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

# Hello! Did you find a security problem? If so we'd appreciate if you let us know.
# You can e-mail us on the address below, and optionally use PGP to encrypt your message.
# Thanks a bunch. We really appreciate your diligence.
Contact: <a href='mailto:sysadmin@insomniasec.com'>sysadmin@insomniasec.com</a>
Encryption: <a href='https://insomniasec.com/cdn-assets/insomniakey.asc.txt'>https://insomniasec.com/cdn-assets/insomniakey.asc.txt</a>