Users of several social media platforms are being urged to reset their passwords following findings of a vast data breach in a recent Cybernews investigation. Approximately 16 billion passwords and other login credentials to Google,

Sensitive information including logins to social media accounts was among the data exposed in what some believe is the largest breach in U.S. history.

The file was left entirely unprotected - no encryption, no password, no safeguards - just a plain text document holding millions of sensitive data entries.