Lexington & Richland County School District Five
bd_0114b40927dd6457 · schema v1 · pii pii-v1
Full breach record for Lexington & Richland County School District Five →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Interlock 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.
Source: Ransomware.live
Post text · scraped from the leak site
School District Five of Lexington & Richland Counties, commonly referred to as District Five, was organized by action of the Lexington County Board of Education in 1951 and the Richland County Board of Education in 1952. The school district has three attendance areas: Chapin, Dutch Fork, and Irmo. District Five operates elementary schools, intermediate schools, middle schools, high schools, a Center for Advanced Technical Studies and an alternative school.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Jun 24, 2025
Claim posted
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Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (6) · sorted by filing gap
- Pressinterlockbd_d3edcdf75cb2f6bf2025-06-05 · +19dCandidate
- Indiana State AGbd_3a3e2413d556ce502025-08-29 · +66dVerified
- Nebraska State AGbd_d7b5f2161da039db2025-08-29 · +66dVerified by operator
- Maine State AGbd_a60809c6d9840e292025-09-02 · +70dVerified by operator
Show 2 more filings ↓Show fewer ↑up to 71d gap
- Vermont State AGbd_ae83edfce1761d092025-09-02 · +70dVerified
- South Carolina State AGbd_5b524b62ca4f7b552025-09-03 · +71dVerified
Filing propagation · 7 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
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
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.
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.