HOMETHREATSCallisto
APT / THREAT GROUP

Callisto

🇷🇺Russia-attributed
1
campaigns
11
aliases
Last seen:Mar 17, 2026

Intelligence Profile

The Callisto Group is an advanced threat actor whose known targets include military personnel, government officials, think tanks, and journalists in Europe and the South Caucasus. Their primary interest appears to be gathering intelligence related to foreign and security policy in the Eastern Europe and South Caucasus regions.

Threat Analysis

Callisto is a known-sophistication threat actor attributed to Russia, engaged in cyber operations with a primary motivation of unknown activity patterns.

Known Campaigns

Callisto — Active Operations March 2026

Callisto is a unknown-motivation threat actor attributed to Russia. The Callisto Group is an advanced threat actor whose known targets include military personnel, government officials, think tanks, and journalists in Europe and the South Caucasus. Their primary interest appears to be gathering intelligence related to foreign and security policy i...

ACTIVEMEDIUM2026

Intelligence Reports Mentioning Callisto

External References

Quick Facts

TypeAPT / Threat Group
Origin🇷🇺 Russia
Aliases11
SourceMalpedia

Also Known As

SEABORGIUMBlueCharlieUNC4057TA446Star BlizzardTAG-53CallistoIRON FRONTIERBlue CallistoCOLDRIVERGOSSAMER BEAR

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
Callisto — APT / Threat Group | Threat Intelligence | CTIWATCH.COM