Exact Sciences breach listed 10.9M email addresses

Published August 7, 2026

Exact Sciences had customer data stolen in a breach affecting 10.9M accounts. The exposed data included Dates of birth, Email addresses, Genders, Names, Personal health data, Phone numbers, Physical addresses.

Report priority
Critical
Involves
Exact Sciences

What is known

ShinyHunters stole and leaked data from Exact Sciences.

What to do

Search your email address in Have I Been Pwned for the Exact Sciences breach. If it appears, treat Dates of birth, Email addresses, Genders, Names, Personal health data, Phone numbers, Physical addresses as exposed.

Follow Exact Sciences notices, watch health insurance and identity records for misuse, and replace any reused password tied to the exposed email address.

Reported details

Have I Been Pwned lists the Exact Sciences breach as affecting 10.9M accounts. It attributes the incident to a ShinyHunters pay-or-leak extortion campaign. The listed data classes are Dates of birth, Email addresses, Genders, Names, Personal health data, Phone numbers, Physical addresses.