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Threat actor

Epsilon

Last fetched

Epsilon is a threat actor tracked in WhisperGraph's MITRE ATT&CK corpus, observed using 0 techniques.

Description

Epsilon is a Barcelona-based cybersecurity company specializing in developing exploits and targeting the American market. Founded by a group of elite researchers formerly linked to the Australian firm Azimuth, which was acquired by U.S. defense contractor L3Harris, Epsilon is led by a French researcher Jeremy Fetiveau (who used to work for L3Harris Trenchant) and also involves two Israeli partners, the founders of Bindecy, a lesser-known Israeli spyware firm. Epsilon focuses on creating spyware tools tailored to the needs of intelligence agencies and law enforcement, specifically for clients demanding exclusive, custom-built solutions rather than off-the-shelf spyware.

Techniques by tactic

No ATT&CK techniques are recorded for Epsilon in WhisperGraph.

Attributed infrastructure

None published. WhisperGraph carries no ATTRIBUTED_TO edge to Epsilon today — this states the absence of a published link, not that Epsilon has no infrastructure.

References

© The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.

Related pages

Pivot from Epsilon into its techniques, tactics and any attributed infrastructure.

Queries

Resolves the slug to this actor, merging every duplicate node sharing the same name.


MATCH (a:ACTOR)
WHERE a.name =~ $pattern OR any(x IN a.aliases WHERE x =~ $pattern)
RETURN a.id AS id, a.name AS name, a.aliases AS aliases, a.description AS description,
       a.references AS references, a.campaigns AS campaigns
LIMIT 25
Run yourself →

Techniques this actor uses, grouped by the tactic each one serves.


MATCH (a:ACTOR {name: $name})-[:USES_TECHNIQUE]->(t:ATTACK_PATTERN)
OPTIONAL MATCH (t)-[:USES_TACTIC]->(tac:ATTACK_PATTERN)
RETURN t.id AS techniqueId, t.name AS techniqueName, tac.id AS tacticId, tac.name AS tacticName
LIMIT 1000
Run yourself →

Infrastructure publicly attributed to this actor.


MATCH (n)-[:ATTRIBUTED_TO]->(a:ACTOR {name: $name})
RETURN labels(n)[0] AS kind, n.name AS name
LIMIT 25
Run yourself →

Or query Whisper from your own LLM workflow via the Whisper MCP server.