Serial Wire Debug

Assess

Techniques

Arm's low-pin-count debug interface used to inspect and control embedded chips.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by security coverage, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

8Hacker News·9/18/2026security
Laser Fault Injection Breaks RP2350 Secure Debug
Researchers used photon-emission microscopy to locate a register controlling debug enablement on the Raspberry Pi RP2350 microcontroller. By targeting two nearby spots with laser pulses, they restored Secure-world debugger access and recovered a secret from OTP memory after a rescue reset halted firmware locking. The attack requires physical access, destructive setup, and expensive lab equipment.