Josiah Dykstra is a cybersecurity practitioner, researcher, author, and speaker. He is a Technical Fellow in the Cybersecurity Collaboration Center at the National Security Agency (NSA) and the owner of Designer Security, LLC. He holds a Ph.D. in computer science and previously served as a cyber operator. Josiah is interested in cybersecurity science, especially where humans intersect with technology. He has studied stress in hacking, action bias in incident response, and the economics of knowing when sharing threat intelligence is more work than it is worth. Dr. Dykstra is a frequent speaker, including Black Hat and RSA Conference. He received the CyberCorps® Scholarship for Service (SFS) fellowship and is one of six in the SFS Hall of Fame. In 2017, he received the Presidential Early Career Award for Scientists and Engineers (PECASE) from former President Barack Obama. Dr. Dykstra is a Fellow of the American Academy of Forensic Sciences and a Distinguished Member of the Association for Computing Machinery (ACM). He is the author of numerous research papers and the books Essential Cybersecurity Science (O’Reilly Media, 2016) and Cybersecurity Myths and Misconceptions (Pearson, forthcoming).