Open Source Security Foundation

OpenSSF Community Day NA 2025
2025-06-26
Hosting: OpenSSF community, join us in Denver this summer! OpenSSF Community Days are hosted regionally, they are an opportunity for Community Members from across the Security and Open Source ecosystem to get together and share ideas and progress on capabilities that make it easier to sustainably secure the development, maintenance, and consumption of the open source software (OSS) we all depend on. Mark your calendar and get ready to meet & connect with the community!

Blackhat USA 2025
2025-08-02 - 2025-08-05
Attending: Join us as we attend Blackhat USA this year in Las Vegas!

Black Hat USA returns to the Mandalay Bay Convention Center in Las Vegas with a 6-day program. The event will open with four days of specialized cybersecurity Trainings (August 2-5), with courses for all skill levels. Also taking place during Black Hat USA is Summit Day on Tuesday, August 5, followed by the two-day main conference on August 6 & 7 featuring more than 100 selected Briefings, dozens of open-source tool demos in Arsenal, a robust Business Hall, networking and social events, and much more.

OpenSSF Community Day India
2025-08-04
Hosting: Join us for the OpenSSF Community Day India this summer! Co-located with KubeCon + CloudNativeCon India, this event will bring the open source community together in Hyderabad, India.
About OpenSSF Community Days: OpenSSF Community Days bring together a vibrant community from across the Security and Open Source ecosystems to share ideas and progress on capabilities that make it easier to sustainably secure the development, maintenance, and consumption of the software on which we all depend. These events, held regionally and co-located with KubeCon or Open Source Summits, offer an opportunity to engage with the brightest minds in security for a day of collaboration and innovation in software security best practices. As a home for tools, standards, and education, OpenSSF provides attendees the chance to explore these resources, share their experiences, and contribute to a safer and more secure digital world.

DEF CON 2025
2025-08-07 - 2025-08-10
The OpenSSF community is attending DEF CON 2025. DEF CON is one of the oldest continuously running hacker conventions around, and also one of the largest. Originally started in 1993, it was a meant to be a party for member of “Platinum Net”, a Fido protocol based hacking network out of Canada.

Open Source Summit Europe
2025-08-25 - 2025-08-27
Sponsoring: This year, we’re proud to sponsor Open Source Summit Europe and join the event alongside the OpenSSF community.
Open Source Summit is the premier gathering for open source developers, technologists, and community leaders to collaborate, share knowledge, solve challenges, and drive innovation—ensuring a sustainable open source ecosystem. It’s where code meets community.

We’ll have a booth presence at the event—stop by for project demos and community office hours:
Aug 25 (Monday):

10:30-12:30: AMA (Ask Me Anything) Baseline: Office Hours with Eddie Knight, Sonatype

12:30-14:30: Demo: Securing Software Repositories WG + RSTUF Project (Kairo de Araujo, Eclipse Foundation)
14:30-16:30: OpenSSF Mentor Program (Kairo de Araujo) | All things CRA (Harald Fischer)
16:30-17:35: Model signing and integrations with model hubs (Mihai Maruseac, Google)

Aug 26 (Tuesday):

10:30-12:30: All-things CRA – What Contributors & Maintainers need to know (Götz Martinek; Roman Zhukov, Red Hat) | Mapping to OSPS Baseline (Ben Cotton, Kusari)
16:30 – 18:30: AMA (Ask Me Anything) DevRel with Katherine Druckman

Aug 27 (Wednesday)

10:30-12:30: OSPS Baseline Office Hour (Ben Cotton, Kusari; Eddie Knight, Sonatype)
12:30-14:30: AMA (Ask Me Anything) DevRel – Katherine Druckman | AMA (Ask Me Anything) AI/ML Working Group – Mihai Maruseac, Google

If you’d like to reserve a slot for a demo, sign up for a session here.

OpenSSF Community Day Europe
2025-08-28
Hosting: OpenSSF is hosting another Community Day in Europe this summer, and we’d love for you to join us in beautiful Amsterdam, co-located with Open Source Summit EU! This event brings together a dynamic community from the security and open-source ecosystems to share ideas and progress on advancing the capabilities that make it easier to securely develop, maintain, and consume the software we all rely on. Held regionally alongside KubeCon and Open Source Summits, these events provide an opportunity to connect with top minds in security for a day of collaboration and innovation in software security best practices. As a hub for tools, standards, and education, OpenSSF offers attendees the chance to explore these resources, share experiences, and contribute to a safer, more secure digital world.

Open Source Security Meetup Tokyo
2025-09-26
Hosting: Join us at the OSS Security Meetup in Tokyo. The event will feature reports from Open Source Summit Europe 2025 and OpenSSF Community Day Europe, with sessions in Japanese covering the EU Cyber Resilience Act (CRA), SBOMs, and OSS security insights from Fujitsu, Renesas, and Cybertrust Japan.
Website: https://www.linuxfoundation.jp/events/2025/09/oss-security-meetup-on-september-26/

Open Source in Finance Forum New York
2025-10-21 - 2025-10-22
Sponsoring: The OpenSSF is sponsoring Open Source in Finance Forum New York this fall. The Open Source in Finance Forum (OSFF) is the premier event that connects the leaders in financial services, technology, and open-source innovation. This conference is uniquely designed to foster partnerships, advance talent development and accelerate technological advancements across the finance industry; building faster, trusted and secure solutions.

PyTorch Conference
2025-10-21 - 2025-10-23
Speaking: We’re going to be at the PyTorch Conference. OpenSSF’s AI/ML Security Working Group will host a group discussion on applying the lessons learned from DevSecOps to AI and Machine Learning.
Website: https://events.linuxfoundation.org/pytorch-conference

Linux Foundation Europe Member Summit
2025-10-28
Attending: The OpenSSF will be at the Linux Foundation Europe Member Summit this year! The annual gathering for Linux Foundation member organizations that fosters collaboration, innovation, and partnerships among the leading projects and organizations working to drive digital transformation with open source technologies.
Website: https://events.linuxfoundation.org/lf-europe-member-summit/

The Linux Foundation Europe Roadshow
2025-10-29
OpenSSF will sponsor and host the CRA in Practice: Secure Maintenance track, building on last year’s standing-room-only CRA workshop.

European Open Source Security Forum
2025-10-30
Hosting: The Forum is co-hosted by the Open Source Security Foundation (OpenSSF), a cross-industry initiative of the Linux Foundation dedicated to securing open source software, and the Centre for European Policy Studies (CEPS), a leading think tank on European affairs.
Date & Location: 30 October 2025 · Brussels
Registration: Complimentary, but space is limited. Please express your interest and the team will confirm your registration details.

OpenSSF Community Day Korea
2025-11-04
Hosting: Join Us at OpenSSF Community Day Korea – November 4, 2025 | Seoul, South Korea
OpenSSF Community Day Korea is a one-day event colocated with Open Source Summit Korea, bringing together the open source security community across the Asia-Pacific region. Whether you’re a developer, maintainer, researcher, or security professional, this event is your opportunity to connect, collaborate, and contribute to the future of open source security.

OSPOlogyLive Lyon
2025-11-05 08:00 - 2025-11-06 17:00 UTC
Speaking: Join the sixth edition of OSPOlogyLive Europe in Lyon to help organizations navigate open source management, strategy, and Open Source Program Offices’ operations in Europe. Hosted by Réseau de Transport d’Electricité and LF Energy in collaboration with TODO EU Chapter, Linux Foundation Europe, InnerSource Commons, CHAOSS, OpenSSF, CURIOSS, and OpenChain
Seats are limited to 50 people and require a direct invitation from organizers. People can express their interest in attending OSPOlogyLive Lyon by clicking the button on the official website.

Open Source SecurityCon 2025
2025-11-10
Hosting: We excited to host Open Source SecurityCon 2025 this year. This is a new event that fosters collaboration and shares innovation in cloud native security and open source software security. Sessions will cover architecture and policy, secure software development, supply chain security, identity and access, and open source public policy. The 1-day event will gather a diverse community of professionals to include software developers, security engineers, public sector experts, CISOs, CIOs and tech pioneers to address challenges and opportunities in modern security. Join us to collaborate and discover tools, knowledge and strategies to ensure a safer, more secure tomorrow.

FOSDEM 2026
2026-01-31 - 2026-02-01
Attending: The OpenSSF community will be onsite at FOSDEM 2026 with a booth presence – come meet the community, learn about our latest projects, and connect with fellow open source security practitioners. We’ll also be highlighting talks and discussions related to the Cyber Resilience Act (CRA), so stay tuned for program updates.
FOSDEM is a free event for developers to meet, share ideas, and collaborate. Every year, thousands of contributors from around the world gather in Brussels to explore the latest in free and open source software. No registration required, just show up and join the community.

Open Source SecurityCon 2026
2026-03-23
Hosting: Open Source SecurityCon is coming to Europe! This is a new event that fosters collaboration and shares innovation in cloud native security and open source software security. Sessions will cover architecture and policy, secure software development, supply chain security, identity and access, and open source public policy. The 1-day event will gather a diverse community of professionals to include software developers, security engineers, public sector experts, CISOs, CIOs and tech pioneers to address challenges and opportunities in modern security. Join us to collaborate and discover tools, knowledge and strategies to ensure a safer, more secure tomorrow.

KubeCon + CloudNativeCon Europe 2026
2026-03-23 - 2026-03-26
Sponsoring: OpenSSF is proud to sponsor KubeCon + CloudNativeCon Europe 2026! We’ll have a full booth presence throughout the week, plus a colocated event – Open Source SecurityCon – taking place on 23 March. Join us to connect with the community, learn about the latest in open source security, and explore how our projects support a more secure cloud native ecosystem.
KubeCon + CloudNativeCon brings together adopters and technologists from leading open source and cloud native communities. This year’s conference takes place in Amsterdam from 23–26 March 2026.Come visit us at the OpenSSF booth!
