Cybersecurity Conferences in Japan

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RECOMMENDED | COSAC APAC 2026 - Information Security Conference

Japan is quickly becoming a leader in the field of cybersecurity. Over the past few decades, the nation has implemented several processes to strengthen its focus on IT security and protect its citizens. Japan's initiatives involve educating the public on cyber risks, enforcing anti-cybercrime laws, and investing in cyber defense equipment and resources.

In terms of conferences and events, Japan is home to several important cybersecurity events and conferences. These include the “Japan Computer Security Conference”, which is held annually in Tokyo and is the largest IT security event in the country. Other conferences include the Japan Security Network Symposium, the IECS International Conference on Information Technology and Security, and the Japan Information Security & Lightweight Cryptography Conference.

Additionally, Japan hosts several national and international cyber competitions, such as the National Information Security Practice Championship and the Japan Network Security Contest. These events are designed to motivate and reward innovative ideas in the field of cybersecurity, often showcasing advanced technologies developed by experts from around the world working to improve cyber safety.

The country also has a long-standing commitment to international collaboration, with the Japan Cyber Security Initiative (JCSI) a cooperative effort between the government and industry to strengthen ties between organizations across the globe. The JCSI is supported by the National Institute of Information and Communications Technology (NICT) and provides a platform to share cybersecurity-related information and initiatives to make cyberspace more secure.

All Upcoming Cybersecurity Events

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28th February 2026 | SECCON 14 Open Conference

SECCON is the largest CTF competition in Japan. We hold an in-person event called "Dennoh Kaigi" (電脳会議) alongside with SECCON CTF Final competition every year. Many workshops, presentations, and mini CTFs are gathered in Dennoh Kaigi. "Open Conference" is a presentations track of Dennoh Kaigi.

At last year's SECCON Open Conference 13, various presentations were made, including on attack methods against browser extensions, the development of attack detection technology for connected cars using machine learning, and experiences taking on OSINT CTF.

We are inviting proposals for presentations via a Call for Presentations. We're looking for presentations about technological research or tool around Cyber Security. We are also looking for any difficulty proposals and it is not needed that you have previous speaker experience. :)

[ Event Information ]

  • Date : 28th Feburary 2026 and 1st March 2026
  • Venue : HULIC ASAKUSABASHI bld., 1-22-16 Asakusabashi, Taito-ku, Tokyo
  • After-party : 1st March 2026 at HULIC HALL & CONFERENCE

[ Application Period ]

  • Application due date : 16th January 2026, 23:59 JST.
  • Notification : 26th January 2026

Submissions before the following dates will receive the result and comments earlier than the final due. You are welcomed to refine and re-submit your proposal while the CFP opened.

  • 1st period : 17th October 2025, 23:59 JST. ( Notification : 27th October 2025 )
  • 2nd period : 21th November 2025, 23:59 JST. ( Notification : 1st December 2025 )

[ Requirement ]

  • It can be anything related to information security. Presentations accepted by other conferences are welcome.
  • We accept proposals in English or Japanese.
  • Presentation time is 20 minutes or 50 minutes. Please choose a time when submitting.
  • We accept presentations about new tools, but we don't accept it if it is related to sales approach.
  • Must be posted by the original author.
  • We urge you to submit your proposal early before the CFP closes since we will close it prior to the final due date if enough quality proposals are received to fill the slots.
  • This conference is operated in accordance with SECCON 14 Code of Conduct. https://www.seccon.jp/14/seccon/code-of-conduct.htm

If you have any questions, please feel free ask to cfp14@seccon.jp !

Physical • Free • Part of SECCON

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14th April 2026 | IDC Security and Trust Forum Japan 2026

As Japanese companies accelerate their AI-driven transformation in 2026, establishing trust and maintaining security across the entire digital ecosystem will be essential to ensuring business sustainability. According to IDC Worldwide research, the emergence of generative AI and automation technologies is expected to boost global productivity by $1 trillion by 2026. Furthermore, Japan's security solutions and services market is undergoing a structural transformation centered on generative AI, zero-trust frameworks, and platform-based security models, with significant growth expected across the market.

While corporate IT environments are undergoing major changes driven by generative AI and cloud computing, increasingly sophisticated cyberattacks, stricter regulations, and the challenge of ensuring trust remain pressing issues for information systems departments.

IDC Security & Trust Forum 2026, Japan will explore these critical issues under the theme: “Securing AI-Powered Business: Navigating the new frontier of trust, compliance, and innovation​”

IDC analysts and industry leaders will share the latest insights and case studies, offering recommendations on security measures that corporate IT departments should prioritize and how to build a sustainable security system.

Physical • Free • Part of IDC

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27th October 2026 | International Conference on Information and Communications Security (ICICS) 2026

The 2026 International Conference on Information and Communications Security (ICICS 2026) is the 28th edition of a series of a highly successful international conference on information and communications security. The conference started in 1997 and aims at bringing together researchers and practioners from both academia and industry to discuss and exchange their experiences, lessons learned, and insights related to information and communications security. The 2026 conference will be held in Fukui, Japan on 27-30 October, 2026. The proceedings of ICICS 2026 will be published by Springer in the LNCS series.

Physical • Paid • Part of The University of Aizu

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