Every public data breach

47 disclosed this week · 26,367 on record

Meta

Disclosed Jun 5, 2026Confirmed

Official notice

Employee keystroke and screen data collected to train AI was widely exposed inside Meta

Meta's Model Capability Initiative logged staff keystrokes, clicks and screen content to train internal AI agents; an internal security review found the data, including AI prompts, transcriptions and private conversations, was accessible across thousands of internal tables, and Meta paused the program.

What is known

People affectedNot stated in the sources we have
DisclosedJun 5, 2026
HappenedApr 17, 2026
AttackExposed data
Data exposedEmploymentPrompts and chatsMessagesTraining data
SectorTech · US
StatusConfirmed

Sources

Notices filed

Other breaches at Meta

History of this record
source2026-10-14
empty to https://www.securityweek.com/meta-says-hackers-took-code-personal-data-of-1500-in-github-breach/by dailySource
attack2026-09-25
unknown to misconfigurationby seedSource
data_types2026-09-25
[] to ["employment","prompts","messages","training-data"]by seedSource
summary2026-09-25
empty to Meta's Model Capability Initiative logged staff keystrokes, clicks and screen content to train internal AI agents; an internal security review found the data, including AI prompts, transcriptions and private conversations, was accessible acby seedSource
title2026-09-25
empty to Employee keystroke and screen data collected to train AI was widely exposed inside Metaby seedSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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