Biggest Data Breach Yet Has Leaked 773 Million Emails. Here’s What You Need To Do Now

Looks like it’s time to change your passwords, again: security experts have flagged up a monster data breach made up of some 773 million email addresses and 21 million passwords.

They’re calling it Collection #1, and more collections are reportedly on the way.

First made public by security consultant Troy Hunt, the data dump comes from multiple different sources – perhaps more than 2,000 – and amounts to 87GB of data in all.