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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# Security.txt voor 4thegroup.com
# Conform RFC 9116

Contact: mailto:info@4thegroup.com
Expires: 2026-03-18T06:16:12Z
Canonical: https://4thegroup.com/.well-known/security.txt
Canonical: https://www.4thegroup.com/.well-known/security.txt
Policy: https://4thegroup.com
Encryption: https://4thegroup.com/.well-known/pgp-key.txt
Preferred-Languages: nl, en
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