DisclosureLens
GLOBALUnknownRansomwareInterlockLow

Lexington & Richland County School District Five

bd_d3edcdf75cb2f6bf · schema v1 · pii pii-v1

Severity

Low

Discovered

Filed

Jun 5, 2025

To disclose

Affected

Not disclosed

Linked

7 filings

Confidence

60%
Full breach record for Lexington & Richland County School District Five

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.

Bonuses for Lexington-Richland School District Five employees delayed due to cyberattack, district says. Lexington-Richland School District Five: The Lexington-Richland School District Five suffered a major cyberattack, which delayed retention bonuses for employees. The district launched an investigation and is working with law enforcement and third-party specialists to determine the nature and extent of the incident. Employees were informed that retention payments will not be made on June 6, 2025, as planned. Linked ransomware group: interlock.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jun 5, 2025

Press report

Corroborated · see linked filings

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

Attack → press

Compliance clock

Not assessable

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

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Show 1 more filingup to 90d gap

Filing propagation · 6 filings · 5 states

View merged incident ↗

Pattern: first filing Jun 5, last Sep 3 (SC) — a 90-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.

127 tracked hereFull profile →