The history of cryptography is filled with brilliant mathematical insights and technological breakthroughs, but it is also a history ██████████████████████████████████████████████████. I will give an account of two ████████ incidents from the past quarter-century in which powerful organizations has ██████████████████████████████████████ modern cryptographic systems. ███████████████████████████████████████████████████████████████████████████████████████████████████████ I will not assume any background knowledge in cryptography.