(CIRT) Cyber Incident Response Team
A team responsible for responding to and managing cybersecurity incidents involving computer systems and networks in order to minimize the damage and to restore normal operations as quickly as possible.
(CISA) Cybersecurity and Infrastructure Security Agency
An agency within the US Department of Homeland Security whose mission is to “lead the national effort to understand, manage, and reduce risk to our cyber and physical infrastructure.” Commonly...
(CISO) Chief Information Security Officer
A senior officer in an organization charged with strategic design, direction, and oversight of policies, procedures, and systems designed to protect the organization’s information assets and technologies.
(CISSP) Certified Information Systems Security Professional
An independent information security professional certification governed by the International Information Systems Security Certification Consortium ((ISC)2). Commonly abbreviated “CISSP.”
(CMMC) Cybersecurity Maturity Model Certification
A supply chain cybersecurity accreditation standard designed for the protection of controlled unclassified information that the U.S. Department of Defense (DoD), will require for all contract bids by October, 2025.
(CNA) Computer network attack
Actions taken through the use of computer networks to disrupt, deny, degrade, or destroy information resident in computers and computer networks, or the computers and networks themselves.
(CND) computer network defense (CND)
Actions taken to protect, monitor, analyze, detect and respond to unauthorized activity within information systems and computer networks.
(CNE) Computer network exploitation (CNE)
In US Department of Defense usage, enabling operations and intelligence collection capabilities conducted through the use of computer networks to gather data from target or adversary automated information systems or...
(CNO) Computer network operations (CNO)
A general term, in use within the US Department of Defense, that encompasses computer network attack, computer network defense, and related computer network exploitation enabling operations.
(COTS) Commercial-off-the-shelf
Products or solutions of this kind. Commonly referred to by the acronym COTS.