Mappery
mappery.com
About This Breach
The Mappery Data Breach in December 2018 resulted in over 400K unique email addresses being exposed. The breach also compromised additional information such as usernames, the geographic locations of the users, and passwords stored as unsalted SHA-1 hashes.
Data Exposed
Breach Details
| Breach Type | Data Breach |
| Searchable | Yes |
| Verified | Yes |
| Sensitive Data | No |
| Reference | No reference available |
Frequently Asked Questions
When did the Mappery data breach happen?
Mappery was breached in Dec 2018. The breach was added to the XposedOrNot index on October 30, 2024.
How many records were exposed in the Mappery breach?
407,099 records were exposed, making it the #533 largest of the 763 breaches in our index.
What data was exposed in the Mappery breach?
The exposed data includes: Email addresses, Usernames, Passwords, Geographic locations.
What should I do if I was affected by the Mappery 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.
More Miscellaneous Breaches
What Should You Do?
Change Your Passwords
Update your password immediately, using 12+ characters with numbers and symbols.
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.
Use a Password Manager
Never reuse passwords: use a password manager to generate unique ones for each account.