credential stuffing
type of cyberattack where stolen account credentials typically consisting of lists of usernames or email addresses and corresponding passwords are used to gain unauthorized access to user accounts through large-scale automated login requests
en-US/kɹəˈdɛnʃəl ˈstʌfɪŋ/
en-GB/kɹɪˈdɛnʃəl ˈstʌfɪŋ/