Physical connectors as an attack surface
Charge contacts and USB ports are often treated as power-only, but they can carry data, debug signals and glitchable supply lines. Here is what to review.
Read moreArchive: 2026
Notes first published in 2026.
IoT device hardening: a practical checklist
A practical, ordered checklist for hardening connected devices, starting with the fixes that remove the most risk for the least effort.
Read moreSecuring debug and test interfaces on circuit boards
Exposed JTAG, SWD and UART access is one of the quickest ways into a device. This note covers how it is abused and how to close it without breaking factory test.
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