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What’s in the SOSS? Podcast #38 – Securing AI: A Conversation with Sarah Evans on OpenSSF’s AI/ML Initiatives

By Podcast

Summary

In this episode of “What’s in the SOSS,” we welcome back Sarah Evans, Distinguished Engineer at Dell Technologies and a key figure in the OpenSSF’s AI/ML Security working group. Sarah discusses the critical work being done to extend secure software development practices to the rapidly evolving field of AI. She dives into the AI Model Signing project, the groundbreaking MLOps whitepaper developed in partnership with Ericsson, and the crucial work of identifying and addressing new personas in AI/ML operations. Tune in to learn how OpenSSF is shaping the future of AI security and what challenges and opportunities lie ahead.

Conversation Highlights

0:00 Welcome and Introduction to Sarah Evans
0:48 Sarah Evans: Role at Dell Technologies and Involvement in OpenSSF
1:38 The OpenSSF AI/ML Working Group: Genesis and Goals
3:37 Deep Dive: The AI Model Signing Project with Sigstore
4:28 AI Model Signing: Benefits for Developers
5:20 Transition to the MLSeCOps White Paper
5:49 The Mission of the MLSecOps White Paper: Addressing Industry Gaps
7:00 Collaboration with Ericsson on the MLEC Ops White Paper
8:15 Identifying and Addressing New Personas in AI/ML Ops
10:04 The Power of Open Source in Extending Previous Work
10:15 Future Directions for OpenSSF’s AI/ML Strategy
11:21 OpenSSF’s Broader AI Security Focus
12:08 Sneak Peek: New Companion Video Podcast on AI Security
12:31 Sarah’s Personal Focus: The Year of the Agents (2025)
13:00 Security Concerns: Bringing Together Data Models and Code in AI Applications
14:00 Conclusion and Thanks

Transcript

0:00 Intro Music & Promo Clip: We have so much experience in applying secure software development to CI/CD and software, we can extend what we’ve learned to the data teams and to those AI/ML engineering teams because ultimately, I don’t think that we want a world where we have to do separate security governance across AI apps.

CRob:

0:20: Welcome, welcome, welcome to What’s in the SOSS, where we talk to interesting characters from around the open source security ecosystem, maintainers, engineers, thought leaders, contributors, and I just get to talk to a lot of really great people along the way.  Today we have a friend of the show we’ve already had discussions with her in the past. I am so pleased and proud to introduce my friend Sarah Evans. Sarah, for our audience, could you maybe just tell them, remind them, you know who you are and what do you do and what you’ve been up to since our last talk.

Sarah Evans:

0:57: Well, thanks for having me here. I’m a distinguished engineer at Dell Technologies, and I have two roles. One is I do security applied research for my company looking at the future of security in our products and what innovation that we need to explore to improve the security by design. My second role is to activate my company to participate in OpenSSF, which I have thoroughly enjoyed getting to work with friends such as yourselves. I am very active and engaged in the AI/ML working group and trying to advocate for AI security.

CRob:

1:37: Awesome, yeah. And that actually brings us to our talk today. Our friends within your working group, the AI/ML working group, you’ve had a flurry of activity lately. I would love to talk about, you know, first off, let’s give the audience some context. Let’s talk about what is this group, and what’s kind of your some of your goals.

Sarah Evans:

1:58: Yeah, so the AI/ML working group really kind of came into fruition about a year and a half ago, I think, and we needed a space where we could talk about how the work that software developers were doing would change as they started to build applications that had AI in it. So were there things that we were doing today that could apply to the way the technology was changing?

One of the initial concerns is software secure software development we know a lot about that, but we may know less about AI. So is is a home for AI and OpenSSF appropriate? Should we be deeply partnering with some of the other foundations that are creating these data sets, creating the tools and models, and so we started the working group where our commitment to the tech was that we would deeply engage with the other groups around the ecosystem which we have. Done, but then we’ve also been looking for where are those places that are uniquely in the OpenSSF wheelhouse or swim lane of expertise on extending software security to AI applications, and I think that we’ve done a really good job of kind of exploring some of those places.

One of them has been with a white paper that we are partnering with another member in Ericsson to deliver, and that is something that we’re very proud of sharing with the community.

CRob:

3:28: Great, I’m really excited to talk about these projects because I for one welcome our robot overlords. Let’s first off start off – we had a big, you guys had a big announcement that really seems to have captured the imagination of the community. Let’s talk about the AI model signing project.

Sarah Evans:

3:47: Yes, so the model signing project, we worked that as a special interest group within our working group. We were approached by, some folks who are working in partnership with SigS store and. The idea was that if you can use Sigstore to sign code, could you extend Sigstore to sign a model and fill and close a gap that didn’t exist in the industry, and as you know, we were able to do that. There was a team of people that came together in the open source fashion to extend a tool to a new use case. And that’s just been very exciting to watch that evolve.

CRob

4:27: That’s awesome.

Sarah Evans:

4:28: So thinking about it from the developer perspective, I’m a developer working in the AI, how does this help me?

CRob

4:36: Right?

Sarah Evans:

4:36: So right now if you are pulling a model off of hugging face as an example, you don’t have any cryptographic digital signature on that model that that verifies it. The way you would with code. And so if that model has been signed with the SIS store components, then now you have the information that you would use to validate code. You can also follow some of those similar processes to validate a signed model.

CRob

5:07: Pretty cool.

Sara Evans

5:08: Yeah, it’s a really good use case for the supply chain security. And extending what we know about software to models and data that are part of our AI applications.

CRob

5:20: This seems to be kind of a theme for you taking classic ASA and applying it to the newer technologies. So let’s move on to the white paper. You and I have collaborated around some graphics for this, and then you’ve got a couple of folks you’re working with on the white paper. You’re shepherding through review and publication, and you should be able to read that now. So you know why do you think this talk, let’s talk about the white paper, you know, what’s it about? What’s it kind of the mission of it?

Sarah Evans

5:49: When the AI/ML working group first kicked off, I knew that we had seen this evolution of developing on open source software and processes called DevOps and then those evolved to DevSecOps over time. And so with the disruptive technology around AI/ML, I wanted to know what were the processes that a data scientist or an AI/ML engineer used and did they have the security governance they needed in their operational processes.

So I started to look at what is DataOps, what is MLops, what is LLMOps, like all the alphabet soup of ops all the ops. And I couldn’t find a lot of information online. And so I thought this is an industry gap that we have and we have so much experience in applying secure software development to CICD and software.

We can extend what we’ve learned to the data teams and to those AI/ML engineering teams because ultimately I don’t think that we want a world where we have to do separate security governance across AI apps that have these different operational pieces in them.

I was doing my research and I found a white paper by Ericsson on MLSecOps in the telco environment. Ericsson being a fellow member of OpenSSF, I, you know, worked through their OSPO and through some of the connections that we have in OpenSSF said, Hey, can you introduce me to those authors? I would love to see if we could up level that as a general resource to the community as an OpenSSF whitepaper. We were able to do that. They have been a fantastic partner in collaboration.

And so now we have for the industry an MLSecOps white paper reference architecture and some documentation about extending in two ways:

  1. One is if you’re a software developer now and you’re being asked to build an AI app, you have more information about what goes on in that MLOps environment.
  2. And if you are a person who’s creating an MLOps app and you haven’t had secure development training before, you now have a resource so it really serves kind of an existing member of our community and a new member of potential members of our community.

CRob

8:14: That’s really awesome. Congrats on that. Another area that we’ve collaborated on, the OpenSSF has a series of personas. We have 5 personas and that kind of organizes and drives our work. We have a Maintainer developer persona and OSPO persona and executive persona and so forth but one thing that you came to me that you realized early on as you were developing this white paper is there was a, there’s some gaps. Could you maybe talk about those gaps and what we’ve done to address them?

Sarah Evans

8:46: Yeah, where we found the gaps were in sub-personas so those main core personas that OpenSSF has been working with were, were just solid. We still have developers and maintainers, we still have security engineers…we still have folks working in our open source program offices, but the sub-personas were very software developer focused.

They really didn’t include some of the personas that we were seeing related to curating data sets, putting together end to end architectures, or, kind of putting together a pipeline for machine learning as a data engineer. So we, I worked based off of the language in that original Ericsson white paper that we have up leveled to an OSSF white paper to take those personas that work in that MLE op space and add them as sub personas within OpenSSF. So now we can all start to have the same language and understanding around who might be developing software applications, new members of our community that we want to be inclusive of and have language to understand how to reach them and partner with them.

CRob

10:04: I just love the power of open source where you find some previous work, you get value out of it, and then you expand it.  Thank you so much for contributing that back.

Sarah Evans

10:13: Absolutely.

CRob

10:15: And where are you going from here? Where are the next steps around the white paper?

Sarah

10:19: I think we want to spend some time championing and then you know, meeting with our community we’ve discovered that potentially OpenSSF would like to have a broader AI/ML strategy or program and so really understanding how those strategic efforts will evolve and making sure that we can plug into those and provide resources that that strategically move OpenSSF forward into this new space those could include an MLSecOps document or maybe even a converged enterprise view of multiple ops but we’re also open to just looking at. Maybe some of the other areas that have been identified such as dealing with potentially AI slop or other concerns related to AI/ML.

I think there’s a really great opportunity for OpenSSF to look through our stack of tools and processes and understand how we can extend those to AI/ML use cases and applications.

I know that there is an opportunity to have a strategic program around AI and securing AI applications, and I’m really excited and looking forward to what the future of OpenSSF tools, processes, procedures, best practices look like so we can really support our software developers as they’re developing secure AI applications.

CRob

11:12: That’s awesome. I’m really looking forward to collaborating with you all and kind of championing and showcasing the work going forward. So thank you very much.

Let’s move along. We will be creating a new companion video podcast focused on this amazing community of AI security experts we have here within OpenSSF and within the broader community, and we’ll be talking about AI security news and topics. And I’m going to give this, take this opportunity to give the listeners a sneak peek of what we might be discussing very soon. So from your perspective, Sarah, you know, beyond these cool projects that you’re working on, what are you personally keeping an eye on in this fast moving AI space?

Sarah Evans

12:42: Well, I’ll tell you, 2025 is the year of the agents, and understanding the accelerated rate that agents that impact they will have on AI applications has been something I’ve been spending a lot of time on.

CRob

12:56: Pretty cool. I’m looking forward to learning more with everyone together. And from your perspective again, what’s keeping you up at night in regards to this crazy AI/ML, LLM, GenAI agentic, blah blah blah, machine space? What what are you concerned about from a security perspective?

Sarah Evans

I think for me from a security perspective bringing together data models and deploying it with code really puts an end to end AI application. It puts a lot of pressure on teams that may not have had to tightly work together before to begin to tightly work together. And so that’s why the personas and the and the converged operations and thinking about how do we apply what security we know to new areas is so important because we don’t have a moment to lose.

There’s such accelerated excitement around leveraging AI and leveraging agents that’s going to be very important for us to have a common way to talk to each other and to begin to solve problems and challenges so that we can innovate with this technology.

CRob

13:59: Excellent. Well, Sarah, I really appreciate your time come and talk to us about these amazing going on and kind of giving us a sneak peek into the future. And you know, I, I want to thank you again from behalf of the foundation, our community, and you know all the maintainers and enterprises that we serve. So thanks for showing up today.

Sarah Evans

14:17: Yeah, thanks, CRob.

CRob

14:18: Yeah, and that’s a wrap today. Thank you for listening to what’s in the SOSS. Have a great day and happy open sourcing.

Outro

14:29: Like what you’re hearing, be sure to subscribe to what’s in the SOSS on Spotify, Apple Podcasts, Antennapod, Pocketcast, or wherever you get your podcasts. There’s a lot going on with the OpenSSF and many ways to stay on top of it all. Check out the newsletter for open source news, upcoming events, and other happenings. Go to OpenSSF.org/newsletter to subscribe. Connect with us on LinkedIn for the most up-to-date OpenSSF news and insight, and be a part of the OpenSSF community at OpenSSF.org/getinvolved. Thanks for listening and we’ll talk to you next time on What’s in the SOSS.

OpenSSF at DEF CON 33: AI Cyber Challenge (AIxCC), MLSecOps, and Securing Critical Infrastructure

By Blog

By Jeff Diecks

The OpenSSF team will be attending DEF CON 33, where the winners of the AI Cyber Challenge (AIxCC) will be announced. We will also host a panel discussion at the AIxCC village to introduce the concept of MLSecOps.

AIxCC, led by DARPA and ARPA-H, is a two-year competition focused on developing AI-enabled software to automatically identify and patch vulnerabilities in source code, particularly in open source software underpinning critical infrastructure.

OpenSSF is supporting AIxCC as a challenge advisor, guiding the competition to ensure its solutions benefit the open source community. We are actively working with DARPA and ARPA-H to open source the winning systems, infrastructure, and data from the competition, and are designing a program to facilitate their successful adoption and use by open source projects. At least four of the competitors’ Cyber Resilience Systems will be open sourced on Friday, August 8 at DEF CON. The remaining CRSs will also be open sourced soon after the event.

Join Our Panel: Applying DevSecOps Lessons to MLSecOps

We will be hosting a panel talk at the AIxCC Village, “Applying DevSecOps Lessons to MLSecOps.” This presentation will delve into the evolving landscape of security with the advent of AI/ML applications.

The panelists for this discussion will be:

  • Christopher “CRob” Robinson – Chief Security Architect, OpenSSF
  • Sarah Evans – Security Applied Research Program Lead, Dell Technologies
  • Eoin Wickens – Director of Threat Intelligence, HiddenLayer

Just as DevSecOps integrated security practices into the Software Development Life Cycle (SDLC) to address critical software security gaps, Machine Learning Operations (MLOps) now needs to transition into MLSecOps. MLSecOps emphasizes integrating security practices throughout the ML development lifecycle, establishing security as a shared responsibility among ML developers, security practitioners, and operations teams. When thinking about securing MLOps using lessons learned from DevSecOps, the conversation includes open source tools from OpenSSF and other initiatives, such as Supply-Chain Levels for Software Artifacts (SLSA) and Sigstore, that can be extended to MLSecOps. This talk will explore some of those tools, as well as talk about potential tooling gaps the community can partner to close. Embracing this methodology enables early identification and mitigation of security risks, facilitating the development of secure and trustworthy ML models.  Embracing MLSecOps methodology enables early identification and mitigation of security risks, facilitating the development of secure and trustworthy ML models.

We invite you to join us on Saturday, August 9, from 10:30-11:15 a.m. at the AIxCC Village Stage to learn more about how the lessons from DevSecOps can be applied to the unique challenges of securing AI/ML systems and to understand the importance of adopting an MLSecOps approach for a more secure future in open source software.

About the Author

JeffJeff Diecks is the Technical Program Manager for the AI Cyber Challenge (AIxCC) at the Open Source Security Foundation (OpenSSF). A participant in open source since 1999, he’s delivered digital products and applications for dozens of universities, six professional sports leagues, state governments, global media companies, non-profits, and corporate clients.

MLSecOps Whitepaper

Visualizing Secure MLOps (MLSecOps): A Practical Guide for Building Robust AI/ML Pipeline Security

By Blog, Guest Blog

By Sarah Evans and Andrey Shorov

The world of technology is constantly evolving, and with the rise of Artificial Intelligence (AI) and Machine Learning (ML), the demand for robust security measures has become more critical than ever. As organizations rush to deploy AI solutions, the gap between ML innovation and security practices has created unprecedented vulnerabilities we are only beginning to understand.

A new whitepaper, Visualizing Secure MLOps (MLSecOps): A Practical Guide for Building Robust AI/ML Pipeline Security,” addresses this critical gap by providing a comprehensive framework for practitioners focused on building and securing machine learning pipelines.

Why MLSecOps, Why Now

Why this topic? Why now? 

AI/ML systems encompass unique components, such as training datasets, models, and inference pipelines, that introduce novel weaknesses demanding dedicated attention throughout the ML lifecycle.

The evolving responsibilities within organizations have led to an intersection of expertise:

  1.     Software developers, who specialize in deploying applications with traditional code, are increasingly responsible for incorporating data sets and ML models into those applications.
  2.     Data engineers and data scientists, who specialize in data sets and creating algorithms and models tailored to those data sets, are expected to integrate data sets and models into applications using code.

These trends have exposed a gap in security knowledge, leaving AI/ML pipelines susceptible to risks that neither discipline alone is fully equipped to manage. To resolve this, we investigated how we could adapt the principles of secure DevOps to secure MLOps by creating an MLSecOps framework that empowers  both software developers and AI-focused professionals with the tools and processes needed for end-to-end ML pipeline security. During our research, we identified a scarcity of practical guidance on securing ML pipelines using open-source tools commonly employed by developers. This white paper aims to bridge that gap and provide a practical starting point.

What’s Inside the Whitepaper

This whitepaper is the result of a collaboration between Dell and Ericsson, leveraging our shared membership in the OpenSSF with the foundation stemming from a publication on MLSecOps for telecom environments authored by Ericsson researchers [https://www.ericsson.com/en/reports-and-papers/white-papers/mlsecops-protecting-the-ai-ml-lifecycle-in-telecom]. Together, we have expanded upon Ericsson’s original MLSecOps framework to create a comprehensive guide that addresses the needs of diverse industry sectors. 

We are proud to share this guide as an industry resource that demonstrates how to apply open-source tools from secure DevOps to secure MLOps. It offers a progressive, visual learning experience where concepts are fundamentally and visually layered upon one another, extending  security beyond traditional code-centric approaches. This guide integrates insights from CI/CD, the ML lifecycle, various personas, a sample reference architecture, mapped risks, security controls, and practical tools.

The document introduces a visual, “layer-by-layer” approach to help practitioners securely adopt ML, leveraging open-source tools from OpenSSF initiatives such as Supply-Chain Levels for Software Artifacts (SLSA), Sigstore, and OpenSSF Scorecard. It further explores opportunities to extend these tools to secure the AI/ML lifecycle using MLSecOps practices, while identifying specific gaps in current tooling and offering recommendations for future development.

For practitioners involved in the design, development, deployment, and operations as well as securing of AI/ML systems, this whitepaper provides a practical foundation for building robust and secure AI/ML pipelines and applications.

Join Us

Ready to help shape the future of secure AI and ML?

Read the Whitepaper

Join the AI/ML Security Working Group

Explore OpenSSF Membership

Author Bios

Sarah Evans delivers technical innovation for secure business outcomes through her role as the security research program lead in the Office of the CTO at Dell Technologies. She is an industry leader and advocate for extending secure operations and supply chain development principles in AI. Sarah also ensures the security research program explores the overlapping security impacts of emerging technologies in other research programs, such as quantum computing. Sarah leverages her extensive practical experience in security and IT, spanning small businesses, large enterprises (including the highly regulated financial services industry and a 21-year military career), and academia (computer information systems). She earned an MBA, an AIML professional certificate from MIT, and is a certified information security manager. Sarah is also a strategic and technical leader representing Dell in OpenSSF, a foundation for securing open source software.

Andrey Shorov is a Senior Security Technology Specialist at Product Security, Ericsson. He is a cybersecurity expert with more than 16 years of experience across corporate and academic environments. Specializing in AI/ML and network security, Andrey advances AI-driven cybersecurity strategies, leading the development of cutting-edge security architectures and practices at Ericsson and contributing research that shapes industry standards. He holds a Ph.D. in Computer Science and maintains CISSP and Security+ certifications.

🎉 Celebrating Five Years of OpenSSF: A Journey Through Open Source Security

By Blog

August 2025 marks five years since the official formation of the Open Source Security Foundation (OpenSSF). Born out of a critical need to secure the software supply chains and open source ecosystems powering global technology infrastructure, OpenSSF quickly emerged as a community-driven leader in open source security.

“OpenSSF was founded to unify and strengthen global efforts around securing open source software. In five years, we’ve built a collaborative foundation that reaches across industries, governments, and ecosystems. Together, we’re building a world where open source is not only powerful—but trusted.” — Steve Fernandez, General Manager, OpenSSF

🌱 Beginnings: Answering the Call

OpenSSF was launched on August 3, 2020, consolidating earlier initiatives into a unified, cross-industry effort to protect open source projects. The urgency was clear—high-profile vulnerabilities such as Heartbleed served as stark reminders that collective action was essential to safeguard the digital infrastructure everyone depends on.

“From day one, OpenSSF has been about action—empowering the community to build and adopt real-world security solutions. Five years in, we’ve moved from ideas to impact. The work isn’t done, but the momentum is real, and the future is wide open.” — Christopher “CRob” Robinson, Chief Architect, OpenSSF

🚀 Milestones & Major Initiatives

Over the past five years, OpenSSF has spearheaded critical initiatives that shaped the landscape of open source security:

2021 – Secure Software Development Fundamentals:
Launching free educational courses on edX, OpenSSF equipped developers globally with foundational security practices.

“When we launched our first free training course in secure software development, we had one goal: make security knowledge available to every software developer. Today, that same mission powers all of OpenSSF—equipping developers, maintainers, and communities with the tools they need to make open source software more secure for everyone.” — David A. Wheeler, Director, Open Source Supply Chain Security, Linux Foundation

2021 – Sigstore: Open Source Signing for Everyone:
Sigstore was launched to make cryptographic signing accessible to all open source developers, providing a free and automated way to verify the integrity and provenance of software artifacts and metadata.

“Being part of the OpenSSF has been crucial for the Sigstore project. It has allowed us to not only foster community growth, neutral governance, and engagement with the broader OSS ecosystem, but also given us the ability to coordinate with a myriad of in-house initiatives — like the securing software repos working group — to further our mission of software signing for everybody. As Sigstore continues to grow and become a core technology for software supply chain security, we believe that the OpenSSF is a great place to provide a stable, reliable, and mature service for the public benefit.”
Santiago Torres-Arias, Assistant Professor at Purdue University and Sigstore TSC Chair Member 

2021-2022 – Security with OpenSSF Scorecard & Criticality Score:
Innovative tools were introduced to automate and simplify assessing open source project security risks.

“The OpenSSF has been instrumental in transforming how the industry approaches open source security, particularly through initiatives like the Security Scorecard and Sigstore, which have improved software supply chain security for millions of developers. As we look ahead, AWS is committed to supporting OpenSSF’s mission of making open source software more secure by default, and we’re excited to help developers all over the world drive security innovation in their applications.” — Mark Ryland, Director, Amazon Security at AWS

2022 – Launch of Alpha-Omega:

Alpha-Omega (AO), an associated project of the OpenSSF launched in February 2022, is funded by Microsoft, Google, Amazon, and Citi. Its mission is to enhance the security of critical open source software by enabling sustainable improvements and ensuring vulnerabilities are identified and resolved quickly. Since its inception, the Alpha-Omega Fund has invested $14 million in open source security, supporting a range of projects including LLVM, Java, PHP, Jenkins, Airflow, OpenSSL, AI libraries, Homebrew, FreeBSD, Node.js, jQuery, RubyGems, and the Linux Kernel. It has also provided funding to key foundations and ecosystems such as the Apache Software Foundation (ASF), Eclipse Foundation, OpenJS Foundation, Python Foundation, and Rust Foundation.

2023 – SLSA v1.0 (Supply-chain Levels for Software Artifacts):
Setting clear and actionable standards for build integrity and provenance, SLSA was a turning point for software supply chain security and became essential in reducing vulnerabilities.
At the same time, community-driven tools like GUAC (Graph for Understanding Artifact Composition) built on SLSA’s principles, unlocking deep visibility into software metadata, making it more usable, actionable and connecting the dots across provenance, SBOMs and in-toto security attestations.

“Projects like GUAC demonstrate how open source innovation can make software security both scalable and practical. Kusari is proud to have played a role in these milestones, helping to strengthen the resiliency of the open source software ecosystem.”

Michael Lieberman, CTO and Co-founder at Kusari and Governing Board member

2024 – Principles for Package Repository Security:

Offering a voluntary, community-driven security maturity model to strengthen the resilience of software ecosystems.

“Developers around the world rely daily on package repositories for secure distribution of open source software. It’s critical that we listen to the maintainers of these systems and provide support in a way that works for them. We were happy to work with these maintainers to develop the Principles for Package Repository Security, to help them put together security roadmaps and provide a reference in funding requests.” — Zach Steindler, co-chair of Securing Software Repositories Working Group, Principal Engineer, GitHub

2025

OSPS Baseline:
This initiative brought tiered security requirements into the AI space, quickly adopted by groundbreaking projects such as GUAC, OpenTelemetry, and bomctl.

“The Open Source Project Security Baseline was born from real use cases, with projects needing robust standardized guidance around how to best secure their development processes. OpenSSF has not only been the best topical location for contributors from around the world to gather — the foundation has gone above and beyond by providing project support to extend the content, promote the concept, and elevate Baseline from a simple control catalog into a robust community and ecosystem.” — Eddie Knight, OSPO Lead, Sonatype

AI/ML Security Working Group: 

The MLSecOps White Paper from the AI/ML Security Working Group marks a major step in securing machine learning pipelines and guiding the future of trustworthy AI.

“The AI/ML working group tackles problems at the confluence of security and AI. While the AI world is moving at a breakneck pace, the security problems that we are tackling in the traditional software world are also relevant. Given that AI can increase the impact of a security vulnerability, we need to handle them with determination. The working group has worked on securing LLM generating code, model signing and a new white paper for MLSecOps, among many other interesting things.” — Mihai Maruseac, co-chair of AI/ML Security Working Group, Staff Software Engineer, Google

🌐 Growing Community & Policy Impact

OpenSSF’s role rapidly expanded beyond tooling, becoming influential in global policy dialogues, including advising the White House on software security and contributing to critical policy conversations such as the EU’s Cyber Resilience Act (CRA).

OpenSSF also continues to invest in community-building and education initiatives. This year, the Foundation launched its inaugural Summer Mentorship Program, welcoming its first cohort of mentees working directly with technical project leads to gain hands-on experience in open source security.

The Foundation also supported the publication of the Compiler Options Hardening Guide for C and C++, originally contributed by Ericsson, to help developers and toolchains apply secure-by-default compilation practices—especially critical in memory-unsafe languages.

In addition, OpenSSF has contributed to improving vulnerability disclosure practices across the ecosystem, offering guidance and tools that support maintainers in navigating CVEs, responsible disclosure, and downstream communication.

“The OpenSSF is uniquely positioned to advise on considerations, technical elements, and community impact public policy decisions have not only on open source, but also on the complex reality of implementing cybersecurity to a diverse and global technical sector. In the past 5 years, OpenSSF has been building a community of well-informed open source security experts that can advise regulations but also challenge and adapt security frameworks, law, and regulation to support open source projects in raising their security posture through transparency and open collaboration; hallmarks of open source culture.” — Emily Fox, Portfolio Security Architect, Red Hat

✨ Voices from Our Community: Reflections & Hopes

Key community members, from long-standing contributors to new voices, have shaped OpenSSF’s journey:

OG Voices:

“Microsoft joined OpenSSF as a founding member, committed to advancing secure open source development. Over the past five years, OpenSSF has driven industry collaboration on security through initiatives like Alpha-Omega, SLSA, Scorecard, Secure Software Development training, and global policy efforts such as the Cyber Resilience Act. Together, we’ve improved memory safety, supply chain integrity, and secure-by-design practices, demonstrating that collaboration is key to security. We look forward to many more security advancements as we continue our partnership.” — Mark Russinovich, CTO, Deputy CISO, and Technical Fellow, Microsoft Azure

OpenSSF Leadership Perspective: 

“OpenSSF’s strength comes from the people behind it—builders, advocates, and champions from around the world working toward a safer open source future. This milestone isn’t just a celebration of what we’ve accomplished, but of the community we’ve built together.” — Adrianne Marcum, Chief of Staff, OpenSSF

Community Perspectives:

“After 5 years of hard work, the OpenSSF stands as a global force for securing the critical open-source that we all use. Here’s to five years of uniting communities, hardening the software supply chain, and driving a safer digital future.” Tracy Ragan, CEO, DeployHub

I found OpenSSF through my own curiosity, not by invitation, and I stayed because of the warmth, support, and shared mission I discovered. From contributing to the BEAR Working Group to receiving real backing for opportunities, the community consistently shows up for its members. It’s more than a project; it’s a space where people are supported, valued, and empowered to grow.” Ijeoma Onwuka, Independent Contributor

🔮 Looking Forward

As we celebrate our fifth anniversary, OpenSSF is preparing for a future increasingly influenced by AI-driven tools and global collaboration. Community members across the globe envision greater adoption of secure AI practices, expanded policy influence, and deeper, inclusive international partnerships.

“As we celebrate OpenSSF’s 5th Anniversary, I’m energized by how our vision has grown into a thriving global movement of developers, maintainers, security researchers, and organizations all united by our shared mission. Looking ahead we’re hoping to cultivate our community’s knowledge and empower growth through stronger collaboration and more inclusive pathways for contributors.” – Stacey Potter, Community Manager, OpenSSF

📣 Join the Celebration

We invite you to share your memories, contribute your voice, and become part of the next chapter in securing open source software.

Here’s to many more years ahead! 🎉