Data breaches in 2018
66 known data breaches are dated 2018, together exposing around 1.1 billion accounts — the biggest being Dubsmash. Browse them below to see what was leaked, or check your own email in seconds.
Check if my email was exposed — free →Every 2018 data breach we track
Were you caught up in a 2018 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.
Run my free breach check →Common questions
2018 data breaches, answered
How many data breaches were there in 2018?
We track 66 known, verified data breaches dated 2018, together exposing around 1.1 billion accounts. The largest was Dubsmash (162 million accounts).
Was my email exposed in a 2018 breach?
Check your email free against known breach and dark-web databases — it tells you which breaches, including any from 2018, include your address and what was exposed.