UNC5792, UNC4221
Unknown Dormant
- Mentions
- 1
- First seen
- 29 Jun 2026
- Last seen
- 29 Jun 2026
Relevant to you · Relevant
- Threat focus:
- espionage / apt
Origin
Unattributed
Profile
UNC5792 and UNC4221 are believed to be Russian state-sponsored hacking groups. They have been linked to attacks targeting messaging apps. The US has offered a $10 million bounty for information on these hackers. The attacks continue to evolve.