Twitter suffered a big cyberattack this week. This security breach has underscored the lingering threat of cyberattacks that U.S. elections are facing.

Defense Secretary Mark Esper did not actually ban the Confederate flag's display. He simply listed the flags that could be shown by the military, and the controversial banner was not on his list.

Adversaries have exploited Twitter from the bottom up and the outside in. Now the case has been proven that it also can be seized from the inside out with implications for the fall election.

Russian hackers are targeting COVID-19 vaccine trial information. School administrators must decide if they will host in-person learning this year. And, doctors are still prescribing too many opioids.

U.S., British and Canadian intelligence agencies are reporting that Russian hackers are trying to steal information from health care organizations working on a potential coronavirus vaccine.

The attorney general fires a broadside at big U.S. companies as well as the Chinese government as Sino-American relations continue their tailspin.

QAnon is an amalgamation of conspiracy theories that have circulated on 4chan, 8chan, and 8kun since 2017. Now, some of its believers may be heading to Congress.

The National Security Agency, as well as its counterparts in Britain and Canada, say they're seeing persistent attempts to hack into organizations working on a potential vaccine.

Some of the $112 million Congress approved last year for humanitarian assistance for migrants was spent instead on dirt bikes and dog food.

Esper calls the actions "a necessary first step" but says he has "no illusions" that these initial changes will fully address the concerns he has heard from many service members.

Sen. Tammy Duckworth, D-Ill., had demanded proof that Lt. Col. Alexander Vindman, who retired last week, was included on a list of more than 1,000 officers submitted to the White House for promotion.

One hundred newly confirmed cases of COVID-19 among U.S. forces on the small island that hosts about half the Americans stationed in Japan are further testing tense ties with Okinawa.

British regulators say they had little choice after the U.S. imposed sanctions that could affect the viability of Huawei products. Existing 5G equipment must be removed from the network by 2027.

The civil liberties group says Attorney General William Barr has a conflict of interest in heading any investigation of the crackdown outside the White House last month.

More than 700 military health professionals are being sent to southern and western states where cases have skyrocketed, military officials say.