President Donald Trump announced in a Dec. 23 tweet that Patrick Shanahan will become acting secretary of defense Jan. 1, replacing outgoing Pentagon chief Jim Mattis two months early. While it is not clear how long Shanahan will remain in the job, he is on the short list of officials who could become the full-time Pentagon chief.
Regardless of the length of his tenure, Shanahan, the Pentagon deputy since 2017, has been one of the Pentagon’s top advocates for stronger contractor cybersecurity and IT acquisition and will lead the department months after it was given expansive and loosely defined authorities to conduct offensive cyber operations. How Shanahan will handle these greater cyber authorities, even on a temporary basis, remains an open question.
Read more about the Pentagon chief’s cybersecurity views on Fifth Domain.