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Mappery

Disclosed Dec 18, 20187 years ago205,242 accountsUnverified

In December 2018, the mapping website Mappery suffered a data breach that exposed over 205k unique email addresses. The incident also exposed usernames, the geographic location of the user and passwords stored as unsalted SHA-1 hashes. No response was received from Mappery when contacted about the incident.

What is known

People affected205,242 (accounts in the leaked data, per Have I Been Pwned)
DisclosedDec 18, 2018
HappenedDec 11, 2018
AttackNot stated
Data exposedEmails, Location, Passwords
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Source
Have I Been Pwned: Mapperyhaveibeenpwned.com · Aggregator

Notices filed

WhereFiledPeople
Have I Been Pwnedaccounts in the dataDec 18, 2018205,242
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Mappery

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