News & Commentary about National Security

The ACLU’s National Security Project is dedicated to ensuring that U.S. national security policies and practices are consistent with the Constitution, civil liberties, and human rights.

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Man looking in car rear-view mirror, warily

Oct 24, 2025

Flock Can Share Driver-Surveillance Data Even When Police Departments Opt Out, And Other Flock Developments

President Trump signs an executive order in the Oval Office of the White House.

Oct 15, 2025

How NSPM-7 Seeks to Use "Domestic Terrorism" to Target Nonprofits and Activists

A group of National Guard troops speaking to DC civilians.

Sep 3, 2025

Know Your Rights in Encounters with Law Enforcement and Military Troops

Police being grilled on Flock at Austin City Council meeting

Aug 21, 2025

I’m Hearing About More Pushback Against Flock, Fueled by Concern Over Anti-Immigrant Uses

Aug 18, 2025

Flock’s Aggressive Expansions Go Far Beyond Simple Driver Surveillance

License plate readers on the back of a police car

Jul 23, 2025

Surveillance Company Flock Now Using AI to Report Us to Police if it Thinks Our Movement Patterns Are “Suspicious”

Members of the National Guard patrol the area surrounding the outskirts of the Capitol Building in Washington D.C.

Apr 16, 2025

Trump's Expanded Domestic Military Use Should Worry Us All

Jan 30, 2025

Why Sanctioning the ICC Would Be Terrible for Civil Liberties

A person is holding a sign outside the Capitol Building that reads " #Keep TikTok".

Jan 15, 2025

Banning TikTok is Unconstitutional. The Supreme Court Must Step In.

Dec 26, 2024

Where Defense Secretary Nominee Pete Hegseth Stands on Civil Liberties