DisclosureLens
GLOBALMalwareGovernmentGovernmentRansomwareMedusaRansom DemandedActor NamedMedium

North Los Angeles County Regional Center

bd_46c8a44e39875c25 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Dec 12, 2024

To disclose

—

Affected

Not disclosed

Linked

6 filings

Confidence

50%
Full breach record for North Los Angeles County Regional Center →4 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Medusa 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: 2024-12-15
View aggregator listing on ransomware.liveView merged incident timeline

Source: Ransomware.live

Post text · scraped from the leak site

North Los Angeles County Regional Center - the company provides legal support for persons with developmental disabilities. North Los Angeles County Regional Center corporate office is located in 9200 Oakdale Ave Ste 100, Chatsworth, California, 91311, United States and has 360 employees. The total amount of data leakage is 600.8 GB

Incident timeline — mostly unverified

? — ?

Breach window unknown

Dec 12, 2024

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?

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 564d gap

Filing propagation · 6 filings · 3 states

View merged incident ↗
Leak SiteDec 12 · first · this page
California State AG+24d
HHS OCR+24d
California State AG+564d
Massachusetts State AG+564d
Indiana State AG+564d

Pattern: first filing Dec 12, last Jun 30 (IN) — a 564-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 2023-01-11

medusa

According to ransomware.live, Medusa is a ransomware-as-a-service operation active since June 2021 that has targeted over 300 victims across critical infrastructure sectors including healthcare, education, legal, and manufacturing using double-extortion, with attacks surging 42% between 2023 and 2024 and a formal CISA advisory issued in early 2025.

565 tracked hereFull profile →