JumpCloud hack linked to North Korea after OPSEC mistake
A hacking unit of North Koreas Reconnaissance General Bureau (RGB) was linked to the JumpCloud breach after the attackers made an operational security (OPSEC) mistake, inadvertently exposing their real-world IP addresses.
North Korea P Yongyang Si North Korean Austin Larsen Reconnaissance General Bureau Operational Relay Boxes
Source: bleepingcomputer.com