Tarjei Mandt (@kernelpool) is a senior security researcher at AzimuthSecurity. He holds a Master's degree in Information Security from GUC (Norway)and has spoken at security conferences such as Black Hat USA, CanSecWest,INFILTRATE, RECon, SyScan, and Hack in the Box. In his free time, he enjoysspending countless hours challenging security mechanisms and researchingintricate issues in low-level system components. Previously, he has discoveredseveral Windows kernel vulnerabilities, and spoken on topics such as kernelpool exploitation and user-mode callback attacks. More recently, he hasfocused on Apple technology and presented on various security flaws andweaknesses in Mac OS X and iOS.