The Silicon Valley company publicized the security failure around the same time that Brian Krebs, a cybersecurity writer, reported the password vulnerability. Mr. Krebs said an audit by Facebook had found that hundreds of millions of user passwords dating to 2012 were stored in a format known as plain text, which makes the passwords readable to more than 20,000 of the company’s employees.
How does Facebook mess up yet again?
I changed my password for Facebook and Instagram. I recommend you do.