After earning his Ph.D. in Computer Science from The Johns Hopkins University, Sam led an academic security research lab and launched 2 security start-ups. He serves as an advisor to multiple security start-ups and has provided expert technology and security assessments of dozens of organizations and vendor products, including more than a dozen mergers and acquisitions with a total market value of more than $300 million. Sam has also provided expertise, support, and testimony in several high-profile security, software, and network related legal cases. His work and research has been covered in many publications including Wired, The New York Times, The Washington Post, New Scientist, CNET, ZDNet, and slashdot.