Lefteris Tzelepis, CISO at Steelmet /Viohalco Companies, was shaped by cybersecurity. From his early exposure to real-world attacks at the Greek Ministry of Defense to building and leading security programs inside complex enterprises, his career mirrors the evolution of the CISO role itself. Now a group CISO overseeing security across multiple organizations, Lefteris brings a […]
First seen on securityboulevard.com
Jump to article: securityboulevard.com/2025/12/ciso-spotlight-lefteris-tzelepis-on-leadership-strategy-and-the-modern-security-mandate/
