Cybersecurity

Security fundamentals

Terms

7 terms

  • Attack surface

    An attack surface in cybersecurity is the sum of all points where an attacker can try to enter, extract data from or influence a system or…

  • CIA triad

    The CIA triad is the core security model in cybersecurity, defining protection goals as confidentiality, integrity and availability of information.

  • Defense in depth

    Defense in depth is the cybersecurity strategy of layering independent controls so that one failed safeguard does not expose the protected asset.

  • Least privilege

    Least privilege is the cybersecurity principle that every user, process and system receives only the minimum access needed to perform its task.

  • Threat actor

    A threat actor is any person, group or organization that intentionally or accidentally causes harm to information systems, data or their users.

  • Threat model

    A threat model is a structured description of what a system must protect, who might attack it, how, and which controls reduce the resulting risks.

  • Zero trust

    Zero trust is a cybersecurity model that grants no implicit trust by network location and verifies every user, device and request before access.