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GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareSarcomaRansom DemandedActor NamedMedium

Wisper Reimer Ingenieure GmbH

bd_fc6035e55d7d4bab · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Feb 11, 2025

To disclose

—

Affected

Not disclosed

Confidence

50%
Full breach record for Wisper Reimer Ingenieure GmbH →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Sarcoma 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: 2025-02-11

Source: Ransomware.live

Post text · scraped from the leak site

Wisper Reimer Ingenieure GmbH Many different requirements for technical planning, which is geared towards people's comfort and safety, come together under one roof. With an experienced and future-oriented team, we are able to meet all of these planning requirements. We work across trades and thus enable you to receive the best possible planning and project support in the field of technical building equipment.Geo: architectural,engineering and related services - Leak size: 166 GB Archive - Contains: Files, SQL, Exchange

Incident timeline — mostly unverified

? — ?

Breach window unknown

Feb 11, 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 2024-07-09

sarcoma

According to ransomware.live, Sarcoma is a ransomware group that debuted in October 2024, immediately ranking among the top three most active groups globally and surpassing 116 documented victims by mid-2025, targeting mid-market companies across manufacturing, retail, healthcare, legal, and business services with roughly 50% of victims in the United States.

144 tracked hereFull profile →