MalwareHealthcareHealthcareRansomwareData EncryptedCustomer Data InvolvedEmployee Data InvolvedPHIIdentity (basic)Government IDHealth (basic)Financial accountMinorMediumContained

NORTON HEALTHCARE, INC.

bd_434c49c9d0403911 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 9, 2023

Filed

Dec 8, 2023

To disclose

30 weeks

Affected

Not disclosed

Linked

12 filings

Confidence

65%

Full breach record for NORTON HEALTHCARE, INC. →

Norton Healthcare, Inc. experienced a ransomware attack discovered on May 9, 2023. Unauthorized access to network storage devices occurred between May 7 and May 9, 2023. Affected data included PHI, PII (SSN, DOB, contact info), financial account numbers, and government IDs for patients, employees, and dependents. Norton Healthcare notified federal law enforcement, engaged forensic experts, terminated access, and offered two years of identity monitoring via Kroll.

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Leak gap clock✗ Leak >180d30 weeks discovery → filing

Incident timeline

undetected · 2 days

discovery → filing · 30 weeks / 213 days

May 7, 2023

Begins

May 9, 2023

Discovered

Dec 8, 2023

Filed

vs. sector median

+18 wks slower

This filing is one of 12 about the same incident.View merged incident

A leak claim by alphv about this victim predates this filing by 197 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitealphvbd_200f7e5d5a5d687c2023-05-25 · +197dVerified by operator

Regulatory filings (9) · sorted by filing gap

Maine State AGbd_0881b4fc047b0f642023-12-08Verified
Montana State AGbd_426bccd437fdbc352023-12-08Verified
Washington State AGbd_64845bb10ad9fa4e2023-12-08Verified
South Carolina State AGbd_6bc5c9b6118928e92023-12-08Verified

Show 5 more filings ↓up to 154d gap

Massachusetts State AGbd_b11b07c1a24ec22e2023-12-08Verified
Vermont State AGbd_ec812b620ee89de82023-12-08Verified
New Hampshire State AGbd_8ea130c0a23300942023-12-11 · +3dVerified
Oregon State AGbd_7bb3ea95da317ae32023-12-13 · +5dVerified
HHS OCRbd_24b4a063f740cc5a2023-07-07 · +154dCandidate

Showing first 10 of 11 linked disclosures.

Name: NORTON HEALTHCARE, INC.
norm: norton healthcare
Domain: nortonhealthcare.com

Name: NORTON HEALTHCARE, INC.
norm: norton healthcare
Domain: nortonhealthcare.com
Industry: Healthcarellm

Discovered: May 9, 2023
Breach occurred: May 7, 2023 – May 9, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PHIIdentity (basic)Government IDHealth (basic)Financial accountMinor
Data elements: Date of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcement

During the incident: Notified federal law enforcement
Began investigating this incident with the assistance of a respected forensic security provider
Worked with external cybersecurity experts to terminate the unauthorized access
Retained Kroll to provide two years of identity monitoring services at no cost
Changes made: Enhancing its security safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(213 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 10 states

View merged incident ↗

HHS OCRJul 7 · first

Maine State AG+154d

Montana State AG+154d

Washington State AG+154d

South Carolina State AG+154d

Massachusetts State AG+154d

Vermont State AG+154d

California State AG+154d · this page

New Hampshire State AG+157d

Oregon State AG+159d

Pattern: first filing Jul 7 (KY), last Dec 13 (OR) — a 159-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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://oag.ca.gov/ecrime/databreach/reports/sb24-577640
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 8, 2023
Raw hash: 36293e7ce1d4c0f5dfd68e4845a02d5e58405c45f743722e67643289d029b356

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityNORTON HEALTHCARE, INC.

Victim entityNORTON HEALTHCARE, INC.

Incidentdiscovered May 9, 2023

Stated responseNotified federal law enforcement

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov