About the Author

Stewart K. Bertram is a career intelligence analyst who has spent over a decade working across the fields of counterterrorism, cyber security, corporate investigations and geopolitical analysis. The holder of a master's degree in computing and a master of letters in terrorism studies, Stewart is uniquely placed at the cutting edge of intelligence and investigation, where technology and established tradecraft combine. Stewart fuses his academic knowledge with significant professional experience, having used open source intelligence on such diverse real-world topics as the terrorist use of social media in Sub-Saharan Africa and threat assessment at the London Olympic Games. Stewart teaches courses on open source intelligence as well as practising what he preaches in his role as a cyber threat intelligence manager for some of the world's leading private-sector intelligence and security agencies.