Data breaches in 2023
39 known data breaches are dated 2023, together exposing around 118 million accounts — the biggest being Naz.API. Browse them below to see what was leaked, or check your own email in seconds.
Check if my email was exposed — free →Every 2023 data breach we track
Were you caught up in a 2023 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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2023 data breaches, answered
How many data breaches were there in 2023?
We track 39 known, verified data breaches dated 2023, together exposing around 118 million accounts. The largest was Naz.API (71 million accounts).
Was my email exposed in a 2023 breach?
Check your email free against known breach and dark-web databases — it tells you which breaches, including any from 2023, include your address and what was exposed.