Threats

Russian Hackers Will Try ‘Again and Again,’ Warns Samantha Power

In her parting speech, Obama’s UN ambassador says it is ‘naive’ to think Russia won’t keep meddling to destabilize the West.

Ideas

SPECIAL REPORT: The Military Loves the Obama Doctrine. Can It Survive Trump?

Commanders say they’re already fighting ISIS the right way: “by, with, and through” local forces.

Threats

Defense Secretary Nominee Cautions Against ‘Stumbling’ into Cyberwar

James Mattis also said he was “philosophically OK” with elevating U.S. Cyber Command into a unified command.

Threats

Trump’s Cyber-Appeasement Policy Might Encourage More Hacks

Casting doubt on security experts’ ability to identify the culprits behind cyberattacks could make it hard to deter the next one.

Threats

Here's Why Trump's Intel Bashing Matters

The president-elect’s denigration of the Russian hacking findings will make it harder to make a case against other U.S. adversaries, former officials say.

Science & Tech

The Technology Race to Build — or Stop — North Korea’s Nuclear Missiles

As Pyongyang warns of an upcoming ICBM test, and Trump threatens to stop it, the Pentagon has few good options.

Threats

The Key to Putin’s Cyber Power

The Russian president has both the capability and the intent to cause harm, says a former U.S. ambassador to Russia. And the threat won’t vanish once Donald Trump takes office.

Threats

What We Know About the Syrian Ceasefire Announced by Putin

Russia and Turkey say Syrian government forces and rebels will begin a truce at midnight on December 30. Other details are thin.