“Without quantum-safe encryption, everything that has been transmitted, or will ever be transmitted, over a network is vulnerable to eavesdropping and public disclosure.”

Cryptography Motivation #1: Communication channels are spying on our data. Motivation #2: Communication channels are modifying our data. Sender Untrustworthy network \Alice" \Eve" …

Attacker can log in remotely (ssh) Some attacks work by measuring network delays Attacker does not even need an account on the target machine

Motivation #1: Communication channels are spying on our data. Motivation #2: Communication channels are modifying our data. Sender Untrustworthy network \Alice" \Eve" Literal meaning …