(ISC)2 Certified in Cybersecurity Practice Exam

What defines a threat actor in cybersecurity?

1. A group responsible for developing security policies.

2. An entity that implements security controls.

3. An individual or group that initiates a security threat.

4. A software program designed for security assessment.

The correct answer is: An individual or group that initiates a security threat.

The definition of a threat actor in cybersecurity revolves around the concept of an individual or group that initiates a security threat. This includes anyone who exploits vulnerabilities in information systems with the intention of causing harm, stealing data, or disrupting services. Threat actors can range from cybercriminals and hackers to state-sponsored groups and non-state actors, all of whom play a role in the broader landscape of cybersecurity threats. Understanding this definition highlights the proactive nature of cybersecurity measures, which must be designed to defend against these actors. The focus on threat initiation underscores the need for vigilance and preparedness in cybersecurity practices, as recognizing the presence and intent of threat actors is essential for developing effective defense strategies. The other choices do not align with the concept of a threat actor. Groups responsible for developing security policies or entities that implement security controls do not engage in creating threats; rather, they work towards mitigating them. Meanwhile, a software program designed for security assessment serves as a tool for identifying vulnerabilities and enhancing security, not as an actor that instigates threats.