28 April 2025

Senior Pentagon Official Says Cyber Warfare Poses Significant Threat To Joint Force

Matthew Olay

The dangers posed by cyber conflict are significant and require preparation by the joint force to counter such threats, according to a senior Defense Department expert on the topic during the Space Force’s Space Systems Command Cyber Expo 2025.

Director for Cyber Warfare John Garstka delivered keynote remarks at the event today virtually from the Pentagon. Garstka, who works in the Office of the Deputy Assistant Secretary of Defense for Platform and Weapon Portfolio Management, said real-world cyberattacks on commercial critical infrastructure are on the rise.

Likening cyberspace to the fifth warfighting domain, with air, land, sea and space being the others, he said many people have a hard time grasping the impact of cyber conflict because they don’t have access to simulations of such attacks and the subsequent effects.

“What we have learned [from our wargaming] is that this is a significant threat that we have to prepare the joint force to deal with,” Garstka said.

He added that to prepare for such threats, DOD is focusing on the infrastructure necessary for supporting space systems missions.

“If you shut down the water or the power or the fuel, and you can’t provide a space system ground segment with power, then you [just] have a static display,” Garstka said.

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