Walter Belgers is ethical hacker by profession and president of the lockpicking group Toool. Walter Belgers is an ethical computer hacker by profession and by way of life. During his working hours, he tests the security of IT systems using both technical and social means. He is also the president of TOOOL, The Open Organisation of Lockpickers. He has been lockpicking since the 1980’s and is currently the fastest Dutch lockpicker. He likes to share his knowledge with others to increase the overall security of the world around us.