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EC-Council Certified Incident Handler Questions 121–125 (page: 26)

Updated On: 10-Feb-2026

You are an incident handler working for a large financial institution. The bank has recently purchased new high- end workstations for its data analysis team. In preparation for possible endpoint security incidents, you're deciding on an incident handling approach.
What should be your first step?

  1. Train the data analysis team on the basics of incident response.
  2. Install antivirus software on all the new workstations.
  3. Establish a baseline performance for the new workstations.
  4. Set up a network intrusion detection system to monitor network traffic.

Answer(s): C


Reference:

https://nvlpubs.nist.gov/nistpubs/specialpublications/nist.sp.800-61r2.pdf



During a web application security incident, the incident response team discovers that the attacker has compromised a web server and is using it to launch further attacks against other systems on the network.
What is the best course of action for the incident response team during the containment phase?

  1. Shut down the compromised web server to prevent further attacks
  2. Isolate the compromised web server from the rest of the network to prevent further attacks
  3. Install additional security measures on the compromised web server to prevent further attacks
  4. Allow the attacker to continue the attacks to gather more information about their methods

Answer(s): B


Reference:

https://blog.rsisecurity.com/how-to-execute-the-containment-phase-of-incident-response/



As an incident handler, you are responsible for managing unauthorized access incidents. After a series of reconnaissance attacks on your network, you have employed tools such as Wireshark and Nmap to detect the incidents. During one such scenario, you notice an IP address, 10.10.10.9, has been repeatedly conducting ICMP echo requests and TCP SYN scans.
What would be your immediate course of action to mitigate the situation?

  1. Report the IP address 10.10.10.9 to local law enforcement.
  2. Block the IP address 10.10.10.9 at the firewall level.
  3. Ignore the IP address 10.10.10.9. as it is not causing harm to the network.
  4. Launch a counter-attack against IP address 10.10.10.9.

Answer(s): B


Reference:

https://bluegoatcyber.com/blog/defending-against-ping-icmp-attacks/



A company's endpoint security solution detects a malware infection on an employee's laptop.
What is the first step in the incident response process for handling this endpoint security incident?

  1. Disconnect the infected laptop from the network
  2. Collect and analyze logs from the endpoint security solution
  3. Run a full system scan on the infected laptop
  4. Notify the affected employee and their supervisor

Answer(s): A


Reference:

https://www.emsisoft.com/en/blog/42041/you-just-found-a-malware-infection-now-what-follow- these-steps-to-avoid-making-it-even-worse/



As the new CISO for a mid-sized healthcare organization, you've been tasked with fortifying the company's cyber defenses. Your predecessor mainly focused on network security, but you believe that endpoint security incident handling and response are equally vital.
What is the most compelling reason to justify the additional investment to the board of directors?

  1. The company's competitors have invested heavily in endpoint security.
  2. Increasing the number of remote workers makes the network perimeter less defined.
  3. Endpoint security is a current trend in the cybersecurity industry.
  4. Regulatory bodies demand a greater focus on endpoint security.

Answer(s): B


Reference:

https://heimdalsecurity.com/blog/best-practices-endpoint-security-healthcare/



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