Gregory J. Touhill

About the Author

Gregory J. Touhill is a distinguished cybersecurity expert with over two decades of experience in protecting critical infrastructure and advising Fortune 500 companies on digital defense strategies. A former senior official at the U.S. Department of Homeland Security, where he led initiatives to safeguard national networks against evolving cyber threats, Touhill brings a unique blend of practical insight and strategic foresight to his writing. His acclaimed book, Cybersecurity for Executives: A Practical Guide, distills complex technical concepts into actionable advice for business leaders navigating the high-stakes world of information security. Through his work, Touhill empowers executives to build resilient organizations, emphasizing proactive risk management and ethical leadership in an era of relentless cyber challenges. His contributions continue to shape corporate and governmental approaches to cybersecurity worldwide.