ST

security.txt history

A historical index of security.txt files across the web.

security.txt

grand-challenge.org

Collected on 2026-10-22 21:17 UTC.

Contact: mailto:security@grand-challenge.org
Canonical: https://grand-challenge.org/.well-known/security.txt
Policy: https://grand-challenge.org/vulnerability-disclosure/
Preferred-Languages: en, nl
Expires: 2027-01-18T23:59:59z

This file is shown exactly as published by the domain, as collected by the securitytxthistory crawler. 229 bytes · 6 lines.

Collection details

HTTP 200/.well-known/security.txttext/plain
Collected URL

https://grand-challenge.org/.well-known/security.txt

SHA-256

9f6287a32e45dd36eacac5733f2fbb8018daca19a6b319aa2f8f582ce4dbb45c