Colorado Health Network Inc
bd_8a4166887c3f7c7d · schema v1 · pii pii-v1
Full breach record for Colorado Health Network Inc →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Cephalus 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
900G+ data coming soon
J jump to incidentP pin to compareR raw source
Incident timeline — mostly unverified
? — ?
Breach window unknown
Aug 28, 2025
Claim posted
—
Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
—
Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (6) · sorted by filing gap
- Indiana State AGbd_8bd8723a721ad87d2026-06-18 · +294dVerified by operator
- HHS OCRbd_8e6a3bfd46ad54482026-06-19 · +295dVerified by operator
- Vermont State AGbd_b783935888d401542026-06-22 · +298dVerified by operator
- New Hampshire State AGbd_e976b45e273a745f2026-06-22 · +298dVerified by operator
Show 2 more filings ↓Show fewer ↑up to 301d gap
- Massachusetts State AGbd_fcbfab18aed37eb42026-06-22 · +298dVerified by operator
- Texas State AGbd_c5c99f68257da4862026-06-25 · +301dVerified by operator
Filing propagation · 7 filings · 6 states
View merged incident ↗Pattern: first filing Aug 28, last Jun 25 (TX) — a 301-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.
cephalus
According to ransomware.live, Cephalus is a ransomware group active from mid-2025 that leverages stolen RDP credentials to deploy a Go-based ransomware payload via DLL sideloading, targeting law firms, healthcare, financial services, and IT firms across the US and Japan with 19 known victims.