Laser Your Way into Debug Mode on the RP2350
Laser Your Way Into Debug Mode On The RP2350 No comments by: Tyler August September 19, 2026 Title: Copy Short Link: Copy The RP2350 is actually a pretty secure chip, all things considered. It has secure boot, ARMv8’s TrustZone to split secure and non-secure execution, and you can permanently disable debug — the Pi Foundation even included glitch detection, meaning the traditional ‘zap the chip until it obeys’ technique is blocked. That’s why the [Ledger Donjon] security team went full Bond Villain and strapped everyone’s favourite fruit-flavoured microcontroller to a table with a slowly-approaching laser beam.
- ▪Laser Your Way Into Debug Mode On The RP2350 No comments by: Tyler August September 19, 2026 Title: Copy Short Link: Copy The RP2350 is actually a pretty secure chip, all things considered.
- ▪It has secure boot, ARMv8’s TrustZone to split secure and non-secure execution, and you can permanently disable debug — the Pi Foundation even included glitch detection, meaning the traditional ‘zap the chip until it obeys’ technique is blo
- ▪That’s why the [Ledger Donjon] security team went full Bond Villain and strapped everyone’s favourite fruit-flavoured microcontroller to a table with a slowly-approaching laser beam.
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| Original publisher | Hackaday |
| Canonical URL | https://hackaday.com/2026/09/19/laser-your-way-into-debug-mode-on-the-rp2350/ |
| Publication time | Sun, 20 Sep 2026 02:00:23 +0000 |
| Retrieval time | 2026-09-20T02:03:47.147Z |
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Opening excerpt (first ~120 words) tap to expand
Laser Your Way Into Debug Mode On The RP2350 No comments by: Tyler August September 19, 2026 Title: Copy Short Link: Copy The RP2350 is actually a pretty secure chip, all things considered. It has secure boot, ARMv8’s TrustZone to split secure and non-secure execution, and you can permanently disable debug — the Pi Foundation even included glitch detection, meaning the traditional ‘zap the chip until it obeys’ technique is blocked. That’s why the [Ledger Donjon] security team went full Bond Villain and strapped everyone’s favourite fruit-flavoured microcontroller to a table with a slowly-approaching laser beam. The bench setup to do all this is pretty impressive– and came with an impressive 250,000 USD price tag.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Hackaday.
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