Proposed “entry-exit” systems seem simple but have succumbed to real-world complications.
FirstNet was envisioned as a way for police and firefighters to communicate with one another in the wake of 9/11. But four years later, it’s still not up and running.
An interview with the president on the challenges of homeland security in the United States.
A team of workers at the Department of Homeland Security gives companies advice on protecting themselves from attacks.
Since 9/11, the United States has spent $1 trillion to defend against al-Qaeda and ISIL, dirty bombs and lone wolves, bioterror and cyberterror. Has it worked?