Charles L. Brooks is the founder and principal consultant at Security Technical Education, where he offers services in technical writing, reviewing, instructional design, and education. Charles also facilitates online courses at Boston University in data communications and networking, and teaches courses in network security, secure software development, securing virtualized and cloud infrastructures at Brandeis University, Rabb School of Graduate Professional Studies, in the MS in Information Security program. Prior to founding Security Technical Education (www.securityteched.com), Charles worked at EMC and at RSA as a senior technical education consultant, developing courseware for storage security, Big Data, network security analysis, and network forensics. Prior to EMC, Charles worked for many years as a software engineer, team leader, and software architect; and most recently as a systems architect for a managed VPN service offered by GTE Internetworking and Genuity.

Charles earned a BS and MA degree in English from Clark University, a MSCIS degree from Boston University, and holds several industry certifications including the CISSP, CEH, and CHFI.

Praveen Darshanam has over seven years of experience in Information Security with companies such as McAfee, Cisco Systems, and iPolicy Networks. His core expertise and passions are vulnerability research, signature development, Snort, application security, and malware analysis. He pursued B.Tech in Electrical Engineering (EE) and ME/M.Tech in Control and Instrumentation; EE from one of the premier institutes of India. He holds industry certifications such as CHFI, CEH, and ECSA.

Ritwik Ghoshal is a Senior Security Analyst at Oracle Corporation, responsible for Oracle software and hardware security assurance. His primary work areas are network security, operating systems, and virtualization. Before coming to Oracle in 2010, when the company acquired Sun Microsystems, he had been working at Sun since 2008 as a part of the Sun security engineering team and the Solaris team. At Oracle, Ritwik continues to be responsible for all Sun systems products and Oracle Linux and Virtualization products.

Ritwik earned a Bachelor's degree in Computer Science and Engineering in 2008 from Heritage Institute of Technology, Kolkata, India.

Gilbert Ramirez is a long-time contributor to Wireshark, starting when it was first released. He has added protocol dissectors, core routines such as the display filter engine, as well as the initial port to Windows. He works at Cisco Systems, where he handles software build systems as well as other software tools.

Gilbert has authored books on Wireshark, including Wireshark & Ethereal Network Protocol Analyzer Toolkit, Ethereal Packet Sniffing, and Nessus, Snort, & Ethereal Power Tools, all published by Syngress Publishing Inc.