DisclosureLens
GLOBALMalwareTechnologyInformationRansomwareBlacknevasRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

SISTRAN Consultores

bd_7604e027a9cd27c5 · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Sep 1, 2025

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for SISTRAN Consultores

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Blacknevas 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: TechnologyDiscovered: 2025-09-01

Source: Ransomware.live

Post text · scraped from the leak site

538k files1.1TBlisting data https://gofile.io/d/r8a9GVThe company specializes in providing IT services, software development, and consulting solutions, primarily focused on the insurance industry.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Sep 1, 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 2023-04-24

blacknevas

According to ransomware.live, BlackNevas is a ransomware group first observed in November 2024, believed to be derived from the Trigona ransomware family, targeting telecommunications, manufacturing, medical, and legal industries primarily in Asia-Pacific, the UK, Italy, and Lithuania using double-extortion with a dual AES/RSA encryption scheme.

48 tracked hereFull profile →