AI Turns Pentagon’s Aging Networks Into a National Security Risk
The Defense Department has seen a tenfold rise in systems vulnerable to “zero-day” attacks as AI makes it easier for adversaries to find and exploit weaknesses.
Artificial intelligence is exposing the risks created by the Pentagon’s aging computer networks, with the Defense Department reporting a tenfold increase in vulnerabilities susceptible to “zero-day” attacks.
For nearly three decades, the Pentagon deferred upgrades to older networks while directing more resources toward advanced weapons systems. That strategy has left low-level weaknesses across its digital infrastructure that increasingly capable AI tools can discover and turn into disruptive intrusions.
The threat is changing because AI can help adversaries scan systems, identify weaknesses, and adapt attacks more quickly. Vulnerabilities that once required extensive expertise and time can now become entry points into networks supporting sensitive military operations.
Lt. Gen. Paul Stanton said the department had postponed and deferred system sustainment and maintenance “to our potential peril,” signaling a shift toward addressing the underlying infrastructure problem.
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The Pentagon’s challenge is not limited to adding new defensive tools. It also must modernize legacy systems, maintain them consistently, and reduce the gaps that allow automated attacks to move from minor flaws to serious national-security risks.
As AI capabilities advance, the department’s outdated networks are becoming a more attractive target. The rise in zero-day exposure underscores the need to pair AI defenses with sustained investment in the systems those defenses are meant to protect.