Coinmarketcap
coinmarketcap.com
About This Breach
CoinMarketCap, a cryptocurrency price-tracking website, suffered a breach in 2021 that exposed over 3.1 million email addresses. The company stated that the leak did not come from their own servers and confirmed that no passwords were included in the leak.
Data Exposed
Breach Details
| Breach Type | Data Breach |
| Searchable | Yes |
| Verified | Yes |
| Sensitive Data | No |
| Reference | https://www.bankinfosecurity.com/coinmarketcap-no-breach-despite-31m-email-address-leak-a-17789 (opens in new tab) |
Frequently Asked Questions
When did the Coinmarketcap data breach happen?
Coinmarketcap was breached in Oct 2021. The breach was added to the XposedOrNot index on November 8, 2023.
How many records were exposed in the Coinmarketcap breach?
3,121,180 records were exposed, making it the #251 largest of the 763 breaches in our index.
What data was exposed in the Coinmarketcap breach?
The exposed data includes: Email addresses.
What should I do if I was affected by the Coinmarketcap breach?
Change your password on the affected service (and anywhere you reused it), 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.
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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.