ST

security.txt history

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

security.txt

duo.com

Collected on 2026-10-22 20:29 UTC.

Contact: psirt@cisco.com
Encryption: https://tools.cisco.com/cscrdr/security/center/files/Cisco_PSIRT_0BE0457A.asc
Policy: https://duo.com/about/security-and-reliability/security-response
Hiring: https://duo.com/about/careers

This file is shown exactly as published by the domain, as collected by the securitytxthistory crawler. 226 bytes · 5 lines.

Collection details

HTTP 200/.well-known/security.txttext/plain; charset=utf-8
Collected URL

https://duo.com/.well-known/security.txt

SHA-256

59de14468664b4777724f165b0c3c09e920fa2738fba216b77455f372a304f3b