Roger A GrimesRoger A. Grimes is a technical author and computer security veteran with thirty-six years' experience in the IT industry. He is the Data-Driven Defense Evangelist at KnowBe4, a human risk management company, as well as a senior computer security consltant and cybersecurity architect. He specializes in hackers, malware, identity management, Windows computer security, host security, and quantum computing. Read More Read Less