UnknownHealthcareHigh

Ascension Health Alliance

bd_a6331b2f68fc294d · schema v1 · pii pii-v1

Severity

High

Discovered

May 8, 2024

Filed

Feb 3, 2025

To disclose

39 weeks

Affected

5,466,931

Linked

10 filings

Confidence

95%

Full breach record for Ascension Health Alliance →12 incidents on file

Ascension Health reported a data breach to the Oregon Attorney General. The breach was reported on 2025-02-03. The breach occurred during 2/29/2024 - 5/8/2024. The breach was discovered on 5/8/2024. 5,466,931 individuals were affected. Notice was sent on 12/19/2024.

J jump to incidentP pin to compareR raw source

Oregon clock✗ OR AG >45d39 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 69 days

discovery → filing · 39 weeks / 271 days

Feb 29, 2024

Begins

May 8, 2024

Discovered

Feb 3, 2025

Filed

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

California State AGbd_8febdcacf791a2052025-02-03Verified
New Hampshire State AGbd_cea8e043db648dd82025-02-07 · +4dVerified
Oregon State AGbd_87337b5050c1dc472024-12-19 · +46dVerified
California State AGbd_afc6dca482d6c28a2024-12-19 · +46dVerified

Show 5 more filings ↓up to 64d gap

Massachusetts State AGbd_de54a21bf0edc2992024-12-19 · +46dVerified
Delaware State AGbd_f10476fe89d1d25d2024-12-19 · +46dVerified
Washington State AGbd_ffe2ffef268362d82024-12-19 · +46dVerified
Maine State AGbd_ffefbbb101b0be3f2024-12-19 · +46dVerified
Illinois State AGbd_ca4d2ffed869b7032024-12-01 · +64dVerified

Name: Ascension Health Alliance
norm: ascension health alliance
Domain: ascension.org

Name: Ascension Health Alliance
norm: ascension health alliance
Domain: ascension.org

Discovered: May 8, 2024
Breach occurred: Feb 29, 2024 – May 8, 2024
Undetected for: 69 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 19, 2024
Affected individuals: 5,466,931nationwide
Data types: —
Attack vector: Unknown

Time to disclose: 39 weeks(271 days from discovery to filing)
Compliance flags: OR AG >45d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 8 states

View merged incident ↗

Illinois State AGDec 1 · first

Oregon State AG+18d

California State AG+18d

Massachusetts State AG+18d

Delaware State AG+18d

Washington State AG+18d

Maine State AG+18d

California State AG+64d

Oregon State AG+64d · this page

New Hampshire State AG+68d

Pattern: first filing Dec 1 (IL), last Feb 7 (NH) — a 68-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://justice.oregon.gov/consumer/DataBreach/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 3, 2025
Raw hash: 0c170b3318aa19b5815309b4d2c446195c67ca96369cf4041ef2443dce7ea62b

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityAscension Health Alliance

Victim entityAscension Health Alliance

Incidentdiscovered May 8, 2024

ComplianceOR AG >45d

Extraction provenanceno artifact recorded

Source provenancejustice.oregon.gov