data breach

plural data breaches

1. computer securityA successful cyberattack to obtain sensitive data.

   A Verizon report on data breaches found that nearly four-fifths of intrusions in 2012 were of “low difficulty,” meaning hackers found trespass remarkably easy.

   2014 January 25, “Preventing the Next Data Breach”, in The New York Times, →ISSN

   1 more example

   Password manager giant LastPass has confirmed that cybercriminals stole its customers’ encrypted password vaults, which store its customers’ passwords and other secrets, in a data breach earlier this year.

   2022 December 22, Zack Whittaker, “LastPass says hackers stole customers' password vaults”, in TechCrunch