The 87GB of breached personal data, publicised by Microsoft Regional Director and cybersecurity expert Troy Hunt, was spotted last week via online file-hosting website MEGA under the ominous name “Collection #1”, and has now been removed.
The data itself, believed to be a terrifying aggregation of a large number of previous smaller data breaches, also contained more than 21 million identifiable plain-text passwords.
More than 140 million of the email addresses identified have never been seen before by HaveIBeenPwned.com, suggesting some of the personal data may originate from as yet undiscovered breaches.
Those affected by the breach are advised to change their passwords immediately, to prevent criminals potentially exploiting the data to access other online services where the user has registered with identical login credentials.
You can check if your email(s) (and potentially passwords) have been breached among the 773 million by clicking here.
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