German and South Korean Agencies Warn of Kimsuky’s Expanding Cyber Attack Tactics

German and South Korean government agencies have warned about cyber attacks mounted by a threat actor tracked as Kimsuky using rogue browser extensions to steal users’ Gmail inboxes.
The joint advisory comes from Germany’s domestic intelligence apparatus, the Federal Office for the Protection of the Constitution (BfV), and South Korea’s National Intelligence Service of the Republic of Korea (NIS