GCIA Incident Response and Forensics

Question 1

What is the primary objective of an incident response plan?

Accepted Answer

To ensure business continuity during an incident

Answer

An incident response plan outlines the procedures and responsibilities for handling security incidents, from detection to recovery. Its primary objective is to minimize the impact of an incident, contain the damage, and restore normal operations as quickly and efficiently as possible. This ensures that critical business functions can continue or be resumed with minimal disruption, maintaining business continuity.

Question 2

Which step in the incident response process involves gathering evidence and documenting the incident?

Accepted Answer

Detection and Analysis

Answer

The Detection and Analysis phase is where security incidents are identified, validated, and thoroughly investigated. This step involves gathering all relevant evidence, such as logs, network traffic, and system artifacts, to understand the scope, nature, and impact of the incident. Proper documentation during this phase is crucial for subsequent containment, eradication, and post-incident review.

Question 3

In digital forensics, what is the purpose of "chain of custody"?

Accepted Answer

To document who has handled the evidence and when

Answer

Chain of custody is a critical forensic principle that maintains a meticulous record of everyone who has come into contact with a piece of evidence, from its collection to its presentation in court. This documentation includes details like dates, times, locations, and reasons for handling. It ensures the integrity and authenticity of the evidence, proving it has not been tampered with or altered.

Question 4

What is a common tool used for forensic analysis of file systems?

Accepted Answer

EnCase

Answer

EnCase is a widely recognized and powerful commercial software suite used for digital forensics and e-discovery. It allows forensic investigators to acquire, analyze, and preserve data from various storage devices, including hard drives and mobile phones. This makes it a common tool for examining file systems for evidence of compromise or malicious activity.

Question 5

Which of the following best describes a "root cause analysis" in the context of incident response?

Accepted Answer

Determining the underlying reason for the security incident

Answer

Root cause analysis (RCA) is a systematic process performed after an incident has been contained and eradicated. Its purpose is to identify the fundamental, underlying reasons why an incident occurred, rather than just addressing the symptoms. By understanding the root cause, organizations can implement preventative measures to avoid similar incidents in the future, improving overall security posture.

(GCIA) GIAC Certified Intrusion Analyst Practice Test

(GCIA) GIAC Certified Intrusion Analyst Practice Test

GCIA Incident Response and Forensics