Most of the increase was fueled by a breach involving more than three billion email addresses from older breaches, which were primarily from Russia, the U.S., and China, according to Surfshark. Global B2B data aggregation firm DemandScience — which had data from over 120 million individuals, most of whom are in the U.S., compromised in a February attack — was also a key contributor to the surge in breached accounts.
Source: SC Magazine