The former defense secretary said U.S. Cyber Command needs emergency authority to be able to operate inside the United States.

Rep. Jim Langevin's amendment reflects one of the biggest unfulfilled Cyberspace Solarium Commission recommendations.

It's going to track how its recommendations are implemented, and study some issues where it only scratched the surface.

Backers hope they might be able to advance the proposal by other means after being left out of a popular defense policy bill.

Aides continue to negotiate in a bid to overcome the dispute.

The Senate's version of the annual defense policy bill sets a road map for how U.S. Cyber Command will ramp up operations.

House members attached several cybersecurity-focused amendments to the fiscal 2018 National Defense Authorization Act.