Compromise means the unauthorized disclosure, modification, substitution, or use of sensitive data or the unauthorized modification of a security-related system, device, or process in order to gain unauthorized access.
Confidentiality means preserving authorized restrictions on information access and disclosure, including means for protecting personal privacy and proprietary information.
Cyber incident means an occurrence that actually or imminently jeopardizes, without lawful authority, the integrity, confidentiality, or availability of information on an information system, or actually or imminently jeopardizes, without lawful authority, an information system.
Cyberattack means an attack, via cyberspace, targeting an enterprise's use of cyberspace for the purpose of disrupting, disabling, destroying, or maliciously controlling a computing environment/infrastructure; or destroying the integrity of the data or stealing controlled information.
Disruption means an unplanned event that causes an information system to be inoperable for a length of time.
Integrity means guarding against improper information modification or destruction and includes ensuring information non-repudiation and authenticity.
Sensitive data means any information which by itself, or in combination with other information, could be used to cause harm to a credit union or credit union member and any information concerning a person or their account which is not public information, including any non-public personally identifiable information.
12 C.F.R. §748.1