Data breach
Exact Sciences
- Records
- 25,757,560
- Breach date
- 15 July 2026Estimated
- Added
- 3 August 2026
What was exposed
6 types of data · 1 puts you at serious risk
- Names25,757,560
- Street addresses14,822,090
- Phone numbers12,816,649
- Email addresses10,827,793
- Dates of birth9,560,232
- Social security numbers5,071
About this breach
Exact Sciences suffered a data breach in July 2026. The attack was claimed by ShinyHunters. The leaked dataset holds 25,757,560 records. It was added to this catalogue on 3 August 2026.
What Information Was Compromised?
The records include names, street addresses, phone numbers, email addresses, dates of birth and social security numbers. Social security numbers can be used for fraud and identity theft.
It is listed as a sensitive breach: an email check does not name it, and counts it among the breaches that are not listed publicly.
What Should You Do If You Were Affected?
Consider a credit freeze or a fraud alert, and watch for accounts or loans opened in your name. Expect scam calls and texts that use your real details. Be wary of emails and messages that mention this breach or ask you to confirm personal details.
There is no public write-up of this breach yet: this summary is written from its record.