Definition: The word Scan has several meanings as it relates to information security. One meaning relates to a command that causes anti-virus software which is installed on a computer or network to examine the files on a computer. Another definition of the word relates to a technique that crackers use to determine if any “ports” are open to an intrusion. Another variant of the word is used to describe what a tool like Netmap does to examine an entire network infrastructure.

Its Relevance: Part of an organization’s vulnerability assessment must be to examine all possible intrusion points. This functionality is included in most anti-virus software. Both automated and manual sweeps of the system can be structured. An organization’s official policies must include and consistently apply assessments of its system's vulnerabilities.

Return from "Scan" to Words [S - U]