https://www.bleepingcomputer.com/news/security/north-korean-hackers-using-chrome-extensions-to-steal-gmail-emails/

A joint cybersecurity advisory from the German Federal Office for the Protection of the Constitution (BfV) and the National Intelligence Service of the Republic of Korea (NIS) warn about Kimsuky's use of Chrome extensions to steal target's Gmail emails.

Kimsuky (aka Thallium, Velvet Chollima) is a North Korean threat group that uses spear phishing to conduct cyber-espionage against diplomats, journalists, government agencies, university professors, and politicians. Initially focused on targets in South Korea, the threat actors expanded operations over time to target entities in the USA and Europe.