The United States will extend its cyberdefense umbrella over Japan, helping its ally cope with the growing threat of online attacks against military bases and infrastructure such as power grids, the two nations said in a joint statement Saturday.
"We note a growing level of sophistication among malicious cyberactors, including nonstate and state-sponsored actors," they said in a statement released by the U.S.-Japan Cyber Defense Policy Working Group, which was established in 2013.
Cybersecurity is a key area where Japan and the United States are deepening their military partnership under a set of new security guidelines released in April that will also integrate their ballistic missile defense systems and give Tokyo a bigger security role in Asia as China's military might grows.
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