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Tokyo cityscape at night representing Japan's technological precision and urban brilliance

// Japan Cybersecurity Community

The art of
security,
Japanese style.

ものづくりのこころ、セキュリティへ

Japan invented the philosophy of monozukuri — making things with complete care and total commitment. Hack JP applies that same spirit to cybersecurity: methodical, precise, and relentlessly thorough.

参加する · Join Our Philosophy

Our Philosophy

ものづくりの
精神

Monozukuri — the spirit of making things. In Japan, this means total dedication to craft, continuous improvement, and an intolerance for defects. Hack JP believes cybersecurity deserves nothing less than this standard.

改

継続的改善

Kaizen · Continuous Improvement

Every vulnerability found is a lesson. Every incident is a system to improve. Security is never finished — only refined.

匠

職人精神

Shokunin · Master Craftsperson

The Japanese ideal of the master practitioner — someone who has devoted their life to a single discipline with total commitment.

和

調和と協力

Wa · Harmony & Collaboration

Japan's cybersecurity community is built on trust, information sharing, and collective responsibility — not competition alone.

Programs · プログラム

Structured for
mastery

Hack JP programmes follow the Japanese educational tradition of structured progression — each stage building completely on the last, with no shortcuts tolerated and no prerequisites skipped.

学ぶ

SECCON Partnership

Hack JP is the community home for SECCON — Japan's national CTF competition, one of Asia's most prestigious and technically demanding security events.

繋ぐ

Japan University Security Network

Connecting security clubs at Tokyo University, Keio, Waseda, Kyoto, and Osaka — building the academic-to-industry pipeline that Japanese industry needs.

守る

Critical Infrastructure Defence

A specialist programme focused on the cybersecurity of Japan's critical infrastructure — nuclear, transport, and financial systems, in coordination with NISC.

研究

Japan Bug Bounty League

A structured bug bounty programme connecting Japanese security researchers with major Japanese technology companies — keeping IP discovery within Japan.

育てる

女性ハッカー育成

A dedicated programme developing Japan's next generation of female security professionals — addressing one of the most significant talent gaps in Japanese cybersecurity.

繋がる

Japan ↔ APAC Bridge

Connecting Japanese security talent with regional opportunities in Singapore, South Korea, Australia, and Southeast Asia — and bringing the best of APAC to Japan.

CTF Culture · 競技文化

Japan's teams
compete at the
top of the world

Japanese CTF teams consistently dominate international competition — bringing the same methodical precision to offensive security challenges that Japanese engineers bring to hardware. The results speak for themselves.

DEF
CON champions
30+
Top-50 teams
TSG
Elite club, UTokyo
1 TSG University of Tokyo
2 m1z0r3 Multi-institution
3 zer0pts Elite professional team
4 Sakura CTFtime Top 20
5 SECCON_Beginners National community entry
+ And hundreds more The deepest bench in Asia

産業 · Industries

The sectors that
define Japanese excellence

Japan's economy is built on precision engineering, trusted institutions, and world-class technology. Hack JP talent protects all of them.

Automotive & Mobility Semiconductor & Electronics Financial Services Gaming & Entertainment Robotics & Automation Government & NISC Healthcare & Medical Devices Aerospace & Defence Smart Manufacturing

参加する · Join

技術を磨く
仲間と共に

Join the Hack JP community — honing your craft alongside Japan's most dedicated security researchers and practitioners.

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