Cook Medical Data Breach (August 2026)
cookmedical.com
About This Breach
Cook Medical, a medical device manufacturing company, was allegedly breached by the ShinyHunters group in August 2026, with data later published online exposing 147k unique email addresses along with names.
Data Exposed
Breach Details
| Breach Type | Data Breach |
| Searchable | Yes |
| Verified | Yes |
| Sensitive Data | No |
| Reference | No reference available |
Frequently Asked Questions
How do I check if I was in the Cook Medical breach?
Type your email address into the search box on our data breach check page. If it appears in the Cook Medical breach, or any other, you'll see the breach name, date and what was exposed. It's free and nothing you type is stored.
When did the Cook Medical data breach happen?
Cook Medical was breached in Aug 2026. The breach was added to the XposedOrNot index on November 13, 2026.
How many records were exposed in the Cook Medical breach?
147,133 records were exposed, making it the #669 largest of the 799 breaches in our index.
What data was exposed in the Cook Medical breach?
The exposed data includes: Email addresses, Names.
What should I do if I was affected by the Cook Medical breach?
No password was in this breach, so the main risk is phishing. Be wary of emails, calls or texts that quote these details, turn on two-factor authentication, and set up free breach alerts on XposedOrNot so you know the moment your email appears in a new breach.
More Health Care Breaches
What Should You Do?
Enable Two-Factor Authentication
Add 2FA on all supported accounts using an authenticator app like Google Authenticator or Authy.
Monitor Your Accounts
Set up login alerts and review account activity regularly for suspicious access.
For companies: check how many addresses on your domain appear in breaches (opens in new tab), free.