Most Recent Eccouncil 212-89 Exam Questions & Answers

The Barracuda Email Security Gateway is designed to manage and filter inbound and outbound email traffic to protect organizations from email-borne threats and data leaks. As an incident handler analyzing email headers to find out suspicious emails, using a tool like the Barracuda Email Security Gateway would be appropriate. This tool can help identify and block spam, phishing, malware, and other malicious email threats, making it easier to focus on analyzing potentially harmful emails more closely.

When Investigator Ian gives you a drive image to investigate, the type of analysis you are performing is static analysis. Static analysis involves examining the contents of a drive, file, or binary without executing the system or the application. It's about analyzing the data at rest. This type of analysis is crucial for forensics investigations because it allows for the examination of files, directories, and system information without altering any state or data, thereby preserving the integrity of the evidence. Static analysis is contrasted with dynamic analysis, which involves analyzing a system in operation (real-time or live) or executing the application to observe its behavior. Reference: Incident Handler (ECIH v3) courses and study guides highlight the importance of static analysis in digital forensics, detailing methods for examining disk images, files, and other digital artifacts to gather evidence without compromising its integrity.

Incident triage is the phase in the incident handling and response process where identified security incidents are analyzed, validated, categorized, and prioritized. This step is critical for determining the severity of incidents and deciding on the allocation of resources for effective response. It involves initial analysis to understand the nature of the incident, its impact, and urgency, which guides the subsequent response actions.

The first step in securing an employee's account following an email hacking incident involves restoring access to the email services if necessary and immediately changing the password to prevent unauthorized access. This action ensures that the attacker is locked out of the account as quickly as possible. While enabling two-factor authentication, scanning links and attachments, and disabling automatic file sharing are important security measures, they come into play after ensuring that the compromised account is first secured by changing its password to halt any ongoing unauthorized access. Reference: The ECIH v3 certification materials cover the initial steps to be taken when responding to incidents involving compromised accounts, emphasizing the importance of quickly changing passwords to secure the accounts against further unauthorized access.

The data preprocessing step performed by Johnson, where he analyzes user activities within a certain time period to create time-ordered domain sequences for further analysis on sequential patterns, is known as user-specific sessionization. This process involves aggregating all user activities and requests into discrete sessions based on the individual user, allowing for a coherent analysis of user behavior over time. This is critical for identifying patterns that may indicate a watering hole attack, where attackers compromise a site frequently visited by the target group to distribute malware. User-specific sessionization helps in isolating and examining sequences of actions taken by users, making it easier to detect anomalies or patterns indicative of such an attack. Reference: The ECIH v3 certification materials discuss various data preprocessing techniques used in the analysis of cyber attacks, including the concept of sessionization to better understand user behavior and detect threats.