Crunchbase Data Breach Exposes 559,908 Accounts
The breach dates to January 22, 2026 and was added to Have I Been Pwned on October 14, 2026. Exposed data includes email addresses, employers, job titles.

Key points
- 559,908 Crunchbase accounts exposed.
- Breach dated January 22, 2026.
- Exposed: Email addresses, Employers, Job titles.
A data breach affecting Crunchbase has exposed 559,908 accounts, according to the breach-notification service Have I Been Pwned, which added the incident to its database on October 14, 2026.
At a glance
- Organisation
- Crunchbase
- Accounts affected
- 559,908
- Breach date
- January 22, 2026
- Added to HIBP
- October 14, 2026
- Verified
- Yes
- Data exposed
- Email addresses, Employers, Job titles, Names, Phone numbers, Physical addresses
What happened?
Have I Been Pwned describes the incident as follows: In January 2026, the private company intelligence platform Crunchbase was targeted in a ShinyHunters "pay or leak" extortion attempt . Data allegedly obtained from the company was subsequently published publicly and included 560k unique email addresses, largely belonging to leads and business contacts. Other data included names, physical addresses, phone numbers, job titles, employers and LinkedIn profiles. Crunchbase later confirmed that a threat actor had exfiltrated documents from its corporate network.
What data was exposed?
- Email addresses
- Employers
- Job titles
- Names
- Phone numbers
- Physical addresses
- Social media profiles
Have I Been Pwned lists this breach as verified.
What should you do?
- Check whether your email address is in the breach at haveibeenpwned.com.
- Change your Crunchbase password, and any other account where you reused it.
- Turn on two-factor authentication wherever it is offered.
- Be alert for phishing emails that use the exposed details to look convincing.
Frequently asked questions
How many accounts were affected in the Crunchbase breach?
559,908 accounts, according to Have I Been Pwned.
What data was exposed in the Crunchbase breach?
Email addresses, Employers, Job titles, Names, Phone numbers, Physical addresses.
How do I check if I was affected by the Crunchbase breach?
Search for your email address at haveibeenpwned.com, then change the password and enable two-factor authentication.


