A security podcast geared towards those looking to better understand security topics of the day. Hosted by Kurt Seifried and Josh Bressers covering a wide range of topics including IoT, application security, operational security, cloud, devops, and security news of the day. There is a special open source twist to the discussion often giving a unique perspective on any given topic.
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Modern day authentication with Marc Boorshtein
In this discussion with Tremolo Security CTO Marc Boorshtein, we explore what modern day Single Sign-On (SSO) looks like. Everyone likes to talk about zero trust, but how does that work? We talk about some of the history of authentication that got us here, and some technical details on how you should be implementing authentication into your application. We finish up with some passkey details and realize every authentication discussion really just turns into complaining how hard identity is. The blog post for this episode can be found at https://opensourcesecurity.io/2025/2025-02-modern_day_authentication_with_marc_boorshtein/
Government Security Requirements with Dick Brooks
Dick Brooks from Business Cyber Guardian discusses the landscape of federal software security requirements, we discuss frameworks like CISA's Software Acquisition Guide, Secure Software Development Framework, and the EU's Cyber Resilience Act. These regulations impact open source projects differently from commercial vendors, Dick helps explain what that means for the vendors as well as open source developers. The accompaning blog can be found at https://opensourcesecurity.io/2025/01-government_security_requirements_with_dick_brooks CISA Software Acquisition Guide CISA SAG Reader Project NASA SSDF collaboration
Open Source Maintenance with Gary Kramlich
In this episode, Gary Kramlich, the lead developer of Pidgin discusses the challenges and strategies of maintaining a 26-year-old open source messaging client.Gary tell us all about how a small team manages technical debt, handles library dependencies, and makes decisions about rewrites versus incremental improvements while supporting a broader open source ecosystem. The accompaning blog can be found at https://opensourcesecurity.io/2025/01-open_source_maintenance_with_gary_kramlich/
Safety vs Security with Thomas Depierre
In this episode of Open Source Security, Josh welcomes Thomas Depierre, a Site Reliability Engineer and open source maintainer, to discuss the intersection of safety and security. Thomas explains why safety is broader than security. While security often views people as the problem, Thomas explains that people are paradoxically the solution. Nothing should work, but it does, mostly due to people keeping things working. The accompaning blog can be found at https://opensourcesecurity.io/2025/01-safety_vs_security_with_thomas_depierre/
The Future of Open Source Security
It’s a new year and time for some changes to the opensourcesecurity.io website. It's time to retire the podcast, but that's to make way for something new and hopefully better. You can read the details in the blog post (the audio version is basically the same thing) https://opensourcesecurity.io/posts/2025-01-the_future_of_open_source_security/
Episode 461 - The new NIST password guidance
Josh and Kurt talk about new NIST password guidance. There's some really good stuff in this new document. Ideas like usability and equity show up (which is amazing). There's more strict guidance against rotating passwords and complex passwords. This new guidance gives us a lot to look forward to. Show Notes Usagi Electric NIST proposes barring some of the most nonsensical password rules NIST SP 800-63(B) STRIDE threat model PASTA threat model
Episode 460 - Santa's Supply Chain Security
Josh and Kurt talk about the supply chain of Santa. Does he purchase all those things? Are they counterfeit goods? Are they acquired some other way? And once he has all the stuff, the logistics of getting it to the sleigh is mind boggling. It's all very complex Show Notes Project Gunman
Episode 459 - CWE Top 25 List
Josh and Kurt talk about a CWE Top 25 list from MITRE. The list itself is fine, but we discuss why the list looks the way it does (it's because of WordPress). We also discuss why Josh hates lists like this (because they never create any actions). We finish up running through the whole list with a few comments about the findings. Show Notes 2024 CWE Top 25 Most Dangerous Software Weaknesses Set of 9 Unusual Odd Sided dice - D3, D5, D7, D9, D11, D13, D15, D17 & D19
Episode 458 - FBI endorses E2E encryption
Josh and Kurt talk about the FBI telling everyone to use end to end encrypted messengers. This is a pretty drastic deviation from messages in the past. The reason for this is it appears the US telephone networks are pwnt beyond repair at this point, which is concerning. The only real solution now is to treat the phone network as untrusted and encrypt all the traffic. Show Notes Salt Typhoon U.S. officials urge Americans to use encrypted apps amid unprecedented cyberattack LTT Hacked phone Security Cryptography Whatever Telegram Secure Messaging Apps Comparison
Episode 457 - The D-Link D-bacle
Josh and Kurt talk about a serious D-Link security vulnerability in a bunch of end of life products. The crux of the discussion focuses on D-Link, but the reality is almost all consumer gear you plug into the internet is terrible. And there's little hope it will get better anytime soon. Show Notes China has utterly pwned 'thousands and thousands' of devices at US telcos D-Link tells users to trash old VPN routers over bug too dangerous to identify D-Link YouTube explainer video
Episode 456 - What if XZ happened to a company? The openness of open source
Josh and Kurt embark on a thought experiment to discuss how a commercial entity would handle something like the xz incident. It was very specific and difficult to understand. It's easy to claim just because source code being available doesn't matter. But the reality is when source code is needed, it can make a huge difference for everyone working together, just like we saw with xz. Show Notes Lindt admits chocolate may not be ‘expertly crafted’ in class-action lawsuit battle Mitchell & Webb - Needlessly ambiguous terms
Episode 455 - Wordpress plugin security
Josh and Kurt talk about the way Wordpress vets their plugins. While Wordpress has been in the news lately, they do some clever things to get plugins approved. There's a static analyzer that runs against new submissions. We discuss using static analysis, securing open source, contributing and more. Show Notes Linus Torvalds Lands A 2.6% Performance Improvement With Minor Linux Kernel Patch Kurt's Plugin
Episode 454 - The state of open source with Brian Fix from Sonatype and Donald Fischer from Tidelift
Josh and Kurt talk to Brian Fox from Sonatype and Donald Fischer from Tidelift about their recent reports as well as open source. There are really interesting connections between the two reports. The overall theme seems to be open source is huge, everywhere, and needs help. But all is no lost! There's some great ideas on what the future needs to look like. Show Notes Donald Fischer Brian Fox Tidelift Sonatype The 2024 Tidelift state of the open source maintainer report Sonatype State of the Software Supply Chain Anchore 2024 Software Supply Chain Security Report OpenSSF TAC issue 101
Episode 453 - Software Liability
Josh and Kurt talk about three government activities happening around security. CISA has a request for comment, and an international strategic plan around cybersecurity. These are both good ideas, and hopefully will help drive change. But we also discuss an EU proposal that brings liability rules to software which sounds like a great way to force change to happen. Show Notes Request for Comment on Product Security Bad Practices Guidance FY2025-2026 CISA International Strategic Plan EU brings product liability rules in line with digital age and circular economy CSA Cloud Controls Matrix
Episode 452 - All about Meshtastic
Josh and Kurt talk about the Meshtastic open source project. It's a really slick mesh radio system that runs on very cheap radio equipment. This episode isn't very security related (there are a few things), but it is very open source. Show Notes Meshtastic Heltec LoRa 32(V3) Radio 465 Rutgers University Confirmed: Meshtastic and LoRa are dangerous Meshtastic Routing Issues & Deployment Scenarios TC2-BBS-mesh The Comms Channel Josh's BBS Heltec T114 bug