President Donald Trump’s nominee to lead the Cybersecurity and Infrastructure Security Agency privately told stakeholders he left his role in the U.S. Coast Guard to address concerns about his ties to ...

(TNS) — President Donald Trump's nominee to lead the Cybersecurity and Infrastructure Security Agency is leaving the Department of Homeland Security, where he has most recently been serving as an ...

Sean Plankey appears before the Senate Homeland Security and Governmental Affairs Committee on Thursday, July 24, 2025. U.S. President Donald Trump renominated Sean Plankey to lead the Cybersecurity ...

UFORCE, the autonomous systems defense technology company built to unify and scale the world's most combat-proven unmanned platforms, today announced the appointment of Sean Plankey as Chief Executive ...

President Donald Trump's nominee to lead the Cybersecurity and Infrastructure Security Agency, Sean Plankey, has withdrawn after over a year without Senate confirmation, citing family considerations.