Cyber espionage is not cyberattack

https://www.c4isrnet.com/opinion/2021/02/01/cyber-espionage-is-not-cyberattack/

A expert explains how a recent giant hack is a classic case of espionage that differs from a true cyberspace attack.

https://peterholland765.wordpress.com/2021/02/02/cyber-espionage-is-not-cyberattack/