DisclosureLens
GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareAposRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

ACMARK

bd_8ed11be7b82a08e7 · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Jun 24, 2025

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for ACMARK2 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Apos 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: Business ServicesDiscovered: 2025-08-15

Source: Ransomware.live

Post text · scraped from the leak site

ACMARK s.r.o. was established in 2009 and its mission is to provide high-quality consulting services designed to support the marketing and business processes in organizations. To support these activities and processes our company supplies globally tested information technology which helps our customers successfully develop their own activities and reach the maximum possible profitability.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jun 24, 2025

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 2024-04-26

apos

According to ransomware.live, Apos is a data-broker extortion group that surfaced in April 2024, focusing on data exfiltration and threatening to publish or sell stolen information rather than encrypting files, targeting technology, healthcare, manufacturing, telecom, and government sectors across multiple countries.

16 victims claimed globally16 tracked hereFull profile →