MR.Sonu Sinha (born 25 Oct 1997 at Nalanda ) is an Indian author, speaker,cyber security and self-proclaimed "ethical hacker and programming " of computers, whose skills and ethics have been debated. Sinha has written books on cyber security, ethical hacking and web defence. His work mostly involves OS-based tips and tricks, proxy websites and lifestyle.OS-based tips and tricks, proxy websites and lifestyle.

In 2008 he started a television show on DD Bihar called "What The Hack and teach to learn about basic of c,c++,PHP,VB, python programming and so on ", which he co-hosted with Ankit fadia. In this show Sinha gave tips on how to make good use of the Internet and answered people's technology-related questions. In 2013, Sonu sinha started a YouTube show  in collaboration with PING networks, where he shared technology-related tips and tricks. The show has got more than 750,000+ views on YouTube.

Sinha is an cyber security experts who founded TAC Security, a cyber security company that provides protection to corporations against network vulnerabilities and data theft.

According to Sinha, there has been an increase in the number of hacking cases wherein portals of companies are hacked for stealing vital information resulting in great danger for the company's sustainability in the competitive environment.