DisclosureLens
GLOBALMalwareGovernmentGovernmentRansomwareInterlockRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

West Lothian Council

bd_6d9492304e199db4 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Apr 30, 2025

To disclose

—

Affected

Not disclosed

Linked

2 records

Confidence

50%
Full breach record for West Lothian Council →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Interlock 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: Public SectorDiscovered: 2025-05-23

Source: Ransomware.live

Post text · scraped from the leak site

West Lothian Council oversees operations of the West Lothian area in Scottland. The council provides guidance for school, local legislature and economic programs.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Apr 30, 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

This leak-site claim is one of 2 records about the same incident.View merged incident

Linked disclosures

Why this link?

Press reports (1)

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 2023-12-01

interlock

According to ransomware.live, Interlock is a ransomware group first observed in September 2024 that targets critical infrastructure sectors including healthcare, government, education, and technology across North America and Europe using double-extortion, with 57+ claimed victims including a major US dialysis provider exposing over two million patient records.

141 tracked hereFull profile →