DisclosureLens
WISCONSINAccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedHealth (basic)Identity (basic)MediumResolved

Exact Sciences Laboratories LLC

bd_01d9bc6f972b8d7b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Dec 29, 2025

To disclose

Affected

2,658

Confidence

97%
Full breach record for Exact Sciences Laboratories LLC

Exact Sciences Laboratories LLC (WI) reported to HHS on 2025-12-29 an Unauthorized Access/Disclosure affecting 2,658 individuals. An employee mailed PHI to wrong recipients; breached information was on Paper/Films and included clinical and demographic information. The CE notified HHS, media, and affected individuals, and responded with enhanced administrative and technical safeguards and employee retraining.

HIPAA clock HHS notified
no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Dec 29, 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.Confirmed2,658 affectedView incident

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.