DisclosureLens
HackingHealthcareHealthcareStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Health (basic)PHILowContained

OSF HEALTHCARE SYSTEM

bd_08d288f3d1ac951e · schema v1 · pii pii-v1

Severity

Low

Discovered

May 20, 2020

Filed

Oct 19, 2020

To disclose

22 weeks

Affected

6state residents only

Linked

9 filings

Confidence

66%
Full breach record for OSF HEALTHCARE SYSTEM10 incidents on file

OSF 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.

Incident timeline

undetected · 103 days
discovery → filing · 22 weeks / 152 days

Feb 7, 2020

Begins

May 20, 2020

Discovered

Oct 19, 2020

Filed

vs. sector median

+9 wks slower

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (7) · sorted by filing gap

Show 3 more filingsup to 2109d gap

Filing propagation · 8 filings · 3 states

View merged incident ↗
HHS OCROct 19 · first
Montana State AGOct 19 · first · this page
HHS OCR+347d

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

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.