david wong

Hey! I'm David, a security engineer at the Blockchain team of Facebook, previously a security consultant for the Cryptography Services of NCC Group. This is my blog about cryptography and security and other related topics that I find interesting.

Defcon CTF 2009 write up comic posted November 2014


The Sapheads team draw a comic as a write up for the finale of the Defcon CTF in 2009. Since it's a classic here it is

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