DisclosureLens
GLOBALMalwareEducationEducationRansomwareInc RansomRansom DemandedActor NamedMedium

Pierce County Library System

bd_0b3e1f1fba96601d · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 18, 2025

To disclose

—

Affected

Not disclosed

Linked

6 filings

Confidence

50%
Full breach record for Pierce County Library System →3 incidents on file

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 18, 2025

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 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 4 states

View merged incident ↗
Leak SiteApr 18 · first · this page
Vermont State AG+235d
Maine State AG+235d
Indiana State AG+235d
Massachusetts State AG+236d

Pattern: first filing Apr 18, last Dec 10 (MA) — a 236-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.