Data breaches in 2017
45 known data breaches are dated 2017, together exposing around 337 million accounts — the biggest being MyHeritage. Browse them below to see what was leaked, or check your own email in seconds.
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Were you caught up in a 2017 breach?
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2017 data breaches, answered
How many data breaches were there in 2017?
We track 45 known, verified data breaches dated 2017, together exposing around 337 million accounts. The largest was MyHeritage (92 million accounts).
Was my email exposed in a 2017 breach?
Check your email free against known breach and dark-web databases — it tells you which breaches, including any from 2017, include your address and what was exposed.