Dr. R. Sarma Danturthi holds a PhD in Engineering from the University of Memphis (Memphis, TN) and works for the US Department of Defense. He has several years of experience with IT security, coding, databases, and project management. He holds Sec+, CISSP, and PMP certifications and is the author of the book 70 Tips and Tricks for Mastering the CISSP Exam (APress, 2020).