Keith Palmgren is a cybersecurity professional with over 30 years of experience specializing in the IT Security field. He is a SANS Senior Instructor and the author of SEC301: Introduction to Cyber Security. Keith also runs a successful security consulting practice, working with corporate leadership and security staff to help lower their organization's risk. Keith divides his remaining time between freelance writing and his family. Keith began his career in January 1985 with the U.S. Air Force working with cryptographic keys & codes management. He also worked in, what was at the time, the newly-formed Air Force computer security department. Following the Air Force, Keith joined AT&T/Lucent as a Senior Security Architect working on engagements with the DoD and the National Security Agency. Later, as Security Consulting Practice Manager for Sprint, Keith built and ran the second largest security consulting practice of its time. He was responsible for all Sprint security consulting worldwide and for leading dozens of security professionals on many consulting engagements across all business spectrums. During his career, Keith has authored 22 training courses. The American Council on Education certified seven of those courses as eligible for college credit.