🔐 Cybersecurity
5d ago
Japan Adopts Proactive Cyber Defense Strategy
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Executive Summary
Japan’s Active Cyber Defense (ACD) framework shifts the country from voluntary information sharing and post-incident investigation to mandatory reporting, preventive communications analysis, and limited disruption of attack infrastructure. Beginning October 1, 2026, designated critical infrastructure operators must notify the government about covered systems and report qualifying incidents; those with existing systems have six months to submit initial notifications. New
Japan’s Active Cyber Defense (ACD) framework shifts the country from voluntary information sharing and post-incident investigation to mandatory reporting, preventive communications analysis, and limited disruption of attack infrastructure. Beginning October 1, 2026, designated critical infrastructure operators must notify the government about covered systems and report qualifying incidents; those with existing systems have six months to submit initial notifications. New
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