DisclosureLens
GLOBALMalwareEducationEducationRansomwareInc RansomRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

Pierce County Library System

bd_5b40e5aa1a010f51 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Apr 21, 2025

To disclose

—

Affected

Not disclosed

Linked

6 records

Confidence

50%
Full breach record for Pierce County Library System →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group INC Ransom 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: 2025-05-22
View aggregator listing on ransomware.liveView merged incident timeline

Source: Ransomware.live

Post text · scraped from the leak site

The Pierce County Library System includes 20 libraries in Pierce county. The libraries offer families and children free access to 1 million books, CDs and films, and numerous programs to help kids read and do their homework

Incident timeline — mostly unverified

? — ?

Breach window unknown

Apr 21, 2025

Claim posted

—

Corroborated · see linked filings

This record's own dates cannot anchor compliance clocks; see the linked filings.

Claim → filing

—

Compliance clock

Not assessable

This leak-site claim is one of 6 records about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 233d gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Washington State AGJun 20 · first
Vermont State AG+172d
Maine State AG+172d
Indiana State AG+172d
Massachusetts State AG+173d

Pattern: first filing Jun 20 (WA), last Dec 10 (MA) — a 173-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.