Nadean H. Tanner is the senior manager of consulting at Mandiant, working most recently on building real-world cyber range engagements to practice threat hunting and incident response. She has been in IT for more than 20 years and specifically in cybersecurity for more than a decade. She holds more than 30 industry certifications including CompTIA CASP+, Security+, and (ISC)² CISSP.

Tanner has trained and consulted for Fortune 500 companies and the U.S. Department of Defense in cybersecurity, forensics, analysis, red/blue teaming, vulnerability management, and security awareness.

She is the author of the Cybersecurity Blue Team Toolkit, published by Wiley in 2019, and CASP+ Practice Tests: Exam CAS-004, published by Sybex in 2020. She also was the technical editor for the CompTIA Security+ Study Guide: Exam SY0-601 and CompTIA PenTest+ Study Guide: Exam PT0-002 written by Mike Chapple and David Seidl.

In her spare time, Tanner enjoys speaking at technical conferences such as Black Hat, Wild West Hacking Fest, and OWASP events.

Jeff T. Parker is an information security professional with more than 20 years’ experience in cybersecurity consulting and IT risk management. Jeff started in information security while working as a software engineer for HP in Boston, Massachusetts. Jeff then took the role of a global IT risk manager for Deutsche Post to enjoy Prague in the Czech Republic with his family for several years. There he developed and oversaw the implementation of a new IT risk management strategy. Today, Jeff most enjoys time with his two children in Nova Scotia. Currently, Jeff is developing custom e-learning courses in security awareness for Mariner Innovations.

Jeff maintains several certifications, including CISSP, CEH, and CompTIA's CySA+ and ITT+. He also coauthored the book Wireshark for Security Professionals: Using Wireshark and the Metasploit Framework (Wiley, 2017) with Jessey Bullock. Jeff also has written Wiley practice exam books for the CompTIA certifications CySA+ and the A+ (2018 and 2019, respectively).