Crunchbase data breach
From Breaches, in the HARD wiki · Updated
This article is about the January 2026 breach of Crunchbase. For every breach, see Breaches.
The Crunchbase data breach exposed 559,908 accounts from crunchbase.com in January 2026. The data taken includes names, physical addresses, email addresses and phone numbers and 3 more kinds of data.[1]
Have I Been Pwned verified it and added it to its search on 14 Oct 2026, 9 months later. It is the 470th largest of the 618 breaches in HARD’s list.
What was exposed
Crunchbase’s breach included 7 kinds of data. What each lets criminals do:
| Data | What it’s used for |
|---|---|
| Names | Makes scam messages personal enough to believe. |
| Physical addresses | Used to prove who you are, and for scam letters and parcels. |
| Email addresses | Expect scam emails that name the company to look genuine. |
| Phone numbers | Expect scam texts and calls, and a higher risk of someone moving your number to their SIM. |
| Social media profiles | A way to reach you with scams. |
| Employers | Personal details that make scam messages more convincing. |
| Job titles | Personal details that make scam messages more convincing. |
What to do
- Check whether you’re in it.Search your email address on Have I Been Pwned. It tells you which breaches it appears in, Crunchbase among them, without showing the data.
- Distrust messages that mention Crunchbase.Scammers use breach data to sound genuine. Don’t click links in emails or texts about the breach; go to the site yourself.
- Put a PIN on your phone account.Ask your mobile provider for a port-out PIN, so no one can move your number to their SIM.
Timeline
- : the breach, as best it can be dated.
- : Have I Been Pwned verifies the data and adds it to its search, 9 months later.
Similar breaches
Breaches that leaked the same kinds of data, closest in time:
- DemandScience by Pure Incubation, February 2024, 122 million accounts
- Fanpass, April 2022, 112,251 accounts
- Covve, February 2020, 23 million accounts
- EatStreet, May 2019, 6.4 million accounts
- Adapt, November 2018, 9.4 million accounts
- Addi, March 2026, 35 million accounts
See Breaches for all 618, and Updates for keeping your devices patched.
References
- ^ Troy Hunt. “Crunchbase”, Have I Been Pwned, added 14 Oct 2026. Breach data licensed CC BY 4.0.
External links
- Have I Been Pwned, to check your email address
- crunchbase.com, Crunchbase’s website