Threat actors by targeted country

Threat Actors Targeting Estonia.

Brandefense tracks 23 threat actors known to target Estonia. The most documented are Kimsuky, APT28 and Sandworm. The sectors they target most are Government, Finance, and Defense and Aerospace.

Top target sectorsGovernment Finance Defense and Aerospace Ransomware victims in Estonia →

MotivationEspionage Financial Ideology

3 of 3 published profiles shown

Cards Table

Winter VivernRussia

aka UAC-0114 · TA473 · TAG-70 +1

Nation-state APTEspionage

Winter Vivern is a Russia-attributed nation-state APT group with an espionage motive.

aka TA407 · COBALT DICKENS · Mabna Institute +4

Nation-state APTEspionage

Silent Librarian is an Iran-attributed nation-state APT group with an espionage motive.

Nation-state APTEspionage

Cyber Berkut is a Russia-attributed nation-state APT group with an espionage motive.

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FAQ

Common Questions.

Each profile includes the actor's origin, type, active date range, target sectors and countries, MITRE ATT&CK TTPs, related CVEs, malware and tools used, recent campaigns, and motivation. Full IOC feeds and YARA rules are available on the Brandefense platform.
Yes. ATLAS Threat Actors DB covers nation-state APT groups such as Lazarus Group, cybercrime syndicates such as Scattered Spider, and ransomware operations. All profiles are maintained by Brandefense analysts.
IOC feeds, YARA rules, and MITRE ATT&CK navigator exports are available through the full Brandefense platform. Request a demo to get access.

Threat Actors Targeting Estonia.

Common Questions.

What information is in an ATLAS threat actor profile?

Does ATLAS cover both APT groups and ransomware gangs?

How do I get IOC feeds and YARA rules for a specific threat actor?