https://www.bleepingcomputer.com/news/security/bitter-espionage-hackers-target-chinese-nuclear-energy-orgs/

A cyberespionage hacking group tracked as 'Bitter APT' was recently seen targeting the Chinese nuclear energy industry using phishing emails to infect devices with malware downloaders.

Bitter is a suspected South Asian hacking group known to target high-profile organizations in the energy, engineering, and government sectors in the Asian-Pacific region.