Letter: V

virus
Definition: A computer program that can replicate itself, infect a computer without permission or knowledge of the user, and then spread or propagate to another computer.
Related Term(s): macro virus

vulnerability
Definition: A characteristic or specific weakness that renders an organization or asset (such as information or an information system) open to exploitation by a given threat or susceptible to a given hazard.
Extended Definition: Characteristic of location or security posture or of design, security procedures, internal controls, or the implementation of any of these that permit a threat or hazard to occur. Vulnerability (expressing degree of vulnerability): qualitative or quantitative expression of the level of susceptibility to harm when a threat or hazard is realized.
Related Term(s): weakness

vulnerability assessment and management
Definition: In the NICE Framework, cybersecurity work where a person: Conducts assessments of threats and vulnerabilities, determines deviations from acceptable configurations, enterprise or local policy, assesses the level of risk, and develops and/or recommends appropriate mitigation countermeasures in operational and non-operational situations.