Data breach
Mathwaymathway.com
25 692 862 accounts exposed in a breach dated 2020-01-13.
Breached2020-01-13Added to HIBP2020-06-05 UTCUpdated by HIBP2020-06-05 UTCAccounts25 692 862Domainmathway.com
Verified
What happened in Have I Been Pwned’s words
In January 2020, the math solving website Mathway suffered a data breach that exposed over 25M records. The data was subsequently sold on a dark web marketplace and included names, Google and Facebook IDs, email addresses and salted password hashes.
Exposed data as HIBP classifies it
- Device information
- Email addresses
- Names
- Passwords
- Social media profiles
How HIBP qualifies it
- HIBP verified that the data came from this service.
Source: Have I Been Pwned (CC BY 4.0)
Copied from HIBP 2026-11-05 03:50 UTC