HackingTechnologyFinancial ServicesInformationStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountCredentialsCriticalContained

Ascension Health Alliance

bd_f10476fe89d1d25d · schema v1 · pii pii-v1

Severity

Critical

Discovered

Dec 30, 2023

Filed

Dec 19, 2024

To disclose

51 weeks

Affected · nationwide

5,599,699606 in this filing

Linked

10 filings

Confidence

66%

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

Doxim Inc., a third-party service provider for Ascension, experienced a security incident on December 30, 2023, involving unauthorized access to files containing personal information. The breach affected approximately 5.6 million individuals nationwide, including 606 Delaware residents. Data exposed included names, addresses, SSNs, and financial account details. Doxim took systems offline, notified law enforcement, and engaged forensic experts. Affected individuals are offered 12 months of credit monitoring via Kroll.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 51 weeks / 355 days

Dec 30, 2023

Begins

Dec 30, 2023

Discovered

Dec 19, 2024

Filed

vs. sector median

+32 wks slower

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

Oregon State AGbd_87337b5050c1dc472024-12-19Verified
California State AGbd_afc6dca482d6c28a2024-12-19Verified
Massachusetts State AGbd_de54a21bf0edc2992024-12-19Verified
Washington State AGbd_ffe2ffef268362d82024-12-19Verified

Show 5 more filings ↓up to 50d gap

Maine State AGbd_ffefbbb101b0be3f2024-12-19Verified
Illinois State AGbd_ca4d2ffed869b7032024-12-01 · +18dVerified
California State AGbd_8febdcacf791a2052025-02-03 · +46dVerified
Oregon State AGbd_a6331b2f68fc294d2025-02-03 · +46dVerified
New Hampshire State AGbd_cea8e043db648dd82025-02-07 · +50dVerified

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

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

Discovered: Dec 30, 2023
Breach occurred: Dec 30, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 19, 2024
Affected individuals: 5,599,699state + nationwide
Data types: Identity (basic)Government IDFinancial accountCredentials
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Third party: via Doxim Inc.
Initial access: valid_credentials

During the incident: Took systems offline
Notified law enforcement
Engaged industry-leading cybersecurity experts to investigate
Supporting federal law enforcement’s criminal investigation
Working with cybersecurity experts to fortify cybersecurity defenses
Retained a third-party service to monitor online forums and marketplaces
Changes made: Offering 12 months of complimentary credit monitoring and identity protection services through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 51 weeks(355 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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

Washington State AG+18d

Maine State AG+18d

Delaware State AG+18d · this page

California State AG+64d

Oregon State AG+64d

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://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2024/12/Example-Individual-Notice.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 19, 2024
Raw hash: c609c7da7bb799a353717d874c010292adb34cbe358d069d3593043377aed533

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityAscension Health Alliance

Victim entityAscension Health Alliance

Incidentdiscovered Dec 30, 2023

Stated responseTook systems offline

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceattorneygeneral.delaware.gov