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Prevention & verification · Virtual cameras & deepfakes

A deepfake needs a fake camera. On Capifiq, one can't join.

OBS, ManyCam, and injected video feeds let a candidate replace the live webcam with pre-recorded video, a manipulated stream, or a deepfake, so the person on camera may not be the person interviewing. Capifiq closes that at the door: only a physical camera can join a Capifiq interview. A virtual camera can't connect, so the substituted feed never reaches the call, and the feed that does arrive is verified during the interview.

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The threat

The face on camera may not be live.

A virtual camera sits between the real webcam and the meeting, and can feed the interview anything: a pre-recorded loop, an altered stream, a stand-in, or a real-time deepfake.

Combined with AI-generated resumes and synthetic voices, it is how a candidate profile can be partly, or entirely, fabricated. Gartner projects one in four candidate profiles will be fake by 2028.

Tools in this category

  • OBS Virtual Camera: free, ubiquitous
  • ManyCam: virtual camera effects
  • Injected and virtual camera devices
  • Deepfake and face-swap tools
  • Pre-recorded video loops
  • …and new tools shipped constantly

The blind spot

Why the interviewer accepts the feed.

Modern virtual cameras produce a smooth, believable image, and the manipulation happens before the video ever reaches the meeting.

A convincing feed

The output is smooth and believable, and interviewers naturally accept the video they are shown as live.

Before the meeting sees it

The substitution happens ahead of Zoom or Teams, so the meeting app just receives a normal-looking feed.

Legitimate, and everywhere

Streamers and creators use these tools daily, so their existence isn't proof, and a denylist can't tell.

What Capifiq surfaces

  • Virtual camera devices and active video sources
  • A change to the camera source during the session
  • Coverage that isn't limited to named tools
  • Cryptographically hashed, sealed evidence for review

The coverage

Caught by the source, not the picture.

Capifiq surfaces indicators that the camera feed is being substituted or routed through a virtual device: not by judging the image, but by verifying the camera source.

The finding is timestamped and sealed for the interviewer to review.

The full picture

On-device is only half of it.

Capifiq detects any unauthorized assistance running on the candidate's device. This is one of the common vectors, not a fixed list. And for help that never touches the device, the Question Engine builds questions it cannot usefully answer.

Hidden AI assistants

Desktop and web tools that feed answers on a hidden overlay.

Remote-control sessions

Another person viewing or driving the candidate's machine.

Virtual machines

A second environment concealing unauthorized tools.

Browser-based assistants

Extensions and web apps that generate answers.

Display tampering

Overlays and extra displays hiding content.

Off-device cheating

Outpaced by the Question Engine: the second pillar.

Questions

Common questions.

Can Capifiq tell if the video is a deepfake?
It works in two layers. First, prevention: only a physical camera can join a Capifiq interview, so a virtual camera, the route almost every deepfake and face-swap tool depends on, can't connect in the first place. Second, verification: the feed that does arrive is checked during the interview, and anything it surfaces is a factual, timestamped finding for a person to weigh, not a judgement about the candidate.
Isn't blocking better than detecting?
For this one, yes, which is why we do it. Scoring a face as "probably fake" after the fact leaves you arguing about a percentage. Removing the feed the attack needs is cleaner: there is nothing to dispute, because the synthetic stream never entered the call. Verification then covers what a block can't.
Does this check the candidate's ID?
No. This is about whether the video is a real camera rather than a synthetic feed. Capifiq does not perform documentary identity verification. It doesn't check a passport or a government ID. Optional live ID verification is a separate capability.
Does using OBS mean someone is cheating?
No. These tools have legitimate uses. Their presence in a monitored interview is surfaced as an event for the interviewer to weigh.
What about synthetic voice or AI resumes?
Those are part of the same synthetic-identity trend. This page focuses on the camera feed; Capifiq's role is to surface a substituted or manipulated video source with evidence.
What about a brand-new virtual-camera tool?
Coverage does not depend on the tool being catalogued first.

Get started

Make sure the person on camera is real.

Run your next interviews on Capifiq and see what it surfaces.

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