Adversaries may use credentials obtained from breach dumps of unrelated accounts to gain access to target accounts through credential overlap. Occasionally, large numbers of username and password pairs are dumped online when a website or service is compromised and the user account credentials accessed. The information may be useful to an adversary attempting to compromise accounts by taking advantage of the tendency for users to use the same passwords across personal and business accounts.| attack.mitre.org
PyPI now requires 2FA for all users.| blog.pypi.org
The Python Package Index (PyPI) is a repository of software for the Python programming language.| PyPI