Ken Thompson's acceptance speech for the Turing Award on security thinking.
"The moral is obvious. You can't trust code that you did not totally create yourself."
- ๐๐ผ๐บ๐ฝ๐๐๐ฒ๐ฟ ๐ฆ๐ฒ๐ฐ๐๐ฟ๐ถ๐๐ ๐ถ๐ป ๐๐ต๐ฒ ๐ฅ๐ฒ๐ฎ๐น ๐ช๐ผ๐ฟ๐น๐ฑ by Butler Lampson (2004)
https://www.microsoft.com/en-us/research/wp-content/uploads/2004/06/Computer-Security-in-the-Real-World.pdf

