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

3 filings

Confidence

66%

Full breach record for OSF HEALTHCARE SYSTEM →10 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.

J jump to incidentP pin to compareR raw source

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

+13 wks slower

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

HHS OCRbd_83807d832a08bc802020-10-19Candidate
Illinois State AGbd_c1f6a763096f9a8c2020-01-01 · +292dCandidate

Name: OSF HEALTHCARE SYSTEM
norm: osf healthcare system

Name: OSF HEALTHCARE SYSTEM
norm: osf healthcare system
Industry: Healthcarellm

Discovered: May 20, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 103 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 6state-resident count only
Data types: PIIIdentity (basic)Health (basic)PHI
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Third party: via Blackbaud, Inc.
Initial access: valid_credentials

During the incident: Notifying affected individuals
Assessing the security safeguards at Blackbaud
Evaluating the data elements that are stored by vendors
Changes made: Evaluating the data elements that are stored by vendors and the steps that are needed to protect the information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(152 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 2 states

View merged incident ↗

Illinois State AGJan 1 · first

HHS OCR+292d

Montana State AG+292d · this page

Pattern: first filing Jan 1 (IL), last Oct 19 (MT) — a 292-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.

Source URL: https://dojmt.gov/wp-content/uploads/OSF-Notif.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 19, 2020
Raw hash: a403b2e3ffe5474dd330bbaa0967fa479f8223eec9d345e6a6094ebce7100b18

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityOSF HEALTHCARE SYSTEM

Victim entityOSF HEALTHCARE SYSTEM

Incidentdiscovered May 20, 2020

Stated responseNotifying affected individuals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov