International efforts to support Ukrainian cyber defense

1. What is a Botnet? (1 point) 2. In this class you tinkered with an IDS, Snort. Name 5 IDS alternatives. (1 point) 3. International efforts to support Ukrainian cyber defense (3 points): Table 1 on this website (https://carnegieendowment.org/2022/11/03/evaluating- international-support-to-ukrainian-cyber-defense-pub-88322) lists 6 such effort areas. Chose any 3 and write a 100-word technical description for each. 4. Cyber Threat Intelligence Analysis (1 point each, total 5 points): a. You are a cyber threat analyst at an organization. Right now, most of your organization employees are working remotely. Your Chief Information Security Officer (CISO) needs your help vetting the current breath of communications technology offerings. She wants you to compile a list of known vulnerabilities in Zoom, Cisco WebEx, and Microsoft Teams. (you have to compile a list of known vulnerabilities in these specific tools. ) b. Given these known vulnerabilities which one will you recommend? Provide a security related reason for your choice. c. After receiving your recommendations, she also wants to you to identify and compile a list of websites/resources, where official patch notes for these communications’ technology offerings are available. d. Investigate the contents and timings of these patch notes. What details are available? e. Should these patch notes influence your previous recommendation? Do you want to change your recommendation?