Allan Liska has been writing about ransomware for over half a decade. As a security researcher for Recorded Future he has seen first-hand the damage ransomware attacks can cause and also seen how these ransomware actors operate and communicate with each other. He has regularly appeared on PBS NewsHour, CNN, ABC, NBC and CBS, and has been quoted in the Financial Times, Bloomberg, The Wall Street Journal, The Washington Post, and The New York Times. He has written many articles about ransomware and co-wrote the book, Ransomware: Defending Against Digital Extortion.