Random Mosaic – Detecting unauthorized physical access with colored rice (2021)
2 days ago
- #physical-access-detection
- #security
- #tamper-evident
- History of secrecy and protection methods including steganography and cryptography.
- Modern threats to confidentiality and integrity in digital communication and devices.
- Examples of attacks: supply chain interdiction and Evil Maid attacks.
- Protection methods include tamper-evident seals, special screws, and glitter nail polish.
- Experiments with glitter nail polish show varying effectiveness in detecting tampering.
- Introduction of 'Random Mosaic' method using beans, lentils, and colored rice to detect unauthorized access.
- Requirements for the mosaic substance: easy identification, varied colors/sizes, dry, and non-damaging.
- Testing of various substances like lentils, peas, rice, and colored salt for mosaic creation.
- Methods for short-term and longer-term storage or shipping using vacuum sealing.
- Use of Blink Comparison app to detect changes in the mosaic pattern.
- Acknowledgements to contributors and call for further collaboration.