The Office of the Director of National Intelligence published an annotated multi-media version of its Worldwide Threat Assessment, which was presented to the Senate Armed Services Committee in February.
According to the testimony, cyber threats from Russia, China, Iran and North Korea are the biggest concerns in the next year. It says that Russia, Iran and North Korea, in particular, are testing out more aggressive cyber threats, which pose a growing threat to the United States.
Russia is expected to carry out bolder and more sophisticated attacks that build on current capabilities, including hack-and-leak influence operations and DDoS attacks.
The intel community predicts that China will continue to use cyber espionage and bolster cyber attack capabilities to support national security priorities. It points out that most detected Chinese cyber attacks on U.S. private industry are focused on defense contractors or firms whose product and services support the government.
Iran is likely to continue to