DisclosureLens
GLOBALMalwareGovernmentGovernmentRansomwareArcusmediaRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

ARDA GmbH

bd_847e321de489348a · schema v1 · pii pii-v2

Severity

High

Discovered

Filed

Sep 16, 2026

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for ARDA GmbH

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Arcusmedia on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: Government & DefenseDiscovered: 2026-09-16

Source: Ransomware.live

Post text · scraped from the leak site

Arda.or.th—The Agricultural Research Development Agency (Public Organization) serves as a Deadline: 2026-09-23 13:09:00.000000

Incident timeline — mostly unverified

? — ?

Breach window unknown

Sep 16, 2026

Claim posted

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2024-05-08

arcusmedia

According to ransomware.live, Arcus Media is a ransomware-as-a-service group that emerged in May 2024, employing double extortion with ChaCha20 + RSA-2048 encryption and recruiting affiliates via a referral-based vetting process, claiming 50+ victims across manufacturing, healthcare, retail, and business services globally.

110 victims claimed globally110 tracked hereFull profile →