| Reading from screen | Video | Eye-movement analysis flags reading prepared text instead of speaking naturally. |
| Multiple faces | Video | More than one person visible in the candidate's camera frame. |
| Candidate not visible | Video | The candidate leaves the camera frame or their face cannot be seen. |
| Camera turned off | Video | The camera was switched off or never started during a video interview. |
| Face mismatch | Video / KYC | The interview face does not match the candidate verified during KYC. |
| Multiple voices | Audio | More than one voice detected in the candidate's microphone stream. |
| Voice fingerprint mismatch | Audio | Candidate voice does not match the enrolled biometric fingerprint. |
| Stall tactics | Conversation | Candidate stalls or asks unrelated questions to buy time during answers. |
| Asking for help | Conversation | Candidate appears to direct questions or signals to a third party in the room. |
| Asking for repetition | Conversation | The candidate keeps asking for questions to be repeated to gain time. |
| Multiple profiles | Conversation | Same person applies multiple times under different identities. |
| Left the interview tab | Session | The candidate switched to another tab or window. Each switch and the total time away are recorded. |
| VPN connection | Session | Connection routed through a VPN that may hide the candidate's true location. |
| Tor / anonymized network | Session | Connection routed through Tor or similar anonymizing proxies. |