Every public data breach

44 disclosed this week · 26,355 on record

Exact Sciences

Disclosed Aug 7, 202610,869,543 accountsConfirmed

Official notice

In July 2026, Exact Sciences (now owned by Abbott Laboratories) was the target of a ShinyHunters "pay or leak" extortion campaign . The group claimed to have obtained data from the company's cancer diagnostics business, which they later published publicly. The breach contained 10.9M unique email addresses belonging to customers, patients and healthcare providers, along with names, addresses, phone numbers and health records. Abbott subsequently published a public notice advising that "some of the impacted files contain personal information and/or personal health information" and that more spec

What is known

People affected10,869,543 (accounts in the leaked data, per Have I Been Pwned)
DisclosedAug 7, 2026
HappenedJul 15, 2026
AttackExtortion
Data exposedDates of birthEmailsNamesHealthPhone numbersAddresses
SectorTech
StatusConfirmed
Check your emailHave I Been Pwned

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Have I Been Pwned), confirmed by Company page. Record counts are as reported. Not legal advice.

Everything about Exact Sciences