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Instant secure sign-in

Your phone is the key.Download Authenticator.

One install. Link once from HRM. Then open Login with ctOS, scan, approve — done. Built for factories, offices, and shared workstations.

Download for Android Already set up? Sign in
AndroidPlatform
24.3 MBPackage
APKFormat
Jul 29, 2026Updated

Available package

2 build(s)
ctOS Authenticator · Android 24.3 MB · app-release.apk
Get
ctOS HRM Employee Portal App · Android 22.5 MB · ctOS_HRM_emp_portal.apk
Get

Setup in 4 steps

  1. Download on your phone (same network/VPN as this server if required).
  2. Open the file and allow install from this source.
  3. Sign in to HRM once, then choose Link ctOS Authenticator.
  4. Next visit: Login with ctOS → scan → approve.

Hosted by your organization on ctOS HRM. Install only packages provided by your IT / HR administrator.