Rephonic
Artwork for Open Source Security

Open Source Security

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

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

PublishesWeeklyEpisodes534Founded10 years ago
Number of ListenersCategory
Technology

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Artwork for Open Source Security

Latest Episodes

Josh welcomes Jordi Boggiano the lead maintainer of Composer and Packagist to explain the truckload of security features they've recently added. Packagist is the PHP package registry, Composer is the dependency manager for PHP. Recently the people be... more

Josh welcomes Mike Milinkovich and Thabang Mashologu from the Eclipse Foundation to talk about their new managed Open VSX registry. This is the first open source package registry to create a commercial operation for large company users to help fund t... more

Josh welcomes back François Proulx to talk about the absolute madness in the CI/CD universe right now. We also learn about François' new project SmokedMeat which is a tool to help you hack your own CI/CD. When Josh spoke to François a year ago, the w... more

Josh chats with Sal Kimmich about the current state of everything, and what we can expect next. Sal has some incredible insight into what we can expect to see due to the current wave of security bugs and incidents. There are some new features we will... more

Key Facts

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Number of Listeners
Find out how many people listen to this podcast per episode and each month.

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Recent Guests

François Proulx
VP of Security Research at Boost Security
Boost Security
Episode: Hacking your CI/CD with François Proulx
Sal Kimmich
security architect
Episode: Open source verification with Sal Kimmich
Casey Ellis
Founder of Bugcrowd and disclose.io
Bugcrowd, disclose.io
Episode: Vulnerability disclosure with Casey Ellis
Hans-Christoph Steiner
FDroid maintainer/developer; advocate for free software on Android
FDroid / Guardian Project
Episode: F-Droid the open app store with Hans
Kat Cosgrove
Head of Developer Advocacy at Minimus; Kubernetes Steering Committee member
Minimus; Kubernetes Steering Committee
Episode: Open source is critical infrastructure with Kat Cosgrove
David Bernstein
Certified Emergency Manager and Certified Business Continuity Professional
Episode: How to actually test a disaster plan with David Bernstein
Vlad Harbuz
Open Source Pledge and Open Source Sustainability advocate
Open Source Pledge / Sentry
Episode: Open Source Pledge with Vlad-Stefan Harbuz
Paul McCarty
Founder and maintainer of Open Source Malware
Open Source Malware
Episode: Open Source Malware with Paul McCarty
Andrew Nesbitt
Open Source Developer and Package Manager enthusiast
Eco (package management ecosystem)
Episode: Package management challenges with Andrew Nesbitt

Host

Josh
Host of the show, frequently guiding technical and governance conversations in open source security.

Reviews

4.7 out of 5 stars from 438 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 Kingdoma year 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.

Mixed reactions to pacing and tone, but overall highly regarded for expert guests and actionable insights.
Listeners praise the depth and practicality of security-focused discussions.
Some reviewers note strong host banter but value the technical rigor.

Chart Rankings

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

Apple Podcasts
#94
Sweden/Technology
Apple Podcasts
#122
Finland/Technology
Apple Podcasts
#222
Saudi Arabia/Technology

Talking Points

Recent interactions between the hosts and their guests.

Hacking your CI/CD with François Proulx
Q: What should teams do next to improve CI/CD security in light of these incidents?
Teams should threat-model their YAML workflows to minimize exposed secrets, rotate credentials, implement off-GitHub handling for sensitive data, monitor for new exploitation techniques in near real-time, and use tools like Poutine and Bagel to inventory and test their own environments. They should also adopt safer credential practices and create rapid-response playbooks to reduce blast radius when compromises occur.
Hacking your CI/CD with François Proulx
Q: What is SmokedMeat and why release an offensive tool in the open?
SmokedMeat is positioned as a controlled, defensive-oriented framework that mirrors Metasploit-style capabilities but is used to help defenders validate fixes, understand attack surfaces, and teach teams what could go wrong in CI/CD pipelines without enabling real-world misuse. It's about arming blue teams with realistic scenarios to test and improve their security posture.
Vulnerability disclosure with Casey Ellis
Q: What should open source maintainers or companies do to prepare for a future where AI accelerates both vulnerability discovery and exploitation?
Maintain a threat-modeling mindset, triage inputs effectively, and build in-house capabilities to assess and respond to reports. Pair AI-assisted tooling with human oversight to separate signal from noise, and focus on making vulnerability intake, validation, and remediation processes more resilient and transparent for all parties involved.
Vulnerability disclosure with Casey Ellis
Q: Tell us a little bit about yourself for anyone who might not know who you are.
I'm Casey Ellis, founder of Bugcrowd and disclose.io. I started this work after growing up as a hacker and moving into pen-testing and entrepreneurship, with a goal to create a better operating environment for people who hack in good faith and to outsmart the bad guys by mobilizing intelligent security researchers.
Open Source Pledge with Vlad-Stefan Harbuz
Q: What are some governance insights discussed in the episode?
Governance should go beyond code to include shared governance structures to avoid bottlenecks and bus factors, as highlighted by examples like WordPress, to ensure projects remain healthy even if key individuals step back.

Audience Metrics

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

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Frequently Asked Questions About Open Source Security

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

This show centers on open source security, governance, and practical risk management across software ecosystems. Conversations span maintaining open source projects, disaster recovery planning for tech organizations, secure software supply chains, and the economics of funding security in OSS. Notable patterns include deep dives with technical guests (cryptography, Rust tooling, package registries, vulnerability management) and pragmatic guidance for teams: governance models, funding strategies, and hands-on incident response. A standout angle is treating essential OSS components as infrastructure, with attention to burnout, sustainability, and collaboration between maintainers, vendors, and leadership. The format often blends technical rigo... more

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How many subscribers and views does Open Source Security have?

To see how many followers or subscribers Open Source Security has on Spotify and other platforms such as Castbox and Podcast Addict, simply upgrade your account. You'll also find viewership figures for their YouTube channel if they have one.

Which podcasts are similar to Open Source Security?

These podcasts share a similar audience with Open Source Security:

1. 2.5 Admins
2. Oxide and Friends
3. Security Now (Audio)
4. LINUX Unplugged
5. Late Night Linux

How many episodes of Open Source Security are there?

Open Source Security launched 10 years ago and published 534 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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Where can I see ratings and reviews for Open Source Security?

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What guests have appeared on Open Source Security?

Recent guests on Open Source Security include:

1. François Proulx
2. Sal Kimmich
3. Casey Ellis
4. Hans-Christoph Steiner
5. Kat Cosgrove
6. David Bernstein
7. Vlad Harbuz
8. Paul McCarty

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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