Japan authorizes offensive cyber operations starting Oct. 1

Japan's government has decided to permit its Self-Defense Force to conduct offensive cyber operations, effective Oct. 1, 2026. Chief Cabinet Secretary Minoru Kihara stated that the nation faces the most complex national security environment since World War II, necessitating these measures due to increasing digitalization and the significant impact of cyberattacks on daily life and economic activities, with further coverage provided by The Register.

The new regulations will enable "proactive cyber-defense" actions, allowing Japan's police and Self-Defense Forces to "attack and disable" infrastructure used for cyberattacks. A government cyber-management committee will oversee and approve these operations, with a commitment to safeguarding citizens' privacy.

This move represents an evolution of Japan's post-war constitutional stance, which previously renounced offensive military capabilities. Japan joins a growing number of nations, including the United States, China, and Israel, that possess offensive cyber capabilities.

Source: The Register