Arrington, who posted about her new role on LinkedIn Tuesday night, joined the Defense Department in 2019 — following a single term in the South Carolina House — and served in the Pentagon’s Office of Acquisition and Sustainment in President Donald Trump’s first term. In 2022, she reached a legal settlement with the government and resigned from her role, and later ran for an unsuccessful bid for Congress where she lost against Republican House lawmaker Nancy Mace of South Carolina.
Arrington was one of several names that surfaced in earlier reporting from Politico as a possible contender for a senior cybersecurity role in Trump’s second term.
She was a major cultivator of the Cybersecurity Maturity Model Certification program, better known as CMMC, which encourages DOD contractors to augment their baseline cyber posture to prevent the Defense Department and its private sector partners from cyberattacks.
In her legal tussle with the government, she was represented by Mark Zaid, a prominent national security lawyer whose security clearance was recently targeted by Trump.
The National Security Agency suspended her clearance in 2021. The exact reasons that led to the suspen ..
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