cache miss rate is 1%. Calculate the performance of the cache (CPU execution time) and the average CPI.
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