Every public data breach

47 disclosed this week · 26,367 on record

mSpy

Disclosed May 28, 2015699,793 accountsUnverified

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.

What is known

People affected699,793 (accounts in the leaked data, per Have I Been Pwned)
DisclosedMay 28, 2015
HappenedMay 14, 2015
AttackNot stated
Data exposedNot stated
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Notices filed

Other breaches at mSpy

History of this record
Added2026-09-25
First recordedby backfillSource

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

Everything about mSpy