DisclosureLens
GLOBALMalwareRansomwareBlackshrantacRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

simsekas, Inc

bd_dc655db1a62058bf · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Nov 13, 2025

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for simsekas, Inc

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Blackshrantac 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: Not FoundDiscovered: 2025-11-13

Source: Ransomware.live

Incident timeline — mostly unverified

? — ?

Breach window unknown

Nov 13, 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 2025-09-17

blackshrantac

According to ransomware.live, BlackShrantac is a ransomware group that emerged in late 2025, targeting organizations in manufacturing, financial services, technology, and the public sector globally, employing double-extortion combined with living-off-the-land techniques to weaponize legitimate tools and disable defenses before encrypting files.

43 victims claimed globally43 tracked hereFull profile →