Data breach

mSpy data breach

699,793 accounts · breached May 14, 2015

Have I Been Pwned treats this breach as sensitive: it does not reveal publicly whether a particular address is in it. Only the owner of an address can check, after verifying it.

What happened

In May 2015, the "monitoring" software known as mSpy suffered a major data breach. The software (allegedly often used to spy on unsuspecting victims), stored extensive personal information within their online service which after being breached, was made freely available on the internet.

Description by Have I Been Pwned

What data leaked

  • Device usage tracking data

What to do if you had an account

The leaked data does not include passwords or payment details. Stay alert to messages that use the leaked details to look convincing.

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