The 21st International Workshop on Security (IWSEC 2026) will be held in Tokyo, Japan between November 24--26, 2026. IWSEC is an annual international workshop, co-organized by ISEC of IEICE and CSEC of IPSJ.

Original papers on the research and development of various security topics, as well as case studies and implementation experiences, are solicited for submission to IWSEC 2026.

The previous IWSEC conferences have been held in Kyoto (2006), Nara (2007), Kagawa (2008), Toyama (2009), Kobe (2010), Tokyo (2011), Fukuoka (2012), Naha (2013), Hirosaki (2014), Nara (2015), Tokyo (2016), Hiroshima (2017), Sendai (2018), Tokyo (2019), Fukui/Online (2020), Tokyo/Online (2021), Tokyo/Online (2022), Yokohama/Online (2023), Kyoto (2024), and Fukuoka (2025).

If you have any questions about the workshop, please ask us via e-mail. Please do NOT contact the venue directly.

IWSEC 2026 website is launched.