Anti-fraud controls

Hardening rules applied to every worker session.

Face recognition

Match selfie against enrolled biometric.

Liveness + blink

Reject photos & video replays.

Mock GPS detection

Reject location-spoofing apps.

Root / jailbreak detection

Block compromised devices.

Device binding

One worker = one registered device.

Gallery upload block

Only live camera. No edits.

Time tampering detection

Server-time validation.

Screenshot restriction

Disable on sensitive screens.

Recent fraud signals

· Naledi Khumalo — face match failed 2× at Isando Logistics Hub — manual review queued
· Mock-GPS attempt blocked on device W-105 — auto-logged out