PetSmart warns customers of credential stuffing attack

PetSmart alerted customers to an increase in credential-stuffing (password-guessing) attacks that resulted in some account logins; the company said its systems were not breached, inactivated affected passwords, and advised users to reset them. The article explains how credential stuffing works, recommends avoiding password reuse and using password managers, and points readers to Malwarebytes tools to check for exposed credentials.