DisclosureLens
GLOBALUnknownRansomwareInterlockLow

Siegel Group

bd_a95f99b766916574 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Feb 2, 2025

To disclose

—

Affected

Not disclosed

Linked

8 records

Confidence

60%
Full breach record for Siegel Group →

Press / market disclosure — not a breach-notification filing

A media or market posting that confirms an incident but carries no breach-notification fields, so compliance clocks aren't assessable. The summary below is extracted from the coverage — verify against the source.

The Siegel Group Announces Data Breach Following Early 2025 Cyberattack | Console and Associates, P.C. - JDSupra. The Siegel Group: The Siegel Group announced a data breach following a cyberattack in early 2025, resulting in unauthorized access to sensitive consumer information, including Social Security numbers, dates of birth, and medical information. The investigation revealed that unauthorized access occurred between January 28 and February 2, 2025. Data breach notification letters were sent to affected individuals on March 31, 2025. Linked ransomware group: interlock.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Feb 2, 2025

Press report

—

Corroborated · see linked filings

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

Attack → press

—

Compliance clock

Not assessable

This press report is one of 8 records about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (2)

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 445d gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Vermont State AGMar 31 · first
Indiana State AGMar 31 · first
Maine State AG+1d
Massachusetts State AG+1d
Maryland State AG+388d

Pattern: first filing Mar 31 (VT), last Apr 23 (MD) — a 388-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market reportThis record

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

  • incident type + narrative only (may be machine-translated)
  • discovery date
  • materiality
  • affected count
  • data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2023-12-01

interlock

According to ransomware.live, Interlock is a ransomware group first observed in September 2024 that targets critical infrastructure sectors including healthcare, government, education, and technology across North America and Europe using double-extortion, with 57+ claimed victims including a major US dialysis provider exposing over two million patient records.

141 tracked hereFull profile →