Harry, ( Harry. H. Chaudhary. ) is an Anonymous Hacktivist, World Famous computer Programmer and Bestselling Java Author and scientifically Hacking professional has a unique experience in the field of computers Programming, Hacking and Cyber Security. He has helped many Countries Governments and many multinational Software companies of around the globe to secure their networks and securities. He has authored several books on Various Computers Programming Languages and computer security & Hacking. He is basically known for his international bestselling Programming book “Core Java Professional.” He is technically graduate software engineer and Master. He is the leading authority on C Programming and C++ Programming as well as on Core Java and Data Structure and Algorithms. His acclaimed C and C++ ,C# & Java books. He has over 5 years of experience as a software methodologist. His teaching and research interests are in the areas of artificial intelligence, programming languages.