HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedData EncryptedIdentity (basic)Government IDPHIHealth (basic)Financial accountMediumContained

DAVITA INC.

bd_3ea45d37c7fc5963 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Apr 12, 2025

Filed

Aug 1, 2025

To disclose

—

Affected

Not disclosed

Linked

10 filings

Confidence

65%

Full breach record for DAVITA INC. →7 incidents on file

DaVita Inc. notified Nebraska AG of a breach affecting dialysis lab records. Unauthorized access occurred March 24–April 12, 2025. Data included PII (SSN, DOB), PHI (clinical/dialysis data), and financial info. DaVita engaged forensic experts, notified law enforcement, and offered credit monitoring. Incident contained April 12, 2025.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d

Incident timeline

undetected · 19 days

Mar 24, 2025

Begins

Apr 12, 2025

Discovered

Aug 1, 2025

Filed

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

A leak claim by interlock about this victim predates this filing by 111 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinterlockbd_3622174d2cca4bd72025-04-12 · +111dVerified by operator

Regulatory filings (8) · sorted by filing gap

Montana State AGbd_0dbf28f1535d38bc2025-08-01Verified
HHS OCRbd_481b17d7ad14233c2025-08-01Verified by operator
South Carolina State AGbd_5facf976ddce74892025-08-01Verified by operator
Oregon State AGbd_7bfa0289228386bc2025-08-01Verified

Show 4 more filings ↓up to 109d gap

Washington State AGbd_e1166f59c017b8252025-08-01Verified by operator
Massachusetts State AGbd_f2d4b9ddac21884f2025-08-01Verified by operator
Texas State AGbd_ebb844d725a949772025-08-04 · +3dVerified
SEC 8-Kbd_497d2fc88c2cbfe22025-04-14 · +109dVerified by operator

Name: DAVITA INC.
norm: davita
Domain: davita.com

Name: DAVITA INC.
norm: davita
Domain: davita.com
Industry: Healthcarellm

Discovered: Apr 12, 2025
Breach occurred: Mar 24, 2025 – Apr 12, 2025
Undetected for: 19 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 18, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDPHIHealth (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Initiated incident response protocols
Eradicated the unauthorized party from our systems
Engaged third-party forensic experts
Reported the incident to law enforcement
Cooperate with them in their investigation
Deploying additional security monitoring tools and enhanced system controls
Changes made: Deploying additional security monitoring tools and enhanced system controls
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >90d
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 · 9 filings · 8 states

View merged incident ↗

SEC 8-KApr 14 · first

Montana State AG+109d

HHS OCR+109d

South Carolina State AG+109d

Oregon State AG+109d

Washington State AG+109d

Massachusetts State AG+109d

Nebraska State AG+109d · this page

Texas State AG+112d

Pattern: first filing Apr 14, last Aug 4 (TX) — a 112-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://nebraska.gov/ago/data-breach/documents/41be9f2f-e74a-4b12-ba96-249c7b1b7278.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 1, 2025
Raw hash: 5a3c0f80c5173b262c59942c2e68b2da83164755c3b1eacf52b551e03fa2b9e5

Linked disclosures

Ransomware claims (1)

Regulatory filings (8) · sorted by filing gap

Reporting entityDAVITA INC.

Victim entityDAVITA INC.

Incidentdiscovered Apr 12, 2025

Stated responseInitiated incident response protocols

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov