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Vulnerability (Computing)

In computer security, a vulnerability is a weakness which allows an attacker to reduce a system's information assurance. vulnerability is the intersection of three elements: a system susceptibility or flaw, attacker access to the flaw, and attacker capability to exploit the flaw. to exploit a vulnerability, an attacker must have at least one applicable tool or technique that can connect to a system weakness. in this frame, vulnerability is also known as the attack surface.