Aditya Gupta (@adi1391) is the founder and principal consultant of Attify ( attify.com ) , an IoT and Mobile security firm, and leading mobile security expert and evangelist. He has done a lot of in-depth research on Mobile application security and IoT device Exploitation. He is also the author of the popular Android security book "Learning Pentesting for Android Devices" selling over 10000+ copies, since the time of launch in March 2014. He has also discovered serious web application security flaws in websites such as Google, Facebook, PayPal, Apple, Microsoft, Adobe, Skype, and many more. He has also published a research paper on ARM Exploitation titled "A Short Guide on ARM Exploitation." In his previous roles, he has worked on security of mobile devices, apps, networks, developing automated internal tools to prevent fraud, finding and exploiting vulnerabilities and so on. He is also a frequent speaker and trainer at numerous international security conferences including Black Hat, Syscan, OWASP AppSec, PhDays, Brucon, Toorcon, Clubhack etc, and also provides private training for organisations for developers and red teams all over the world.