Questions and Answers
Define vulnerability in the context of cybersecurity.
A flaw, bug, or misconfiguration in the system that permits the CIA triad to be attacked.
What is the definition of a threat actor in cybersecurity?
A person or group that might exploit or attack a system.
Explain the concept of risk in cybersecurity.
Risk is a measurement of the damage and likelihood of a threat actor carrying out a threat by exploiting a vulnerability.
What does the term 'adversary' or 'threat agent' refer to in cybersecurity?
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What is the purpose of a security policy in the context of information security?
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Study Notes
Cybersecurity Fundamentals
- Vulnerability: A weakness or flaw in a system, network, or application that can be exploited by a threat actor to compromise security.
Threat Actors and Adversaries
- Threat Actor: An individual or group that attempts to exploit vulnerabilities to compromise security, including hackers, cybercriminals, nation-states, and insiders.
- Adversary or Threat Agent: A synonym for threat actor, referring to any entity that poses a threat to an organization's security.
Risk in Cybersecurity
- Risk: The likelihood and potential impact of a threat actor exploiting a vulnerability, measured in terms of probability and potential damage or loss.
Security Policy
- Security Policy: A high-level document outlining an organization's security goals, objectives, and responsibilities, providing a framework for implementing and maintaining information security. Its purpose is to ensure the confidentiality, integrity, and availability of sensitive data and systems.
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