Traditionally, hackers have played havoc in the digital era, giving them a bad name. But a new breed of professionals are using their hacking skills to protect data and fight cybercrime.
Besides being a successful entrepreneur, he is the world's second youngest writer of books on ethical hacking.
Are hacker collectives like Anonymous and Legion black hats or white hats, or do they lurk in the space between the two? Dhruv Munjal reports.
