OpenSSF

What's in the SOSS? An OpenSSF Podcast

What's in the SOSS? features the sharpest minds in security as they dig into the challenges and opportunities that create a recipe for success in making software more secure.  Get a taste of all the ingredients that make up secure open source software (SOSS) and explore the latest trends at the intersection of AI and security, vulnerability management, and threat assessments.  Each episode of What's in the SOSS? is packed with valuable insight designed to foster collaboration and promote stronger security practices for the open source software community. About Christopher Robinson (aka CRob),...

Author

OpenSSF

Category

Technology

Podcast website

www.buzzsprout.com

Latest episode

Jun 30, 2026

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Episodes

The Heartbeat of the Kernel: Why Upstream is the Ultimate Security Strategy with Greg Kroah-Hartman 30.06.2026

What does it feel like to wake up and realize your weekend passion project is now the critical infrastructure powering the planet? In this episode of What’s in the SOSS?, CRob sits down with Linux kernel maintainer and open source icon Greg Kroah-Hartman. Greg takes us on a journey from his early days writing firmware for printer and hospital ATMs to managing the relentless, everyday engineering t...

Consuming with Intent: Driving Enterprise Security and Career Growth Through Open Source with Jamie Thomas (IBM) 16.06.2026

In this episode of Big Thoughts, Open Sources, host CRob sits down with Jamie Thomas, IBM Enterprise Security Executive and OpenSSF Governing Board Member (former Chair!), to tackle the vital shifting dynamics of enterprise open source engagement. From IBM's historical "billion-dollar bet" on Linux to modern supply chain wake-up calls like SolarWinds and Log4j, Jamie pulls back the...

The Ghost in the Dependency Tree: Navigating Open Source End-of-Life with HeroDevs 02.06.2026

In this episode of What’s in the SOSS, host CRob sits down with Isaac Wuest, Product Line Leader at HeroDevs, to explore the critical and often overlooked "gray area" of the software supply chain: End-of-Life (EOL) software. While the industry heavily relies on CVEs to track vulnerabilities, Isaac explains how maintainer abandonment creates a vacuum where risks are present but remain und...

Beginner to Builder: Shaping the Conversation in Open Source Security 19.05.2026

In this episode of What's in the SOSS, Yesenia Yser interviews cybersecurity analyst Ejiro Oghenekome about her journey from UI/UX design to becoming a key contributor to the OpenSSF. Ejiro shares the inspiration behind her public "100 Days of Cybersecurity" challenge, which has helped her maintain discipline and consistency while making the field less intimidating for beginners. Sh...

Packaging, Transferring, and Deploying Software in Air-Gapped Environments with Zarf 05.05.2026

Host Sally Cooper is joined by Brandt Keller, a staff software engineer at Defense Unicorns and maintainer of the OpenSSF sandbox project, Zarf. Brandt discusses Zarf's origins as a tool designed to reliably package, transfer, and deploy software components (like container images and Helm charts) specifically for critical, air-gapped environments that lack internet connectivity. The conversat...

Big Thoughts, Open Sources Inaugural Episode: Beyond the Hype: Brian Fox on Securing the Agentic Future of Open Source 07.04.2026

In this inaugural episode of Big Thoughts and Open Sources, host Crob sits down with Brian Fox, Co-founder and CTO of Sonatype, to dissect the friction between rapid AI adoption and foundational software security. Brian shares insights from the 11th annual State of the Software Supply Chain Report, revealing the emergence of "slop squatting" and the high frequency of AI models recommendi...

From Noise to Signal: Security Expertise and Kusari Inspector with Mike Lieberman 24.03.2026

In this episode, CRob talks with Mike Lieberman from Kusari about the current state of open source security. They discuss the growing burden on maintainers from the "deluge" of noisy, low-quality vulnerability reports, often generated by AI tools, and the vital role of "a human in the loop." Mike introduces Kusari's tool, Inspector , explaining how it uses codified securit...

Empowering New Maintainers: Inside the OpenSSF Mentorship Program 17.03.2026

In this episode of What’s in the SOSS? host Sally Cooper sits down with Yesenia Yser, co-lead of the OpenSSF Mentorship Program and the BEAR Working Group, and Kairo De Araujo, Open Source Software Engineer and mentor for rstuf. They dive into the success of the OpenSSF Mentorship Program, which focuses on bringing underrepresented voices into software security. Kairo shares an incredible outcome...

The Gemara Project: GRC Engineering Model for Automated Risk Assessment 10.03.2026

Hannah Braswell and Jenn Power, security engineers from Red Hat and contributors to the OpenSSF, join host Sally Cooper to discuss the Gemara project. Gemara, an acronym for GRC Engineering Model for Automated Risk Assessment, is a seven-layer logical model that aims to solve the problem of incompatibility in the GRC (Governance, Risk, and Compliance) stack. By outlining a separation of concerns,...

AIxCC Part 4 – Cyber Reasoning Systems: The Real-World Journey After AIxCC 10.02.2026

In this final episode of our AI Cyber Challenge (AIxCC) series, CRob and Jeff Diecks wrap-up the journey from DARPA's groundbreaking two-year competition to the exciting collaborative phase happening now. Discover how winning teams are taking their AI-powered vulnerability detection systems into the real world, finding actual bugs in projects like the Linux kernel and CUPS. Learn about the in...

AIxCC Part 3 - Buttercup's Hybrid Approach: Trail of Bits' Journey to Second Place in AIxCC 10.02.2026

In the final episode of our AI Cyber Challenge (AIxCC) series, CRob sits down with Michael Brown, Principal Security Engineer at Trail of Bits, to discuss their runner-up cybersecurity reasoning system, Buttercup. Michael shares how their team took a hybrid approach - combining large language models with conventional software analysis tools like fuzzers - to create a system that exceeded even thei...

AIxCC Part 2 - From Skeptics to Believers: How Team Atlanta Won AIxCC by Combining Traditional Security with LLMs 10.02.2026

In this 2nd episode in our series on DARPA's AI Cyber Challenge (AIxCC), CRob sits down with Professor Taesoo Kim from Georgia Tech to discuss Team Atlanta's journey to victory. Kim shares how his team - comprised of academics, world-class hackers, and Samsung engineers - initially skeptical of AI tools, underwent a complete mindset shift during the competition. He shares how they succes...

AIxCC Part 1 - From Skepticism to Success: The AI Cyber Challenge (AIxCC) with Andrew Carney 10.02.2026

This episode of What’s in the SOSS features Andrew Carney from DARPA and ARPA-H, discussing the groundbreaking AI Cyber Challenge (AIxCC). The competition was designed to create autonomous systems capable of finding and patching vulnerabilities in open source software, a crucial effort given the pervasive nature of open source in the tech ecosystem. Carney shares insights into the two-year journey...

Demystifying the CFP Process with KubeCon North America Keynote Speakers 03.02.2026

Ever wondered what it takes to get your talk accepted at a major open source tech conference – or even land a keynote slot? Join What’s in the Sauce new co-host Sally Cooper, as she sits down with Stacey Potter and Adolfo “Puerco” García Veytia, fresh off their viral KubeCon keynote "Supply Chain Reaction." In this episode, they pull back the curtain on the CFP review process, share what...

Why Marketing Matters in Open Source: Introducing Co-Host Sally Cooper 27.01.2026

In this special episode, the What's in the SOSS podcast welcomes Sally Cooper as an official co-host. Sally, who leads OpenSSF's marketing efforts, shares her journey from hands-on technical roles in training and documentation to becoming a bridge between complex technology and everyday understanding. The conversation explores why marketing matters in open source, how personal branding c...

2025 Year End Wrap Up: Celebrating 5 Years of Open Source Security Impact! 30.12.2025

Join co-hosts CRob and Yesenia for a special season finale celebrating OpenSSF's fifth anniversary and recapping an incredible year of innovation in open source security! From launching three free educational courses on the EU Cyber Resilience Act, AI/ML security, and security for software development managers, to the groundbreaking DARPA AI Cyber Challenge where competitors achieved over 90%...

Teaching the Next Generation: Software Supply Chain Security in Academia with Justin Cappos 16.12.2025

On this episode of "What's in the SoSS," Yesenia Yser sits down with Justin Cappos, NYU professor and self-described "OG software supply chain guy" who's been working in this space since 2002. Justin reveals why most universities fail to teach fundamental security practices—from MFA to code signing—and how his groundbreaking software supply chain security course is cr...

Securing the Future: AI, Open Source, and Collaboration with Jay White (Microsoft) 02.12.2025

Jay White, a leader in the open source ecosystem at Microsoft, discusses his journey into open source, focusing on AI and machine learning. He highlights his role in the Azure office of the CTO, working on open source, security, and AI standards. White emphasizes the importance of model signing and transparency in AI development, mentioning ongoing work in the OpenSSF and Coalition for Secure AI (...

SBOM Chaos and Software Sovereignty: The Hidden Challenges Facing Open Source with Stephanie Domas (Canonical) 19.11.2025

Stephanie Domas, Canonical's Chief Security Officer, returns to What's in the SOSS to discuss critical open source challenges. She addresses the issues of third-party security patch versioning, the rise of software sovereignty, and how custom patches break SBOMs. Domas also explains why geographic code restrictions contradict open source principles and what the EU's Cyber Resilience...

A Deep Dive into the Open Source Project Security (OSPS) Baseline 04.11.2025

In this episode of "What's in the SOSS," CRob, Ben Cotton, and Eddie Knight discuss the Open Source Project Security Baseline. This baseline provides a common language and control catalog for software security, enabling maintainers to demonstrate their project's security posture and fostering confidence in open source projects. They explore its integration with other OpenSSF pr...

Building Trust in Open Source: Seth Larson's Journey from Maintainer to Security Leader 21.10.2025

In this episode of What’s in the SOSS, host Yesenia Yser sits down with Seth Larson, Security Developer in Residence at the Python Software Foundation, as he shares his unique perspective on open source security. From his Minneapolis base, Seth discusses his journey from urllib3 maintainer to leading security initiatives across the Python ecosystem. In this episode, we explore how public documenta...

New Education Course: Secure AI/ML-Driven Software Development (LFEL1012) with David A. Wheeler 16.10.2025

In this episode of “What’s In The SOSS,” Yesenia interviews David A. Wheeler, the Director of Open Source Supply Chain Security at the Linux Foundation. They discuss the importance of secure software development, particularly in the context of AI and machine learning. David shares insights from his extensive experience in the field, emphasizing the need for both education and tools to ensure secur...

The Remediation Revolution: How AI Agents Are Transforming Open Source Security with John Amaral of Root.io 07.10.2025

In this episode of What's in the SOSS, CRob sits down with John Amaral from Root.io to explore the evolving landscape of open source security and vulnerability management. They discuss how AI and LLM technologies are revolutionizing the way we approach security challenges, from the shift away from traditional "scan and triage" methodologies to an emerging "fix first" appro...

From Manager to Open Source Security Pioneer: Kate Stewart's Journey Through SBOM, Safety, and the Zephyr Project 23.09.2025

In this episode of What’s in the SOSS, CRob has an inspiring conversation with Kate Stewart, a Linux Foundation veteran who took an unconventional path into open source as a manager rather than a developer, navigating complex legal challenges to get Motorola's contributions upstream. Now a decade into her tenure at the Linux Foundation, Kate leads critical initiatives in safety-critical open...

Racing Against Quantum: The Urgent Migration to Post-Quantum Cryptography with KeyFactor's Crypto Experts 09.09.2025

The quantum threat is real, and the clock is ticking. With government deadlines set for 2030, organizations have just five years to migrate their cryptographic infrastructure before quantum computers can break current RSA and elliptic curve systems.  In this episode of "What's in the SOSS," join host Yesenia Yser as she sits down with David Hook (VP Software Engineering) and Tomas G...

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