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Acronyms

Alphabetical index of published acronym entries. Acronym slugs are lowercase in URLs.

  1. OAKLEYUpdated Jan 06, 2026

    A key establishment protocol (proposed for IPsec but superseded by IKE) based on the Diffie Hellman Merkle algorithm and designed to be a compatible component of ISAKMP. [R2412]

  2. OAuthUpdated Jan 06, 2026

    an open standard authorization protocol or framework that provides applications the ability for secure designated access

  3. OCSPUpdated Jan 06, 2026

    See: Online Certificate Status Protocol.

  4. OFBUpdated Jan 06, 2026

    See: output feedback.

  5. OffSecUpdated Jan 06, 2026

    the proactive approach to securing networks and systems from attacks by actively seeking out vulnerabilities and weaknesses

  6. OIDUpdated Jan 06, 2026

    See: object identifier.

  7. OpenIOCUpdated Jan 06, 2026

    An extensible XML schema that enables you to describe the technical characteristics that identify a known threat, an attacker's methodology, or other evidence of compromise.

  8. OPSECUpdated Jan 06, 2026

    Abbreviation for "operations security".

  9. OTARUpdated Jan 06, 2026

    See: over the air rekeying.

  10. OTPUpdated Jan 06, 2026

    See: One Time Password.