Marc Mastrangelo

A U.S. Marine Corps veteran, former NSA operator, and Silicon Valley cybersecurity leader, Marc brings unmatched technical depth and mission-driven discipline to Civic-Shield’s cyber risk services. He began his career at the National Security Agency, where he served as a Computer Network Operator conducting both offensive and defensive cyber operations in support of U.S. national defense.

Following his service, Marc earned an MBA from Carnegie Mellon University’s Tepper School of Business and transitioned into cybersecurity product leadership roles at global technology companies. His work has spanned secure access, threat intelligence, and zero trust architecture—shaping cybersecurity solutions used by Fortune 500 companies and federal agencies alike.

At Civic-Shield, he leads the firm’s cybersecurity and technical compliance efforts, including NIST 800-171 and CMMC gap assessments, SPRS scoring, firewall and endpoint security design, and virtual CISO support. His rare blend of operational experience and enterprise product strategy enables clients to stay ahead of threats while aligning with evolving compliance frameworks.