Cyber Security for Business – Spring 2025 – Midterm

Daffodil International University Faculty of Business and Entrepreneurship Department of Business Administration Semester: Spring-2025 Tillie: I hour 30 minutes Course code: 0613-223 Section: 65 (A, B, C, D, E, F, G) Instructions: Program: BBA Examination: Midterm Full Marks: 25 Course Title: Cyber security for Business Teacher's Name: MI/FK/ MAI/ RT/ FC/ MFII 1. Answer all the questions. 2. Any kind of unfair means is strictly prohibited. 3. Read the question attentively, then answer to the point; relevant examples will carry greater marks. Question No. l: [CLO 1, Level 21 [Marks: 71 In today's complex digital landscape, organizations are continuously challenged by a range of cyber threats that target different aspects of their digital infrastructure. A multi-layered security approach is employed to address these vulnerabilities. Explain how the distinct layers within seven-layer cyber security can provide comprehensive protection to defend their digital assets effectively. Question No. 2: [CLO 2, Level 41 [Marks 2+3+4=91 The CEO ofa government contracting firm was notified that an auction on the dark web was selling access to their firm's business data, which included access to their military clients database. The CEO rapidly investigated the issue and found valid. How did this happen? The firm identified that a senior employee had downloaded a malicious email attachment, thinking it was from a trusted source. In your response, analyze the type of cyber-auack that likely led to this breach, inspect which aspects of the CIA Triad were impacted and explain why, and analyze effective security measures to pFevent such attacks in the future. Question No. 3: [CLO 2, Level 41 [Marks: 4.5+4.5=91 In one real-world ex'ample, an influencer shared a photo of her full airline ticket on social media without realizing it contained sensitive information—like her ticket number, barcode, and booking details. Unfortunately, a malicious actor spotted this information and used it to interfere with her travel plans, ultimately causing her flight to be cancelled. Analyze the impact of social media oversharing on both personal and organizational cyber security. List the strategies that can be implemented to safeguard social media accounts.