DisclosureLens
GLOBALMalwareEducationEducationRansomwareLockBit 3.xRansom DemandedActor NamedData Leak ThreatenedData PublishedOFAC SanctionedCritical

Misbourne

bd_a413314f2bc53e4e · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Jan 24, 2024

To disclose

—

Affected

Not disclosed

Confidence

50%

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group LockBit 3.x 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.

Sanctions caution: LockBit 3.x carries US sanctions exposure — OFAC has designated the group or its operators. Public reporting is permitted (informational-materials exemption, 50 U.S.C. § 1702(b)(3)) — but any payment or material support may violate sanctions. Consult counsel before engaging.

Group activity: EducationDiscovered: 2024-02-05

Source: Ransomware.live

Post text · scraped from the leak site

The Misbourne is a secondary school in Great Missenden, Buckinghamshire. It is an Academy which takes children from the age of 11 through to the age of 19.We have students data, bank details, salary data, HR data, many confidential agreements, et...

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jan 24, 2024

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.

Misbourne data breach claim (2024) — unverified leak-site allegation · DisclosureLens