Incident

Definitions

National Definitions

Lithuania

Incident shall mean an event, act or omission which gives rise or may give rise to an unauthorized access to an information system or electronic communications network, disruption or change of the operation (including takeover of control) of an information system or electronic communications network, destruction, damage, deletion or the change of electronic information, removal or limiting of the possibility to use electronic information and, also, which gives rise or may give rise to the appropriation, publication, dissemination or any other use of non-public electronic information by persons unauthorized to do so.

United States

DHS

An occurrence, caused by either human action or natural phenomenon, that may cause harm and require action, which can include major disasters, emergencies, terrorist attacks, terrorist threats, wild and urban fires, floods, hazardous materials spills, nuclear accidents, aircraft accidents, earthquakes, hurricanes, tornadoes, tropical storms, war-related disasters, public health and medical emergencies, cyber attacks, cyber failure/accident, and other occurrences requiring an emergency response .

NIST

A violation or imminent threat of violation of computer security policies, acceptable use policies, or standard security practices.

This document points to several ICT-related definitions of incident.

Standard Definition

ISO/PAS 22399:2007

Event that might be, or could lead to, an operational interruption, disruption, loss, emergency or crisis .

See also

• Disruption
• Event