The judge held that the rule exceeded the power of both the attorney general and the Department of Homeland Security and issued a nationwide temporary restraining order against the rule’s implementation.

Krebs, the first director of the Cybersecurity and Infrastructure Security Agency, was able to serve in a political position under President Trump without compromising his integrity. He made a significan...

The Chinese Communist Party uses the full spectrum of law enforcement actions to exert leverage. And detaining an American on business could provide political and economic advantages.

Given the lack of a coherent strategic message, it is questionable whether EU cyber sanctions are communicating their red lines and intent effectively. Has the bloc’s cyber sanctions regime already run i...

If Al-Qaida leader Ayman al-Zawahri is in fact dead, where will al-Qaida go next and what kind of movement will Zawahri’s successor inherit?

Why did problems in meat production lead the president to invoke a statute designed to preserve the nation’s security?

The drug trade presents a critical challenge to security and stability in Afghanistan. Why hasn’t the U.S. revised its counternarcotics strategy since 2012?