https://www.techdirt.com/articles/20211109/08420747907/hacker-tricked-robinhood-support-into-revealing-data-5-million-users.shtml

When it comes to privacy and security, the weakest link continues to be of the human variety.

Trading app Robinhood last week announced in a blog post that somebody used social engineering to trick company support into handing over user login data. On November 3, said "hacker" convinced company support they were cleared to access “certain customer support systems.” From there they nabbed the email addresses of five million users, and the full names of a different group of two million users: