This is the best defense against credential stuffing, as a password alone will not grant access.
Many entries in these massive, older lists are recycled or repackaged, meaning the passwords may have already been changed by users. Risks of Downloading and Using Such Files: Download 97M Combolist rar
Cybercriminals use these lists for "credential stuffing" or "brute-force" attacks, testing the pairs on various websites (banking, social media, e-commerce) to gain unauthorized access. This is the best defense against credential stuffing,
Utilize reputable services to check if your email has been part of a known breach. older lists are recycled or repackaged