Cybersecurity Introduction Review

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5 Questions

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?

An individual, group, organization, or government that conducts or has the intent to conduct detrimental activities.

What is the purpose of a security policy in the context of information security?

A security policy is a set of criteria for the provision of security services. It defines and constrains the activities of a data processing facility in order to maintain a condition of security for systems and data of information, and/or denial of service.

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.

Test your knowledge with this review quiz covering first principles, terminology, and risk measurement in cybersecurity. Explore concepts such as assets, vulnerability, threat actors, and risks in the context of the CIA triad.

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