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Scenario 6: EastCyber has established itself as a premier cyber security company that offers threat detection, vulnerability assessment, and penetration testing tailored to protect organizations from emerging cyber threats. The company effectively utilizes ISO/IEC 27035*1 and 27035-2 standards, enhancing its capability to manage information security incidents. EastCyber appointed an information security management team led by Mike Despite limited resources, Mike and the team implemented advanced monitoring protocols to ensure that every device within the company's purview is under constant surveillance This monitoring approach is crucial for covering everything thoroughly, enabling the information security and cyber management team to proactively detect and respond to any sign of unauthorized access, modifications, or malicious activity within its systems and networks. In addition, they focused on establishing an advanced network traffic monitoring system This system carefully monitors network activity, quickly spotting and alerting the security team to unauthorized actions This vigilance is pivotal in maintaining the integrity of EastCyber's digital infrastructure and ensuring the confidentiality, availability, and integrity of the data it protects. Furthermore, the team focused on documentation management. They meticulously crafted a procedure to ensure thorough documentation of information security events. Based on this procedure, the company would document only the events that escalate into high-severity incidents and the subsequent actions. This documentation strategy streamlines the incident management process, enabling the team to allocate resources more effectively and focus on incidents that pose the greatest threat. A recent incident involving unauthorized access to company phones highlighted the critical nature of incident management. Nate, the incident coordinator, quickly prepared an exhaustive incident report. His report detailed an analysis of the situation, identifying the problem and its cause. However, it became evident that assessing the seriousness and the urgency of a response was inadvertently overlooked. In response to the incident, EastCyber addressed the exploited vulnerabilities. This action started the eradication phase, aimed at systematically eliminating the elements of the incident. This approach addresses the immediate concerns and strengthens EastCyber's defenses against similar threats in the future. Based on scenario 6, EastCyber's team established a procedure for documenting only the information security events that escalate into high-severity incidents. According to ISO/IEC 27035-1, is this approach acceptable?
Correct Answer: B
Comprehensive and Detailed Explanation From Exact Extract: ISO/IEC 27035-1:2016 clearly states that documentation is essential for all information security incidents, regardless of severity. While prioritization is necessary, the standard recommends that events meeting the threshold of an information security incident (based on classification and assessment) must be recorded, along with the corresponding actions taken. The practice described-documenting only high-severity incidents-may result in overlooking patterns in lower-priority events that could lead to significant issues if repeated or correlated. Clause 6.4.5 of ISO/IEC 27035-1:2016 emphasizes that documentation should be thorough and begin from the detection phase through to response and lessons learned. Option A is incorrect, as the standard does not permit selective documentation only for severe incidents. Option C misrepresents the intent of documentation, which must be concurrent with or shortly after incident handling-not only post-event. Reference: ISO/IEC 27035-1:2016, Clause 6.4.5: "All incident information, decisions, and activities should be documented in a structured way to enable future review, learning, and audit." Clause 6.2.3: "When an event is assessed as an incident, it must be recorded along with all subsequent actions." Correct answer: B -