ECCouncil Updated 212-89 Exam Questions and Answers by igor

This scenario is a clear example of a deceptive phishing attack, which is extensively covered in the ECIH Email Security Incident module. Deceptive phishing involves impersonating a trusted internal entity—such as HR—to trick recipients into disclosing sensitive information like credentials or personal data.

Option D is correct because the email impersonates HR, uses social engineering, and directs users to a visually identical but fraudulent login page hosted on an unfamiliar domain. These characteristics are classic indicators of deceptive phishing.

Option A refers to DNS manipulation and is not evidenced here. Option B involves overwhelming email volume rather than deception. Option C refers to unsolicited bulk email without impersonation.

Elena’s actions align with ECIH best practices: preserving headers for forensic validation, capturing screenshots to document fraudulent infrastructure, and blocking malicious domains to prevent further exposure. Correctly categorizing the incident as deceptive phishing ensures appropriate eradication, awareness, and reporting measures.

The ECIH incident validation phase emphasizes the importance of direct evidence when confirming unauthorized access. Log entries that show access to sensitive or restricted files provide concrete proof that an attacker successfully breached controls.

Option B is correct because access logs tied to critical resources confirm both authentication success and unauthorized activity. Failed logins or system performance issues alone do not confirm compromise.

Option A, C, and D are indirect indicators that may signal suspicious behavior but cannot independently confirm unauthorized access.

Therefore, verified log evidence is the strongest indicator, aligning with ECIH incident triage and validation principles.

A Trojan, short for Trojan horse, is a type of malicious software that misleads users of its true intent. It disguises itself as a legitimate and useful program, but once executed, it allows unauthorized access to the user ' s system. Unlike viruses and worms, Trojans do not replicate themselves but can be just as destructive. They are often used to create a backdoor to a computer system, allowing an attacker to gain access to the system or to deliver other malware. Trojans can be used for a variety of purposes, including stealing information, downloading or uploading files, monitoring the user ' s screen and keyboard, and more. The term " Trojan " comes from the Greek story of the wooden horse that was used to sneak soldiers into the city of Troy, which is analogous to the deceptive nature of this type of malware in cyber security.

Eradication is the step in the incident handling and response process where the root cause of an incident is removed, and measures are taken to close all attack vectors to prevent similar incidents in the future. After an incident has been properly contained to stop it from spreading or causing further damage, the eradication phase focuses on eliminating the source of the incident. This could involve removing malware, closing vulnerabilities, or implementing stronger security measures to address the exploitation paths used by the attacker.

In the scenario with Raven, notifying service providers and developers of affected resources is part of the actions taken to address the root cause of the incident. This ensures that any vulnerabilities or issues that contributed to the incident are fixed. By working to remove the root cause and secure the system against similar attacks, Raven is effectively implementing the eradication step of the incident handling process.