The campaign, allegedly run by Chinese intelligence, breached companies in at least a dozen countries, U.S. officials said.

Twitter’s stock fell 6.8 percent after the disclosure. Possible government hacking only was the the latest problem for the company.

There's ample evidence of hacker “B-teams” amongst even the most sophisticated nation-state groups and you shouldn't be afraid of them.

Google and Cisco praised the French government's push for more cyber norms.

The indictment returned by a grand jury in the Southern District of California lays out the hackers’ alleged tradecraft in detail.

A Russian lab very likely helped build tools used by an infamous hacking group known for its Trisis malware, FireEye says.