2025 Defense
& Security Trends

The defense and security landscape is undergoing profound transformation in 2025, as leaders face the convergence of multiple threats reshaping the domestic and global stage. Geopolitical shifts are driving realignments in military, security, and economic priorities, while rapidly moving technologies are redefining how organizations view threats, respond to risks, and seize opportunities. At the same time, evolving challenges in workforce capabilities, infrastructure demands, and cost pressures will drive organizations to reimagine their operational models.

The trends identified below reflect the urgency of this moment, offering actionable insights to help leaders enhance resilience, optimize resources, and more effectively deliver on their missions.

As we look ahead, understanding these shifts will be critical to outwit complexity in a shifting domestic and global environment.

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"2025 is not a year for standing still. As geopolitical shifts, rapidly evolving technologies, and security threats collide, defense and security leaders must navigate a complex terrain with agility, foresight, and resilience.”

—Shannon White, Partner and Segment Leader, Defense & Security