Top executives of major telecom equipment makers say beefing up security and reliability on service provider networks is necessary to protect customers and is a matter of national security. Top ...

AT&T has filed a lawsuit against Broadcom in New York’s Supreme Court, alleging that the chip giant is violating contractual obligations following its $61 billion acquisition of VMware. The ...

America’s adversaries have more room to operate, at least in the disinformation space, cybersecurity experts say. By Helene Cooper and Julian E. Barnes Reporting from Washington This month, a network ...

President Trump is drastically reducing the number of national security and foreign policy experts employed by the National Security Council. A shake-up at the National Security Council. President ...