US Contractor Charged in Alleged Defense Leak to Girlfriend’s Substack

WHO:

NY Post - Ian Brinksman, 42, was identified as a government contractor.

Newsweek - An affidavit links a contractor to five classified reports and information later published on Substack.

WHAT:

NY Post - The FBI arrested Brinksman in connection with an alleged leak of classified information to his girlfriend’s Substack.

Newsweek - The affidavit links five classified reports accessed by a contractor to information later published on Substack.

WHERE:

NY Post - The FBI searched Brinksman’s home in Washington.

WHEN:

NY Post - The FBI arrested Brinksman on Friday.

HOW:

NY Post - The Justice Department said the arrest followed a search of Brinksman’s Washington home.

Newsweek - The alleged leak involved classified reports accessed by a contractor and information subsequently published on Substack.

(UPDATED October 24, 2026 09:02 UTC)

The FBI has arrested Ian Brinksman, a 42-year-old government contractor, over an alleged leak of classified information to his girlfriend’s Substack. The Justice Department said the arrest followed a search of Brinksman’s home in Washington. An affidavit links five classified reports accessed by a contractor to information later published on the online platform. Investigators allege the reports contained classified material that was disclosed and then appeared in Substack posts. The case centers on whether Brinksman improperly shared information he could access through his work as a government contractor. Officials have not described the alleged disclosures in greater detail in the facts available. The arrest marks a federal investigation into the handling of classified reports and their publication online.