Pentagon gets new CISO with appointment of Aaron Bishop

Defense Scoop
by Jon Harper
March 5, 2026
1 min read

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The Pentagon has appointed a new Chief Information Security Officer to strengthen its cybersecurity defenses.

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The Pentagon has officially appointed James "Aaron" Bishop as its new Chief Information Security Officer (CISO) and Deputy CIO for Cybersecurity. Bishop, who has been serving in an acting capacity since February 27th, will oversee cybersecurity policy, technical, and program support for the Department of Defense. He previously held the CISO role for the Department of the Air Force and brings extensive private sector experience from companies like Microsoft and SAIC. This appointment is crucial as the Pentagon focuses on enhancing lethality, efficiency, and warfighter readiness through robust cybersecurity measures. Bishop replaces David McKeown, who is transitioning to the private sector.

What's Being Done

The Pentagon officially appointed James 'Aaron' Bishop as its new Chief Information Security Officer.

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