Appalachian Regional Commission
bd_fd86c5fa76b5eb3e · schema v1 · pii pii-v1
Full breach record for Appalachian Regional Commission →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.
Source: Ransomware.live
Post text · scraped from the leak site
Appalachian Regional Commission is an economic development agency of the federal government and 13 state governments focusing on 423 counties across the Appalachian Region. Appalachian Regional Commission corporate office is located in 1666 Connecticut Ave NW Ste 700, Washington, District of Columbia, 20009, United States and has 110 employees.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Apr 10, 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?Ransomware claims (1)
- Leak Sitemedusabd_3b6377441539e4122025-04-24 · +14dVerified by operator
Regulatory filings (6) · sorted by filing gap
- Maine State AGbd_07c7c538d3cc209a2025-07-15 · +96dCandidate
- Nebraska State AGbd_0c6bfea17a31825a2025-07-15 · +96dVerified
- Vermont State AGbd_1a0a528fe9e9caed2025-07-15 · +96dVerified by operator
- Indiana State AGbd_c52276d3217148ad2025-07-15 · +96dVerified by operator
Show 2 more filings ↓Show fewer ↑up to 97d gap
- Massachusetts State AGbd_e3bc9e8c6362efb82025-07-15 · +96dVerified by operator
- New Hampshire State AGbd_465cb0871721c5572025-07-16 · +97dVerified
Filing propagation · 7 filings · 6 states
View merged incident ↗Pattern: first filing Apr 10, last Jul 16 (NH) — a 97-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.
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.