Allan Liska is a Consulting Systems Engineer with FireEye, and has more than 16 years of experience in the world of information security. He has worked both as a security practitioner and an ethical hacker, so he is familiar with both sides of the security aisle and, through his work at Symantec and iSIGHT Partners, has helped countless organizations improve their security posture using more effective intelligence. In addition to security experience, Mr. Liska also authored The Practice of Network Security, Building an Intelligence-Led Security Program, and contributed the security-focused chapters to The Apache Administrators Handbook.