national security

The National Security Agency shut off its massive collection of U.S. telephone records at 11:59 p.m. EDT Sunday, shortly after a rare weekend session in the Senate failed to craft a measure to extend the program. Senators moved forward with a House-passed bill that would reform the NSA's…

An investigation of a U.S. military facility's mistaken shipments of live anthrax bacteria has turned up another live sample, this one from a 2008 batch sent to Australia, a U.S. defense official said on Friday. The disclosure, if confirmed, suggests the possibility of a broader problem among…

It’s a brave new world when hackers step in to protect citizens because regulators are not getting the job done. Two years after President Obama signed an executive order setting voluntary guidelines that companies could follow to prevent cyberattacks — especially on critical infrastructure like…

Alarmed about the growing threat from Islamic State, the Obama administration has dramatically stepped up warnings of potential terrorist attacks on American soil after several years of relative calm. Behind the scenes, U.S. authorities have raised defenses at U.S. military bases, put local…

Blue Bell Creameries, the popular regional ice cream chain that recalled all of its products last month, knew that listeria was present in one of its factories as early as 2013, according to documents released by the Food and Drug Administration on Thursday.... Read more

SAN FRANCISCO — The Pentagon on Thursday took a major step designed to instill a measure of fear in potential cyberadversaries, releasing a new strategy that for the first time explicitly discusses the circumstances under which cyberweapons could be used against an attacker, and naming the countries…

U.S. Defense Secretary Ash Carter is due to unveil an updated cyber strategy on Thursday that will stress the military's ability to retaliate with cyber weapons, a capability he hopes will help deter attacks... Read more