ST

security.txt history

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

security.txt

concrete.hk

Collected on 2026-10-22 23:51 UTC.

Canonical: https://www.heidelbergmaterials.com/.well-known/security.txt
Contact: mailto:security.info@heidelbergmaterials.com
Preferred-Languages: en
Hiring: https://heidelbergmaterials.wd3.myworkdayjobs.com/en-US/Global_HM_Career_Site?q=cybersecurity
Expires: 2028-12-31T12:00:00z

This file is shown exactly as published by the domain, as collected by the securitytxthistory crawler. 282 bytes · 6 lines.

Collection details

HTTP 200/.well-known/security.txttext/plain1 redirect
Collected URL

https://www.concrete.hk/.well-known/security.txt

SHA-256

d5af99bec61636e4c0db7ce73614e198fa3f1073f914df09c7a9ca29ad65e345

Redirects

  1. 308https://concrete.hk/.well-known/security.txt
  2. 200https://www.concrete.hk/.well-known/security.txt