What is a vulnerability scanner used for?

Finding known weaknesses in a system.

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  1. Scanning paper documents
  2. Measuring Wi-Fi speed
  3. Finding known weaknesses in a system ✔

Why: Scanners look for known vulnerabilities like open ports or insecure configurations.

Huh, didn't know that: Scanners look for known vulnerabilities like open ports or insecure configurations.

The dad joke
A scanner is a metal detector for weak spots.
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References

Answer: Finding known weaknesses in a system. Scanners look for known vulnerabilities like open ports or insecure configurations.

  1. Computer security en.wikipedia.org/wiki/Computer_security
    Vulnerabilities can be discovered with a vulnerability scanner, which analyzes a computer system in search of known vulnerabilities
    Checked 2026-11-07.

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