Rephonic
Artwork for Open Source Security

Open Source Security

Josh Bressers
Open Source
Open Source Software
Cybersecurity
Open Source Security
Cyber Resilience Act
Security
Vulnerabilities
Supply Chain Security
Kubernetes
NPM
Github
Vulnerability Management
Wordpress
CVE
CISA
Software Development
Github Actions
Open Source Malware
CURL
Red Hat

Open Source Security is a media project to help showcase and educate on open source security. Our goal is to give the community a platform educate both developers and users on how open source security works. There's a lot of good work happening that doesn't get attention because there's no marketing department behind it, they don't have a developer relations team posting on LinkedIn every two hour... more

PublishesWeeklyEpisodes549Founded10 years ago
Number of ListenersCategory
Technology

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Artwork for Open Source Security

Latest Episodes

Josh chats with James Matchett from Cloudsmith about a new report they put out. It has some scary looking statistics in it about how organizations are using dependencies. There are some surprising numbers in there, but the story is really one of defe... more

Josh welcomes Amanda Brock from OpenUK to chat about sovereignty, policy, open source, and a whole host of other topics. Amanda has front row seat into how sovereignty decisions can affect a county and its open source. It seems sometimes like open so... more

Josh chats with Daniel and Stefan from curl about their summer of bliss. Curl stopped taking vulnerability reports for a month and nothing much happened really. Daniel and Stefan have a really pragmatic view of all the new LLM powered vulnerability d... more

Josh welcomes back Daniel Thompson to explain what just happened regarding vulnerability reporting and the CRA on September 11. The very first CRA requirements kicked in, but what does it really mean? Daniel explains it's not too bad. There are plent... more

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Recent Guests

James Matchett
Head of security at Cloudsmith
Cloudsmith
Episode: Dependency attacks in 2026 with James Matchett
Amanda Brock
CEO of OpenUK
OpenUK
Episode: Sovereignty, policy, and OpenUK with Amanda Brock
Daniel Stenberg
curl maintainer
Curl
Episode: The curl summer of Bliss with Daniel and Stefan
Stefan Ising
curl maintainer
Curl
Episode: The curl summer of Bliss with Daniel and Stefan
Jaya Baloo
COO and CISO at AISLE
AISLE
Episode: Finding difficult vulnerabilities with Jaya Baloo from AISLE
Erik Möller
Director of Programs at The Sovereign Tech Agency
The Sovereign Tech Agency
Episode: Sovereign Tech Agency with Erik Möller
Erin Schnabel
Chair of Commonhaus
Commonhaus
Episode: Maintaining EOL Open Source with Commonhaus and HeroDevs
Rob Nalen
Chief Operating Officer
HeroDevs
Episode: Maintaining EOL Open Source with Commonhaus and HeroDevs
Patrick Garrity
Security Researcher at VulnCheck
VulnCheck
Episode: VulnCheck's State of Exploitation Report with Patrick Garrity

Host

Josh
Host of Open Source Security

Reviews

4.7 out of 5 stars from 442 ratings
  • Open source security and more

    Josh may no longer be with Kurt, he still makes a wicked podcast with a good concentrated dose of open source security.

    Apple Podcasts
    5
    LikeToTaste
    United Kingdom2 years ago
  • josh is insufferable

    I really enjoy Kurt’s perspective on stuff. Josh is insufferable. Not sure what complex he suffers from, but he can never be wrong and is always steamrolling Kurt.

    Apple Podcasts
    1
    letitsnowman
    United States2 years ago
  • Great Podcast

    I don't work in this field; I'm strictly a security hobbyist. Found this podcast through archive.org, incidentally. Listened to 5 minutes of one episode and that was enough for me to subscribe. Thanks for a great podcast!

    Apple Podcasts
    5
    CornOnTheMacabre
    United States2 years ago
  • Most frustrating show I continue listening to

    Like a meeting with no agenda it can be informative and entertaining and you’re never quite sure if you should attend again but usually you do.

    Apple Podcasts
    4
    cspeckrun
    United States3 years ago
  • The banter is spot on

    as of September 2023 be negative reviews may be from non-techs or squishy persons in general. I understand the humor, and every episode that I have listened to so far which is only half a dozen the hosts understand and get what they are talking about. having over 20 years both professionally and not in the information technology field I find myself quite amused at their observations, and more often than not not in agreement more than once an episode. If the hosts, however, ever come across this ... more

    Apple Podcasts
    4
    unbleachedbit
    United States3 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Guests and topics are regularly highlighted as informative and actionable for practitioners.
Listeners value the practical, data-driven discussions and deep dives into OSS security and governance.
Some episodes are praised for pacing and expertise, while a few listeners wish for tighter agendas or less banter.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#210
Germany/Technology
Apple Podcasts
#170
Finland/Technology
Apple Podcasts
#184
Mexico/Technology
Apple Podcasts
#186
Austria/Technology
Apple Podcasts
#241
Saudi Arabia/Technology

Talking Points

Recent interactions between the hosts and their guests.

Dependency attacks in 2026 with James Matchett
Q: Why are S-bombs and attestation not enough on their own?
Because an SBOM shows what is in use but does not guarantee security; provenance and signing must be combined with robust policy, monitoring, and response capabilities to effectively manage risk across the build and deployment pipeline.
Sovereignty, policy, and OpenUK with Amanda Brock
Q: What are the next steps for people who want to get involved with OpenUK?
Amanda emphasizes that engagement hinges on better representation of individual developers in policy and governance, and explains that OpenHQ will expand international policy work while OpenUK continues to build a national ecosystem and support policy collaboration.
Sovereignty, policy, and OpenUK with Amanda Brock
Q: So why don't we start out, just tell us who you are and what OpenUK is.
Amanda explains that she is the CEO of OpenUK and OpenHQ, describes OpenUK as a community and policy-focused industry body, and notes that OpenHQ handles international policy work while OpenUK handles the UK ecosystem.
Finding difficult vulnerabilities with Jaya Baloo from AISLE
Q: What's next in this universe of AI-assisted security?
The conversation emphasizes sensible AI adoption, sovereignty concerns, and the need to manage model trust and governance, including potential model tampering and the importance of defense in depth as the ecosystem evolves.
Finding difficult vulnerabilities with Jaya Baloo from AISLE
Q: What does the signup and disclosure process look like for projects wanting AISLE to scan them?
Projects can sign up via their website, request a demo, and AISLE commits two people to sign up and scan the codebase, reporting back vulnerabilities with context, fixes, and POC where possible, and they participate in CNA/CVE workflows for open-source projects when applicable.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
Interests
Professions
Age Range
Household Income
Social Media Reach

Frequently Asked Questions About Open Source Security

What is Open Source Security about and what kind of topics does it cover?

A concise, data-forward look at open source security, governance, and supply chain transparency. Episodes frequently center on vulnerability disclosure, OSS risk management, and funding models that sustain critical open source projects. Notable threads include SBOMs and their evolving role in policy, AI-assisted tooling for security and discovery, upstream-downstream collaboration in ecosystems, and practical steps for organizations to improve resilience without resorting to hype. The show often features practitioners and community leaders who bring hands-on experience with governance, maintenance, and security practices across language ecosystems, tooling registries, and large foundations. A standout trait is its willingness to surface rea... more

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Which podcasts are similar to Open Source Security?

These podcasts share a similar audience with Open Source Security:

1. Risky Business
2. Defense in Depth
3. Risky Bulletin
4. CyberWire Daily
5. 2.5 Admins

How many episodes of Open Source Security are there?

Open Source Security launched 10 years ago and published 549 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact Open Source Security?

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What guests have appeared on Open Source Security?

Recent guests on Open Source Security include:

1. James Matchett
2. Amanda Brock
3. Daniel Stenberg
4. Stefan Ising
5. Jaya Baloo
6. Erik Möller
7. Erin Schnabel
8. Rob Nalen

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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