Posts — plygrnd

// filter: all 3 off-topic 1 amazon 1 life-update 1 ramblings 1 cvd 1

2024

Credit card number hyperfixation notes

Down a rabbit hole on the structure and history of payment card numbers, because of course.

2023

A personal update — leaving AWS, identity, and figuring out what's next.

2022

The 9 Commandments of Coordinated Vulnerability Disclosure

Most of what I know about responsible disclosure, captured in nine points. Originally a Twitter thread.

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