About the Authors

Sherri Davidoff is the CEO of LMG Security and the author of Data Breaches: Crisis and Opportunity. As a recognized expert in cybersecurity, she has been called a “security badass” by The New York Times. Sherri is a regular instructor at the renowned Black Hat trainings and a faculty member at the Pacific Coast Banking School. She is also the co-author of Network Forensics: Tracking Hackers Through Cyberspace (Addison-Wesley, 2012). Sherri is a GIAC-certified forensic analyst (GCFA) and penetration tester (GPEN) and received her degree in computer science and electrical engineering from the Massachusetts Institute of Technology (MIT).

Matt Durrin is the Director of Training and Research at LMG Security and a Senior Consultant with the organization. He is an instructor at the international Black Hat USA conference, where he has taught classes on ransomware and data breaches. Matt has conducted cybersecurity seminars, tabletop exercises, and classes for thousands of attendees in all sectors, including banking, retail, healthcare, government, and more. A seasoned cybersecurity and IT professional, Matt specializes in ransomware response and research, as well as deployment of proactive cybersecurity solutions. Matt holds a bachelor’s degree in computer science from the University of Montana, and his malware research has been featured on NBC Nightly News.

Karen Sprenger is the COO and chief ransomware negotiator at LMG Security. She has more than 25 years of experience in cybersecurity and information technology, and she is a noted cybersecurity industry expert, speaker, and trainer. Karen is a GIAC Certified Forensics Examiner (GCFE) and Certified Information Systems Security Professional (CISSP) and holds her bachelor’s degree in music performance (yes, really). She speaks at many events, including those held by the Wall Street Journal Cyber Pro, Fortinet, the Internal Legal Tech Association, and the Volunteer Leadership Council. In her spare time, Karen considers “digital forensics” a perfectly acceptable answer to the question, “But what do you do for fun?” A lifelong Montanan, she lives in Missoula with oodles of poodles.