By storing passwords in readable plain text, Facebook violated fundamental computer-security practices. By storing passwords in readable plain text, Facebook violated fundamental computer-security practices. Even so, some privacy experts suggested that users change their Facebook passwords. The security blog KrebsOnSecurity said Facebook may have left the passwords of some 600 million Facebook users vulnerable. In a blog post, Facebook said it will likely notify "hundreds of millions" of Facebook Lite users, millions of Facebook users and tens of thousands of Instagram users that their passwords were stored in plain text.

Source: Otago Daily Times March 22, 2019 00:45 UTC