Matthew Toth is a seasoned cybersecurity leader with over 25 years of experience supporting U.S. Department of Defense, Intelligence Community, and Civilian Agency missions. As Field CTO at Optiv + Clearshark, Matthew helps mission partners strengthen cyber defense through innovative security architectures, advanced analytics, and hands-on technical leadership.

Matthew’s career spans leadership roles at Datamine, Splunk, and Symantec where he advised senior decision-makers, led national defense consulting teams, and drove adoption of enterprise-scale security solutions. Matthew designed and deployed resilient security systems protecting critical government and enterprise environments. He is a trusted subject matter expert, having led cyberwar simulations, advised on emerging threat landscapes, and delivered mission-critical solutions at scale.

As a CISSP and CEH, Matthew is passionate about mentoring the next generation of cybersecurity professionals and remains deeply engaged with the security community. His work is guided by a mission-first ethos: enabling organizations to anticipate, withstand, and respond to evolving threats while advancing the nation’s security posture.