LAS VEGAS–David Litchfield for many years was one of the top bug hunters in the game and specialized in causing large-scale headaches for Oracle. When he decided to retire and go scuba diving, there ...

Oracle Corporation’s Database 12c has come under attack at the Defcon 22 conference in Las Vegas, where a researcher has demonstrated how easy it is to subvert its much-hyped data redaction feature.

Renowned Oracle database researcher/hacker David Litchfield has kept the database company honest for years now when it comes to security: No one knows security holes in Oracle databases like ...