What is a vulnerability in computer security?

A flaw that compromises security.

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  1. A flaw that compromises security ✔
  2. A type of antivirus
  3. A fast internet plan

Why: A vulnerability is a weakness in how a system is built or run that can be exploited.

Huh, didn't know that: A vulnerability is a weakness in how a system is built or run that can be exploited.

The dad joke
A vulnerability is a crack in the castle wall.
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References

Answer: A flaw that compromises security. A vulnerability is a weakness in how a system is built or run that can be exploited.

  1. Computer security en.wikipedia.org/wiki/Computer_security
    A vulnerability refers to a flaw in the structure, execution, functioning, or internal oversight
    Checked 2026-11-07.

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