In-camera forgery proof photo technology for corporate business users

Using digital signatures processed at capture, Sony technology supports to detect any modification to an image, thus protecting it from fraudulent usage.

  1. • In-camera function
  2. • Based on standard cryptography
  3. • Eliminates unauthorized editing and misconduct around digital photo data
  4. • For corporate users only

System process flow


  • 1. Signing mode is activated
  • 2. Image is captured
  • 3. Images are immediately cryptographically signed by the camera processor
  • 4. Image is manipulated
    1. a. pixel modification
    2. b. tampering
    3. c. potential forgery
  • 5. Image signature is cancelled
  • 6. Image manipulation is detected by the customer’s own certificate server during examination

Available on the Alpha 7 IV camera


  • • 33 MP full-frame back-illuminated CMOS sensor
  • • BIONZ XR™ engine
  • • SuperSpeed USB 10Gbps (USB3.2 Gen2) port for
    high-speed transfer
  • • CFexpress Type A media slot
  • • 5-axis optical image stabilisation
  • • Compatible with more than 60 Sony original E-mount lenses
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