The motives of state-sponsored hackers go beyond simple tactical, intelligence and economic gains.

China and Russia remain leading threats in cyberspace, the director of national intelligence said in front of Congress.

Some important new trends emerged in Chinese cyber policy this year.

North Korea's near-complete isolation may have had something to do with the 2010 failure of a Stuxnet-related attack.

In a recent speech, the head of the NSA notes that the U.S. will retaliate against malicious actors in cyberspace.

Taiwan could be a useful partner in countering Chinese hackers, says the country's vice premier.

A recent report singles out Russia as one of the most sophisticated nation-state actors in cyberspace.

Japan is trying to battle cyber attacks through increased international cooperation.

A new office shows the central role that cybersecurity plays in the White House's national security calculus.

Plus, Indian Air Force gets new Su-30s, invading North Korea, Putin and Tea Party conservatives, and more. Links.

Plus, more on the Sony Pictures hack, Afghan security, and intelligence failures. Mid-week links.

If North Korea is shown to have sponsored the attack on Sony Pictures, the U.S. must respond with proportionate action.