UnknownHealthcareHealthcareHighContained

Ascension Health Alliance

bd_cea8e043db648dd8 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Feb 7, 2025

To disclose

—

Affected

5,466,931

Confidence

69%

Full breach record for Ascension Health Alliance →8 incidents on file

Supplemental notice from Ascension Health to the New Hampshire Attorney General regarding a data security incident. Ascension notified 645 NH residents and approximately 5.47 million individuals nationwide. The filing supplements a prior letter from December 19, 2024. Incident details and data types are not specified in this correspondence.

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Incident timeline — partial

? — ?

Breach window unknown

Feb 7, 2025

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed5,466,931 affectedView incident

Name: KIRKLAND & ELLIS LLP
norm: kirkland ellis
Domain: kirkland.com

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

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 5,466,931state + nationwide
Data types: —
Attack vector: Unknown

During the incident: Finalized its analysis of affected data
Completed mailing notice to applicable individuals
Notified approximately 645 New Hampshire residents of the security incident via United States Postal Service mail
Notified approximately 5,466,931 individuals nationwide of the incident
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://mm.nh.gov/files/uploads/doj/remote-docs/ascension-health-20250207.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 7, 2025
Raw hash: c77e44148ae6f5f3a469572cb10a6136c5a8dc36b1adff597aae810a5e18aa53

Reporting entityKIRKLAND & ELLIS LLP

Victim entityAscension Health Alliance

IncidentUnknown

Stated responseFinalized its analysis of affected data

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov