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
CVE
CISA
Software Development
Github Actions
Open Source Malware
Red Hat
Security.txt

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

PublishesWeeklyEpisodes543Founded10 years ago
Number of ListenersCategory
Technology

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Artwork for Open Source Security

Latest Episodes

Josh chats with Paul Asadoorian about a tool he wrote called fettle and a recent report Paul published on CVEs. Fettle is a tool to help update and manage Linux systems. The big sell on this one is checking if your firmware is out of date. We then ta... more

Josh chats with Erin Schnabel and Rob Nalen about a new effort from Commonhaus and HeroDevs for maintaining end of life open source. This project, the Open Source Sustainability Initiative is a clever way to bring corporations and projects together f... more

Josh chats with James from e18e. This is a project that is working on improving Javascript packages by cleaning up, speeding up, and leveling up the dependencies. The way the e18e project handles this work is very human open source. It's all about bu... more

Josh chats with Patrick Garrity about the VulnCheck State of Exploitation 1H-2026 report. Patrick explains the current trends we are seeing around vulnerabilities right now. While the number of CVEs is way up, the number of actually exploited vulnera... more

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Recent Guests

Patrick Garrity
Security Researcher at VulnCheck
VulnCheck
Episode: VulnCheck's State of Exploitation Report with Patrick Garrity
Josh Corman
cyber safety philosopher warrior, public sector contributor
Undestructible 27 / Cavalry / public safety initiatives
Episode: Securing critical infrastructure with Josh Corman
Josh Marpet
Head of the Value Chain Risk Institute
Value Chain Risk Institute
Episode: Abandoned open source with Josh Marpet
Mo Duffy
Distinguished engineer at Red Hat
Red Hat
Episode: Red Hat's Project Lightwell with Mo Duffy
Lori Lorusso
Director of Outreach for the Rust Foundation
Rust Foundation
Episode: Rust Foundation Maintainers Fund with Lori and Niko
Niko Matsakis
Lead designer of Rust, Senior Principal Engineer at Amazon
Rust Project / Amazon
Episode: Rust Foundation Maintainers Fund with Lori and Niko
Allan Friedman
godfather of SBOM; senior technical advisor at the Institute for Security and Technology; advises industry as technologist and residence at the TPO group
Institute for Security and Technology; TPO group
Episode: AIBOM, CBOM, and HBOM with Allan Friedman
Jordi Boggiano
Lead maintainer of Composer and Packagist
Private Packagist
Episode: Packagist and Composer security with Jordi Boggiano
Mike Milinkovich
Executive Director at the Eclipse Foundation
Eclipse Foundation
Episode: Sustaining Open VSX with Mike and Thabang

Host

Josh
Host of Open Source Security

Reviews

4.7 out of 5 stars from 440 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
#75
Denmark/Technology
Apple Podcasts
#193
Mexico/Technology
Apple Podcasts
#204
Norway/Technology
Apple Podcasts
#219
Poland/Technology
Apple Podcasts
#226
Israel/Technology

Talking Points

Recent interactions between the hosts and their guests.

VulnCheck's State of Exploitation Report with Patrick Garrity
Q: What are the biggest takeaways for enterprises from this half-year report?
The biggest takeaways are that AI-enabled vulnerability discovery is real and creates a new attack surface, but fear-based narratives should be balanced with data; patching and reducing exposure at the network edge and in AI-related products are crucial, and coordinated vulnerability disclosure efforts need practical, human-backed processes to be effective.
VulnCheck's State of Exploitation Report with Patrick Garrity
Q: Why is your list of known exploited vulnerabilities larger than the CISA list?
Our list includes all publicly discussed exploited vulnerabilities from multiple sources, including advisories, honeypots, third-party intel groups, and our own Canary network, not just the CISA KeV. It's inclusive of a broad set of evidence, which naturally expands the catalog beyond CISA's scoped focus.
VulnCheck's State of Exploitation Report with Patrick Garrity
Q: And you just put out a report titled, VulnCheck State of Exploitation 1H2026, which is a very catchy title I will commend you on. But, Patrick, tell us who you are, and tell us why you're here, and we'll go from there.
I'm a security researcher at VulnCheck, focused on exploiting vulnerability trends, data collection, and the practical realities of how quickly vulnerabilities get exploited and disclosed. I'm here to discuss the 1H2026 State of Exploitation report, how we curate data from many sources, and what it means for enterprises and open-source ecosystems.
Red Hat's Project Lightwell with Mo Duffy
Q: So let's just talk about what the Red Hat development model looks like in the context of upstream and downstream and customers.
Mo explains that upstream is where novel work is released and pooled with existing knowledge, while downstream packages and products building on that upstream; Red Hat emphasizes keeping changes upstream whenever possible to avoid diverging forks and to enable shared maintenance.
Rust Foundation Maintainers Fund with Lori and Niko
Q: How can organizations or individuals donate or participate?
Individuals can donate via the Rust Lang funding page and Sponsor page, with options to fund specific maintainers; large corporate donors can join the Rust Foundation and may add Maintainers Fund add-ons to memberships, while companies can propose directed funding for initiatives.

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?

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. Late Night Linux
2. 2.5 Admins
3. Risky Business
4. LINUX Unplugged
5. Risky Bulletin

How many episodes of Open Source Security are there?

Open Source Security launched 10 years ago and published 543 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. Patrick Garrity
2. Josh Corman
3. Josh Marpet
4. Mo Duffy
5. Lori Lorusso
6. Niko Matsakis
7. Allan Friedman
8. Jordi Boggiano

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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