China has increased its aggressive actions and rhetoric around politics, other divisive issues, researchers say.

Sen. Mark Warner said "new threats and new technology mean that we have to make substantial adjustments to our counterintelligence posture."

The FBI is working with U.S. Cyber Command to combat election threats that include disinformation operations and potential cyberattacks.

The Russian propaganda focuses on the threat that Ukrainian refugees could bring economic hardship to Europe.

China's certainly watching Russia's missteps in cyberspace, as well as the U.S. response.

The latest operation of the Dragonbridge information campaign shows signs of refinement, researchers said.