The COVID-19 pandemic has made it harder for banks to trace the source of payment card data stolen from smaller, hacked online merchants. On the plus side, months of quarantine have massively decreased demand for account information that thieves buy and use to create physical counterfeit credit cards. But fraud experts say recent developments suggest both trends are about to change — and likely for the worse. …

Hundreds of thousands of potentially sensitive files from police departments across the United States were leaked online last week. The collection, dubbed “BlueLeaks” and made searchable via a new website by the same name, stems from a security breach at a Texas web design and hosting company that maintains a number of state law enforcement data-sharing portals online. …

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