There are breaches, and there are megabreaches, and there’s Equifax. But a newly revealed trove of leaked data tops them all for sheer volume: 772,904,991 million unique email addresses, over 21 million unique passwords, all recently posted to a hacking forum. The data set was first reported by security researcher Troy Hunt, who maintains Have I Been Pwned, a way to search whether your own email or password has been compromised by a breach at any point. (Trick question: It has.

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