Japan ·National cybersecurity strategy

Cybersecurity Strategy of Japan (2025)

In force · 23 December 2025

Summary

Adopted by the Cabinet on 23 December 2025 for the following five years, the strategy aims at 'government-centred defence and deterrence'. It provides for cooperation between the police, the Defense Ministry and the Self-Defense Forces to neutralise serious attacks, implementing the 2025 active cyber defence law. It names state-sponsored and AI-driven attacks as serious threats.

Original title

サイバーセキュリティ戦略（2025年）

Title in other languages

• Strategia di cybersicurezza del Giappone (2025)
• Stratégie de cybersécurité du Japon (2025)
• Estrategia de ciberseguridad de Japón (2025)

Jurisdiction

Japan

Issuing body

Cabinet of Japan – National Cybersecurity Office

Type

National cybersecurity strategy

Strategy form

Standalone strategy

Date adopted

23 December 2025

Status

In force

Available languages

Japanese

Topics

• Cyber defence and military
• Critical infrastructure
• Artificial intelligence
• Skills and training
• Diplomacy and international cooperation

Strategic objectives

• Deterrence and response capability
• Protect critical information infrastructure
• Strengthen training and education
• Organise cyber security exercises
• Engage in international cooperation

Licence / terms of use

Unknown

Notes

Testo integrale pubblicato dal National Cybersecurity Office (国家サイバー統括室); sintesi ufficiale: https://www.cyber.go.jp/pdf/policy/kihon-s/cs_strategy2025_abstract.pdf

Collected from

manuale

Last verified

27 October 2026 (verified via web)

Cabinet of Japan – National Cybersecurity Office. (2025). サイバーセキュリティ戦略（2025年）. https://www.cyber.go.jp/pdf/policy/kihon-s/cs_strategy2025.pdf

Cabinet of Japan – National Cybersecurity Office. "サイバーセキュリティ戦略（2025年）." 23 December 2025. https://www.cyber.go.jp/pdf/policy/kihon-s/cs_strategy2025.pdf.

@misc{jp_cybersecurity_strategy_2025,
  author       = {{Cabinet of Japan – National Cybersecurity Office}},
  title        = {{サイバーセキュリティ戦略（2025年）}},
  year         = {2025},
  url          = {https://www.cyber.go.jp/pdf/policy/kihon-s/cs_strategy2025.pdf},
  urldate      = {2026-10-27}
}

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