Incident Detection and Analysis: Master the Art of Cybersecurity Threat Identification

Question 1

What is the main purpose of conducting a root cause analysis during incident response?

Accepted Answer

To identify the underlying cause of the incident

Answer

To gather evidence for legal purposes

Answer

To assign blame to individuals or groups

Answer

To document the incident for future reference

Question 2

What is the key distinction between an incident and a breach?

Accepted Answer

An incident is a potential threat, while a breach is a confirmed compromise

Answer

An incident is isolated, while a breach affects multiple systems

Answer

A breach involves unauthorized access to sensitive data, while an incident does not

Answer

There is no distinction between an incident and a breach

Question 3

Why is timeliness crucial in incident detection and analysis?

Accepted Answer

It enables prompt containment and mitigation, minimizing potential damage.

Answer

It provides ample time for thorough investigation and root cause analysis.

Answer

It enhances the organization's reputation and public image.

Answer

It helps organizations avoid legal and regulatory penalties.

Question 4

Which of the following is NOT a widely used method for detecting cybersecurity incidents?

Accepted Answer

Conducting code reviews

Answer

Analyzing system logs

Answer

Monitoring network traffic

Answer

Performing heuristic analysis

Question 5

What is the primary goal of incident analysis?

Accepted Answer

Identifying the root cause of the incident

Answer

Determining the impact of the incident

Answer

Developing a strategy for responding to the incident

Answer

Preventing future incidents from occurring

Question 6

Which of the following tools is commonly employed for log analysis in incident response?

Accepted Answer

Splunk

Answer

Wireshark

Answer

Metasploit

Answer

Nmap

Question 7

Which phase is NOT included in the incident response lifecycle?

Accepted Answer

Incident response report creation

Answer

Preparation and planning

Answer

Detection and analysis

Answer

Containment and eradication

Question 8

Which of the following methods is NOT typically used for detecting cybersecurity incidents?

Accepted Answer

Manual security audits

Answer

Security logs and event monitoring

Answer

Network traffic and behavior analysis

Answer

Vulnerability assessment and penetration testing

Question 9

What is the primary objective of incident analysis?

Accepted Answer

To determine the scope, impact, and root cause of an incident

Answer

To identify and implement measures to prevent similar incidents

Answer

To gather evidence for legal or disciplinary action

Answer

To assign blame or responsibility for the incident

Question 10

Which tool is primarily used for analyzing incident evidence?

Accepted Answer

Forensic analysis software

Answer

Security information and event management (SIEM) system

Answer

Network intrusion detection system (NIDS)

Answer

Vulnerability scanner

Question 11

What is the initial and most critical step in the incident response process?

Accepted Answer

Containment and isolation

Answer

Eradication and remediation

Answer

Recovery and restoration

Answer

Notification and communication

Question 12

Which type of cybersecurity incident involves unauthorized access to, theft, or modification of sensitive information?

Accepted Answer

Data breach

Answer

Malware infection

Answer

Phishing attack

Answer

Denial-of-service attack

Question 13

Which method is most suitable for detecting network-based attacks?

Accepted Answer

Network traffic analysis

Answer

Log analysis

Answer

Vulnerability assessment

Answer

Endpoint detection and response

Question 14

Which technique is specifically designed to detect unusual patterns in network traffic that may indicate a security breach?

Accepted Answer

Network Traffic Analysis

Answer

Content-Based Analysis

Answer

Vulnerability Scanning

Answer

Penetration Testing

Question 15

What is the primary purpose of triage in incident analysis?

Accepted Answer

To prioritize incidents based on their severity and potential impact.

Answer

To identify the root cause of the incident.

Answer

To perform a detailed forensic analysis of each incident.

Question 16

Which of the following techniques is commonly used for network intrusion detection?

Accepted Answer

Signature-based intrusion detection system (IDS)

Answer

Social engineering

Answer

Brute force attack

Answer

Penetration testing

Question 17

What is the primary goal of threat modeling?

Accepted Answer

To identify potential threats, vulnerabilities, and attack vectors for a system or asset.

Answer

To develop security controls for a system.

Answer

To perform a risk assessment.

Question 18

What is the main objective of incident response in an organization's security strategy?

Accepted Answer

To detect, analyze, and respond to security incidents in a timely manner.

Answer

To ensure regulatory compliance.

Answer

To prevent security incidents from occurring.

Question 19

What is the primary purpose of a post-incident review?

Accepted Answer

To evaluate the effectiveness of the incident response efforts and identify areas for improvement.

Answer

To document the incident for legal purposes only.

Answer

To assign blame to individuals involved in the incident.

Question 20

Which of the following is a best practice for incident communication?

Accepted Answer

Clear, concise, and timely communication to all relevant stakeholders.

Answer

Only sharing information with senior management.

Answer

Communicating through multiple channels, but not email.

Question 21

What is the importance of threat intelligence in incident detection?

Accepted Answer

It provides context and insights into potential threats and vulnerabilities.

Answer

It eliminates the need for incident analysis.

Answer

It ensures that all incidents are detected and responded to.

Question 22

Which of the following is NOT a common method for detecting security incidents?

Accepted Answer

Manual code audits

Answer

Network traffic analysis

Answer

Security Information and Event Management (SIEM)

Answer

Intrusion Detection Systems (IDS)

Question 23

A security analyst observes a sudden increase in failed login attempts from a single IP address. What type of analysis is the analyst conducting?

Accepted Answer

Behavioral analysis

Answer

Network analysis

Answer

Vulnerability analysis

Answer

Malware analysis

Question 24

While investigating a security incident, you discover evidence of unauthorized access to a database. What is the immediate priority in this scenario?

Accepted Answer

Isolate the affected system

Answer

Ignore the incident

Answer

Contact the attacker

Answer

Delete all affected data

Question 25

Which of the following is NOT typically considered a security log type used in incident analysis?

Accepted Answer

Application performance logs

Answer

Authentication logs

Answer

System event logs

Answer

Firewall logs

Question 26

What is the primary goal of conducting a root cause analysis in incident response?

Accepted Answer

To identify the underlying reason for the incident

Answer

To create a timeline of the incident

Answer

To estimate the financial impact of the incident

Answer

To collect evidence for legal proceedings

Question 27

Which of the following is a significant advantage of utilizing a Security Orchestration, Automation, and Response (SOAR) platform?

Accepted Answer

Improved incident response efficiency

Answer

Increased data storage capacity

Answer

Enhanced system performance

Answer

Reduced network traffic

Question 28

Which of the following is NOT typically considered a common indicator of compromise (IOC) used in incident detection?

Accepted Answer

User login timestamps

Answer

Domain names

Answer

IP addresses

Answer

File hashes

Question 29

What is the primary objective of conducting a post-incident review?

Accepted Answer

To identify areas for improvement in security processes

Answer

To gather evidence for legal proceedings

Answer

To determine the financial impact of the incident