https://www.cnbc.com/2019/03/21/facebook-employees-had-access-to-millions-of-user-passwords.html

Facebook stored "hundreds of millions" of account passwords without encryption and viewable as plain text to tens of thousands of company employees, according to a report Thursday by cybersecurity journalist Brian Krebs.

Facebook confirmed the report in a blog post. Facebook shares were down less than 1 percent Thursday.