Allan Jay Dumanhug
Allan Jay Dumanhug (atom) has found web security vulnerabilities and he was mentioned and rewarded on few websites such as Facebook, Twitter, Ebay, Yahoo, Slack, Apple and many more. He is a former Top Hacker in HackerOne.com. http://i.imgur.com/xnCiN8H.jpg. Allan shares his bug bounty hunting experience in seminars. He delivered a web application security talk in National Library of the Philippines about Drupal 8: Ethical Hacking and Security Talks.