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You work for a large public university that utilizes a web-based registration and cashiering system that allows students to register for, pay for, and drop classes. Naturally, peak usage times are during registration season shortly before the start of a new quarter. The system has been in place for about a year and a half and has greatly reduced the workforce needed to staff the registration office during registration season; as a result of implementing the new system, over three-quarters of the registration staff were reassigned to other parts of the university. However, during registration for the most recent quarter, the web-based system suffered a crippling distributed denial-of-service (DDoS) attack that made the system unavailable for about 24 hours. The university's network staff was certain that the attack did not initiate from an external network source since the university has a series of mechanisms in place to intercept such attacks. Further investigation revealed that the attack originated from the internal network. The network team discovered that a password sniffer application was somehow installed on a large portion of the computers in various university computer labs. The password sniffer captured one of the administrative passwords that was recently used to remotely install a critical operating system patch for these computers. Once compromised, the computers were then used collectively to perform a DDoS attack that flooded the registration system's web servers with thousands of bogus HTTP requests, which quickly overwhelmed the servers and caused them to become unavailable. As the lead network specialist, you have been asked to recommend countermeasures to protect the university's registration system against this type of denial-of-service (DoS) attack. Task: A. Create a diagram to illustrate how the attack occurred. In your diagram, include the following:
B. Recommend in an executive summary (suggested length of 2 pages) preventive measures to counter this type of DoS attack. Note: The executive summary will be read primarily by nontechnical management staff, so it is important that the summary sufficiently develops and addresses the topic but does not overwhelm the reader with unexplained technical terminology. C. When you use sources, include all in-text citations and references in APA form
A date consists of a month, day, and year. Frequently, we represent each of these items as integers. For example, July 4, 1990, is a month 7, day 4, and year 1990.
Create an new windows form application. Add 2 controls that can display multi-line text. Use the application to enter data into an ArrayList (or you can initialize the arrayList via the application).
For an airlines company, identify three operational applications that would feed into the data warehouse. What would be the data load and refresh cycles for each
Determine the probability that the contention ends on round k, and compute the mean number of rounds per contention period?
Prove that, in the context of private-key encryption, we can assume without loss of generality that keys are chosen uniformly at random (and so Gen is trivial).
With that in mind, how do you think the Americans with Disabilities Act affects website design and design of E-business applications?
Write a conditional that assigns the boolean value true to the variable fever if the variable temperature is greater than 98.6 .So if temperature has the value 99.5,
Analyze one of the commonly used password management protocol what is the weakness of this protocol?
You wish to find out whether bit string contains two consecutive 1 bits. Obviously, you can do this using n probes. For which values of n in range {3, 4, 5, 6, 7} can this be done using fewer than n probes?
Author suggests ways to do this. Explain the potential challenge that this kind of collaboration might face and explain the way of dealing with it.
How many wraps around the capstan are required such that one person exerting 100lbs of force can keep the ship at its mooring. Assume the friction coefficient between the rope and capstan is 0.2.
Suppose an initially-empty queue Q has performed a total of 32 enqueue operations, 10 front operations, and 15 dequeue operations, 5 of which generated QueueEmptyExceptions,
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