Introduction
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.
Activities and Tactics
Targeted Sectors: Government Administration, Military, Think Tanks, Journalist
Country of Origin: 🇷🇺 Russia
Notable Campaigns
Information pending cataloguing.
Tactics, Techniques, and Procedures (TTPs)
Information pending cataloguing.
Notable Indicators of Compromise (IOCs)
No curated IOCs are currently published for this actor. This section will be updated when stable, attributable indicators are available.
Malware and Tools
Information pending cataloguing.
Attribution and Evidence
Country of Origin: Russia Additional attribution information pending cataloguing.
References
References pending cataloguing.
Recent News
Latest articles from security news feeds mentioning this actor.
- Russia’s Star Blizzard Ditches ClickFix to Widen Phishing Net DarkReading — 2026-09-30
- Russia’s Star Blizzard Targets 100+ Organizations With Fake Event Invites to Deliver Backdoor The Hacker News — 2026-09-29