Hirosh Joseph is currently working as a Web Security Researcher at F-Secure Corporation. He is the co-author of book entitled, Vulnerability Analysis and Defense for the Internet, published by Springer (ISBN-10: 0387743898) Previously, he was working at Third Brigade, a Canada based Information Security Company. He was one of the early members of Third Brigade Security Center and the key members of the research team. He has more than five years of experience in vulnerability research and is passionate about reverse engineering, malware analysis and spyware technologies. He has also held security research position at Blue Lane Technologies.