Data breaches in 2026
54 known data breaches are dated 2026, together exposing around 190 million accounts — the biggest being June 2026 Stealer Logs. Browse them below to see what was leaked, or check your own email in seconds.
Check if my email was exposed — free →Every 2026 data breach we track
Were you caught up in a 2026 breach?
Check your email against known breach and dark-web databases for free — then we’ll help you remove exposed data and watch for new leaks.
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2026 data breaches, answered
How many data breaches were there in 2026?
We track 54 known, verified data breaches dated 2026, together exposing around 190 million accounts. The largest was June 2026 Stealer Logs (56 million accounts).
Was my email exposed in a 2026 breach?
Check your email free against known breach and dark-web databases — it tells you which breaches, including any from 2026, include your address and what was exposed.