Document fraud detection

Detect a fake sick leave certificate

Fake sick leave certificates weigh on employers, health insurers and the bodies that pay daily allowances. They often circulate as photos or scans, and are sometimes entirely fabricated. Docusan examines each certificate you receive and highlights traces of forgery.

Typical frauds

The most common forgeries

01

Extended duration

Start or end dates are changed on a genuine certificate to extend the leave.

02

Fabricated certificate

A certificate is created from a template or bought online, without any medical consultation.

03

Impersonated or invented doctor

The name or identifiers of a real doctor are used without their knowledge, or a fictitious practitioner is invented.

Our detection approach

What Docusan analyzes

Four levels of analysis to spot forgeries, whether the document is a PDF, a scan or a photo.

01

Metadata

  • Missing metadata
  • Inconsistencies in the file properties
02

Pixel-level anomalies

  • AI-generated images, deepfakes
  • Inserted content (splicing, inpainting, copy-move…)
03

Structural anomalies

  • Edits and annotations
  • Recovery of previous versions
04

Customizable detectors

  • Consistency with document templates
  • Data cross-checking
  • Watchlists

FAQ

Your questions

Does Docusan check the doctor’s identity?

Docusan does not query any directory of healthcare professionals. However, watchlists make it possible to flag prescribers already identified as fraudulent.

Can a certificate photographed with a phone be analyzed?

Yes. Docusan analyzes documents received as photos, scans or PDFs. For the most complete analysis, use the original file rather than a copy forwarded through a messaging app.

Who uses this check?

Employers, health insurers and provident institutions, which receive these documents and pay or top up allowances.

Free trial

Test Docusan on your own documents

Upload a PDF, scan or photo and get a verdict within seconds.