CHESAPEAKE BAY MARITIME MUSEUM, INC.
bd_084b3f6ff08b8729 · schema v1 · pii pii-v1
Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Helldown 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
J jump to incidentP pin to compareR raw source
Incident timeline — mostly unverified
? — ?
Breach window unknown
Aug 9, 2024
Claim posted
—
Corroborated · see linked filings
This record's own dates cannot anchor compliance clocks; see the linked filings.
Claim → filing
—
Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (6) · sorted by filing gap
- Indiana State AGbd_95889a4552aa6e8e2025-12-30 · +508dVerified by operator
- Vermont State AGbd_bd6122882e7077932025-12-30 · +508dVerified by operator
- Maine State AGbd_17c0f72b065554762026-01-05 · +514dVerified by operator
- Massachusetts State AGbd_aacb680b71728cc02026-01-05 · +514dVerified
Show 2 more filings ↓Show fewer ↑up to 514d gap
- Vermont State AGbd_ce8cea50b233d3d22026-01-05 · +514dVerified by operator
- New Hampshire State AGbd_e9629af8d682f7a02026-01-05 · +514dVerified by operator
Filing propagation · 6 filings · 5 states
View merged incident ↗Pattern: first filing Dec 30 (IN), last Jan 5 (NH) — a 6-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.
helldown
According to ransomware.live, Helldown is an aggressive ransomware group first documented in August 2024, known for exploiting Zyxel firewall vulnerabilities to gain initial access and conducting large-scale data exfiltration averaging 70 GB per victim, targeting IT services, telecommunications, manufacturing, and healthcare primarily in the US.