The 20th International Workshop on Security (IWSEC 2025) will be held at ACROS Fukuoka, Fukuoka, Japan between November 25--27, 2025. 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 2025.

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), and Kyoto (2024).

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

IWSEC 2025 website is launched.