DisclosureLens
GLOBALMalwareEducationEducationRansomwareBlackSuitRansom DemandedActor NamedMedium

Tucson Unified School District

bd_69f37fdd1fab1753 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Feb 10, 2023

To disclose

Affected

Not disclosed

Linked

7 filings

Confidence

50%
Full breach record for Tucson Unified School District

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group BlackSuit (formerly Royal) 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: EducationDiscovered: 2023-02-10

Source: Ransomware.live

Post text · scraped from the leak site

Education · Arizona, United States · 6,208 EmployeesFounded in 1867, the Tucson Unified School District is headquartered in Tucson, Arizona.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Feb 10, 2023

Claim posted

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Show 2 more filingsup to 199d gap

Filing propagation · 7 filings · 6 states

View merged incident ↗

Pattern: first filing Feb 10, last Aug 29 (NH) — a 199-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.

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 2023-06-12

blacksuit

According to ransomware.live, According to Trend Micro, this ransomware has significant code overlap with Royal Ransomware.

430 tracked hereFull profile →