ECCouncil Updated 212-89 Exam Questions and Answers by dalton

This scenario focuses on user-driven mitigation of phishing threats, a key element of the ECIH Email Security Incident Handling module. Aarav’s guidance directly reinforces one of the most important user best practices: never engage with suspicious emails.

Option D is correct because avoiding replies or forwarding suspicious emails prevents attackers from validating active accounts, spreading malware, or escalating social engineering attacks. ECIH emphasizes that user interaction often determines the success of phishing campaigns, making awareness and behavior critical controls.

Option A is unrelated to security. Option B is a sender-side control, not a user response. Option C may reduce accidental clicks but does not address the broader behavioral risk.

By instructing users to report, delete, and avoid engagement, Aarav strengthens the organization’s human firewall, which ECIH recognizes as essential in reducing phishing impact.

Wireshark is a network protocol analyzer that allows users to capture and interactively browse the traffic running on a computer network. It is a crucial tool for incident responders like Eric who are developing incident-handling plans and need to analyze network traffic and patterns. Wireshark can provide detailed information about the network, including protocols used, source and destination of packets, and potential signs of malicious activity, making it invaluable for developing informed policies and procedures.

ISO/IEC 27001 Annex A.16 focuses on information security incident management, including reporting, assessment, response, and learning. The ECIH curriculum aligns closely with these requirements, emphasizing structured procedures and continuous improvement.

Option C is correct because it directly addresses the identified gaps: clear escalation channels, consistent outcome tracking, and incorporation of lessons learned. ECIH stresses that post-incident activities—often overlooked—are essential for improving readiness and preventing recurrence.

Option A supports preparedness but does not address systemic process gaps. Option B improves visibility but not governance. Option D is a technical control unrelated to incident learning and escalation.

Thus, implementing structured incident escalation and post-incident knowledge integration is the priority action for compliance and resilience.

The described activity—ICMP echo requests sent sequentially across many IP addresses—is a classic ping sweep, a reconnaissance technique used to identify live hosts on a network. ECIH network incident handling identifies reconnaissance as an early-stage attack activity that often precedes exploitation.

Option B is correct because ping sweeps use ICMP echo requests to determine which hosts respond, allowing attackers to map the network. This aligns exactly with the observed traffic.

Option A involves DNS manipulation. Option C involves probing TCP/UDP ports rather than ICMP. Option D describes a denial-of-service technique, not reconnaissance.

Recognizing reconnaissance activity early allows defenders to implement controls before exploitation occurs, aligning with ECIH detection and prevention guidance.