The rise of agentic AI introduces security hurdles beyond technology. 64% of workers are adopting shadow AI, driven by productivity pressures and dissatisfaction with current workplace AI. Without robust AI governance, these AI agents are fostering data silos, while unsanctioned AI use and even AI sabotage are on the rise. Boards and corporate leaders must adapt their security-first mandates for this new era. But how? This session delivers crucial best practices for boards, officers, and management to cultivate a proactive "human firewall" and forge a collaborative, security-centric culture in a landscape increasingly populated by non-human AI agents.