A vulnerability disclosure policy (VDP), also referred to as a responsible disclosure policy, describes how an organization will handle reports of vulnerabilities submitted by ethical hackers. A VDP must thus be easily identifiable via a simple way, a security.txt notice.

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Contact: mailto:security@stadt-koeln.de
Expires: 2026-02-25T23:00:00.000Z
Encryption: https://www.stadt-koeln.de/.well-known/pgp.txt
Preferred-Languages: de,en
Canonical: https://www.stadt-koeln.de/.well-known/security.txt
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