OSF HEALTHCARE SYSTEM
bd_08d288f3d1ac951e · schema v1 · pii pii-v1
Full breach record for OSF HEALTHCARE SYSTEM →10 incidents on fileOSF HealthCare System notified Montana residents of a third-party vendor breach involving Blackbaud, Inc. An unauthorized individual accessed Blackbaud's systems between Feb 7 and May 20, 2020, potentially obtaining backup databases containing patient PII and PHI. SSNs and financial data were encrypted and not accessed.
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Incident timeline
Feb 7, 2020
Begins
May 20, 2020
Discovered
Oct 19, 2020
Filed
vs. sector median
+9 wks slower
Linked disclosures
Why this link?Ransomware claims (1)
- Leak Sitexinglockerbd_f8ace411af1e1abf2021-05-18 · +211dVerified by operator
Regulatory filings (7) · sorted by filing gap
- HHS OCRbd_83807d832a08bc802020-10-19Verified
- Illinois State AGbd_14299358f0ba63fe2021-01-01 · +74dVerified by operator
- Illinois State AGbd_c91f7fe398e530012021-01-01 · +74dVerified by operator
- Montana State AGbd_642aeb97e779372a2021-10-01 · +347dVerified by operator
Show 3 more filings ↓Show fewer ↑up to 2109d gap
- Massachusetts State AGbd_b288deb4577e5ece2021-10-01 · +347dVerified
- HHS OCRbd_bf20565c237987762021-10-01 · +347dVerified by operator
- HHS OCR enforcementbd_7fbc6210e9c1f4d52026-07-29 · +2109dVerified by operator
Filing propagation · 8 filings · 3 states
View merged incident ↗Pattern: first filing Oct 19 (IL), last Jul 29 — a 2109-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.