Matthew Lennox to Lead Cyber National Mission Force Amid Leadership Turnover

Summary
Brig. Gen. Matthew Lennox will replace Maj. Gen. Lorna Mahlock as head of the Cyber National Mission Force, amid broader turnover at U.S. Cyber Command and the NSA.
Key points
- Brig. Gen. Matthew Lennox is scheduled to take command of the Cyber National Mission Force (CNMF), replacing Maj. Gen. Lorna Mahlock.
- Mahlock is slated to become Cyber Command’s deputy chief; the timing of her transition is unclear.
- The change follows months of leadership uncertainty after the head of Cyber Command and the NSA was fired and two nominees for the dual role were dropped.
- The Senate confirmed Lt. Gen. Joshua Rudd to lead Cyber Command and the NSA, despite opposition citing his lack of cybersecurity and intelligence credentials.
- Lennox is deputy commander of Joint Force Headquarters-Cyber Army and previously served as the CNMF’s deputy commander for operations.
- The CNMF has 39 joint cyber teams and more than 2,000 military and civilian personnel, conducting offensive and defensive operations.
Article Details
- Event Type
- Leadership transition at the U.S. Cyber National Mission Force
- Impact
- Brig. Gen. Matthew Lennox is set to replace Maj. Gen. Lorna Mahlock as CNMF commander; Mahlock is slated to become Cyber Command’s deputy chief. The transition follows broader leadership turnover at Cyber Command and the NSA. The CNMF comprises 39 joint cyber teams and more than 2,000 personnel conducting offensive and defensive operations. The article reports that Cyber Command disrupted Iranian air defenses during Operation Midnight Hammer and says cyber operators knocked out Iran’s communications in a later conflict.
People
Donald TrumpThe article reports that the President abruptly fired the head of Cyber Command and the NSA, initiating the leadership turnover.Joshua RuddLt. Gen. confirmed by the Senate to lead Cyber Command and the NSA, with his start expected soon.Lorna MahlockMaj. Gen. who led the CNMF from 2024 and is slated to become Cyber Command’s deputy chief.Matthew LennoxBrig. Gen. and current deputy commander of Joint Force Headquarters–Cyber Army, slated to take command of the CNMF; the article says he was in the chain of command for Operation Midnight Hammer.William HartmanArmy Lt. Gen. who led Cyber Command and the NSA in an acting capacity before the administration selected Joshua Rudd.
Countries
ChinaThe CNMF comprises 39 joint cyber teams and over 2,000 personnel, conducting offensive and defensive operations organized against adversaries such as Russia, China, Iran and North Korea.IranThe CNMF comprises 39 joint cyber teams and over 2,000 personnel, conducting offensive and defensive operations organized against adversaries such as Russia, China, Iran and North Korea.North KoreaThe CNMF comprises 39 joint cyber teams and over 2,000 personnel, conducting offensive and defensive operations organized against adversaries such as Russia, China, Iran and North Korea.RussiaThe CNMF comprises 39 joint cyber teams and over 2,000 personnel, conducting offensive and defensive operations organized against adversaries such as Russia, China, Iran and North Korea.United StatesU.S. Cyber Command’s elite Cyber National Mission Force will get a new commander on Friday, completing a leadership overhaul atop the military’s digital warfighting organization.
