The Ukrainian Secret Service on Tuesday announced the arrest of a man who they say is the hacker who amassed hundreds of millions of stolen credentials and then used an internet message board to announce their availability as a data set known as Collection 1.

And in another significant win for law enforcement officials, Romania has announced the disruption of a hacker group that allegedly intended to launch ransomware attacks against hospitals during the COVID-19 pandemic.

The Collection 1 suspect allegedly collected roughly 773 million email addresses and approximately 21,000 unique passwords under the user handle Sanix -- and then drew international headlines as a result of the massive size of the breach. However, as pointed out by security expert Brian Krebs in a blog post, the database Sanix assembled was largely a pastiche of old information stolen in previously executed breaches.

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