Mathway data breach: 25.7M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2020-06-05
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: device information, email addresses, names, passwords, social media profiles. The breach dates from Jan 13, 2020; Have I Been Pwned loaded it on Jun 5, 2020.
What to do
- If you had a Mathway account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
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