Mappery data breach (2018): was your email exposed?
Mappery (mappery.com) suffered a data breach in December 2018 that exposed around 205,242 accounts. The leaked records included email addresses, geographic locations, passwords and usernames. Check whether your email was caught up in it — and lock down your accounts before the data is misused.
Check if my email was exposed — free →What happened in the Mappery breach?
Mappery (mappery.com) was hit by a data breach dated December 2018, exposing around 205,242 accounts. Incidents like this happen when attackers break into a company’s user database, or when a misconfigured server or third-party partner leaks it — and the stolen records then spread among other criminals.
The exposed records included email addresses, geographic locations, passwords and usernames. Leaked data doesn’t simply disappear: it gets copied, sold and re-posted across breach forums and dark-web markets for years. That’s why your information from the Mappery breach can still be abused long after the original incident — and why checking your exposure and locking down your accounts matters even now.
What data was exposed in the Mappery breach?
The Mappery breach exposed email addresses, geographic locations, passwords and usernames. The more of these are tied to you, the more ways an attacker can impersonate you or break into your other accounts.
How the leaked Mappery data can be used against you
Because the Mappery breach exposed email addresses, geographic locations, passwords and usernames, the leaked passwords let attackers try the same login on your other accounts (credential stuffing), so any site where you reused it is at risk; your email address becomes a target for convincing phishing, often referencing this very breach to look legitimate; and your address can be used to locate you, sold on to people-search sites, or used in doxxing.
How to check if you were affected
The leaked records themselves aren’t published openly, so the way to know is to check your email against known breach and dark-web databases. Our free tool does exactly that in a few seconds — no account needed.
Check my email against known breaches — free →What to do if your Mappery account was breached
These steps are prioritized for exactly the kind of data the Mappery breach exposed.
Reset your Mappery password now, and change it on every other account where you used the same one. Reused passwords are how a single breach turns into a chain of account takeovers, so give each important account its own strong password (a password manager makes this painless).
Add 2FA — ideally an authenticator app or a passkey rather than SMS — to your email, banking and other important accounts, so a stolen password alone can’t get in.
Exposed addresses spread to people-search sites that anyone can look up. Opting out of data brokers makes your home harder to find and lowers your doxxing risk.
Scammers reference real breaches to sound credible, so treat any email mentioning Mappery with suspicion, and never use a password-reset link you didn’t request — go to the site directly instead.
Leaked data is resold for years, so a one-time clean-up isn’t enough. Ongoing breach and dark-web monitoring tells you the moment your details reappear, so you can act before an account is misused.
The Mappery breach, answered
Was my email in the Mappery breach?
You can find out in seconds with our free breach and dark-web check — enter your email and it tells you whether it appears in the Mappery breach and other known incidents.
When did the Mappery breach happen?
The Mappery data breach is dated December 2018 and exposed roughly 205,242 accounts. Note that breached data often surfaces and is resold long after the original date.
What data was exposed in the Mappery breach?
The exposed records included email addresses, geographic locations, passwords and usernames. Around 205,242 accounts were affected.
What should I do after the Mappery breach?
Change your Mappery password and any reused passwords, turn on two-factor authentication, watch for phishing that references Mappery, and monitor whether your details resurface on the dark web.
Was your email in the Mappery breach?
Check free in about a minute — then we’ll help you remove your exposed data and keep it monitored.
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