Justin Gardner (Rhynorater), Joseph Thacker (Rez0), & Brandyn Murtagh (gr3pme)

Critical Thinking - Bug Bounty Podcast

A "by Hackers for Hackers" podcast focused on technical content ranging from bug bounty tips, to write-up explanations, to the latest hacking techniques.

Author

Justin Gardner (Rhynorater), Joseph Thacker (Rez0), & Brandyn Murtagh (gr3pme)

Category

Technology

Podcast website

criticalthinkingpodcast.io

Latest episode

Jul 9, 2026

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Episodes

Episode 132: Archive Testing Methodology with Mathias Karlsson 24.07.2025

Episode 132: In this episode of Critical Thinking - Bug Bounty Podcast, Justin Gardner is joined by Mathias Karlsson to discuss vulnerabilities associated with archives. They talk about his new tool, Archive Alchemist, and explore topics like the significance of Unicode paths, symlinks, and TAR before they end up talking about Charsets again.. Follow us on twitter at: https://x.com/ctbbpodcast Got...

Episode 131: SL Cyber Writeups, Bug Bounty Metastrategy, and Orphaned Github Commits 17.07.2025

Episode 131: In this episode of Critical Thinking - Bug Bounty Podcast we're covering Christmas in July with several banger articles from Searchlight Cyber, as well as covering things like Raycast for Windows, Third-Person prompting, and touch on the recent McDonalds Leak Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: info@...

Episode 130: Minecraft Hacks to Google Hacking Star - Valentino 10.07.2025

Episode 130: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Valentino, who shares his journey from hacking Minecraft to becoming a Google hunter. He talks us through several bugs, including an HTML Sanitizer bypass and .NET deserialization, and highlights the hyper creative approaches he tends to employ. Follow us on twitter at: https://x.com/ctbbpodcast Got any idea...

Episode 129: Is this how Bug Bounty Ends? 03.07.2025

Episode 129: In this episode of Critical Thinking - Bug Bounty Podcast we chat about the future of hack bots and human-AI collaboration, the challenges posed by tokenization, and the need for cybersecurity professionals to adapt to the evolving landscape of hacking in the age of AI Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback h...

Episode 128: New Research in Blind SSRF and Self-XSS, and How to Architect Source-code Review AI Bots 26.06.2025

Episode 128: In this episode of Critical Thinking - Bug Bounty Podcast we talking Blind SSRF and Self-XSS, as well as Reversing massive minified JS with AI and a wild Google Logo Ligature Bug Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io Shoutout to YTCracker for the awesome intro music! ===...

Episode 127: Drama, PDF as JS Chaos, Bounty Profile Apps, And More 19.06.2025

Episode 127: In this episode of Critical Thinking - Bug Bounty Podcast we address some recent bug bounty controversy before jumping into a slew of news items Follow us on X Shoutout to YTCracker for the awesome intro music! Today's Sponsor: Adobe ====== This Week In Bug Bounty ====== Hackers Guide to Google dorking YesWeCaido New Dojo Challenge Smart Contract BB tips Red Team AAS ====== Resources...

Episode 126: Hacking AI Series: Vulnus ex Machina - Part 3 12.06.2025

Episode 126: In this episode of Critical Thinking - Bug Bounty Podcast we wrap up Rez0’s AI miniseries ‘ Vulnus Ex Machina ’. Part 3 includes a showcase of AI Vulns that Rez0 himself has found, and how much they paid out. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io Shoutout to YTCracker fo...

Episode 125: How to Win Live Hacking Events 05.06.2025

Episode 125: In this episode of Critical Thinking - Bug Bounty Podcast Justin shares insights on how to succeed at live hacking events. We cover pre-event preparations, challenges of collaboration, on-site strategies, and the importance of maintaining a healthy mindset throughout the entire process. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send...

Episode 124: Bug Bounty Lifestyle = Less Hacking Time? 29.05.2025

Episode 124: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph cover some news from around the community, hitting on Joseph’s Anthropic safety testing, Justin’s guest appearance on For Crying Out Cloud, and several fascinating tweets. Then they have a quick Full-time Bug Bounty check-in. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Fee...

Episode 123: Hacking AI Series: Vulnus ex Machina - Part 2 22.05.2025

Episode 123: In this episode of Critical Thinking - Bug Bounty Podcast we’re back with part 2 of Rez0’s miniseries. Today we talk about mastering Prompt Injection, taxonomy of impact, and both triggering traditional Vulns and exploiting AI-specific features. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinki...

Episode 122: We Won Google's AI Hacking Event in Tokyo - Main Takeaways 15.05.2025

Episode 122: In this episode of Critical Thinking - Bug Bounty Podcast your boys are MVH winners! First we’re joined by Zak, to discuss the Google LHE as well as surprising us with a bug of his own! Then, we sit down with Lupin and Monke for a winners roundtable and retrospective of the event. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us an...

Episode 121: Slonser’s Image Injection 0-day -> ATO & New Caido Collab Plugin 08.05.2025

Episode 121: In this episode of Critical Thinking - Bug Bounty Podcast we cover so much news and research that we ran out of room in the description... Follow us on X Shoutout to YTCracker for the awesome intro music! ====== Links ====== Follow Rhynorater and Rez0 on X: ====== Ways to Support CTBBPodcast ====== Hop on the CTBB Discord! We also have hacker swag ! ====== This Week in Bug Bounty ====...

Episode 120: SpaceRaccoon - From Day Zero to Zero Day 01.05.2025

Episode 120: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner welcomes Eugene to talk (aka fanboy) about his new book, 'From Day Zero to Zero Day.' We walk through what to expect in each chapter, including Binary Analysis, Source and Sink Discovery, and Fuzzing everything. Then we give listeners a special deal on the book. Follow us on twitter at: https://x.com/ctbbpodcast...

Episode 119: Abusing Iframes from a client-side hacker 17.04.2025

Episode 119: In this episode of Critical Thinking - Bug Bounty Podcast Justin does a mini deep dive into the world of iframes, starting with why they’re significant, their attributes, and how to attack them. CORRECTION: Some of my comments on the latest episode of the pod were woefully inaccurate about the `csp` attribute of an iframe. Def should have read the spec more thoroughly. Please see the...

Episode 118: Hacking Happy Hour: 0days on Tap and SQLi Shots 10.04.2025

Episode 118: In this episode of Critical Thinking - Bug Bounty Podcast we cover a host of news, including clientside tidbits, “Credentialless” iframes, prototype pollution, and what constitutes a polyglot in llms.txt. Follow us on X Shoutout to YTCracker for the awesome intro music! ====== Links ====== Follow Rhynorater and Rez0 on X ====== Ways to Support CTBBPodcast ====== Hop on the CTBB Discor...

Episode 117: Hacking AI Series: Vulnus ex Machina - Part 1 03.04.2025

Episode 117: In this episode of Critical Thinking - Bug Bounty Podcast Joseph introduces Vulus Ex Machina: A 3-part mini-series on hacking AI applications. In this part, he lays the groundwork and focuses on AI reconnaissance. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io Shoutout to YTCrack...

Episode 116: Auth Bypasses and Google VRP Writeups 27.03.2025

Episode 116: In this episode of Critical Thinking - Bug Bounty Podcast Justin gives a quick rundown of Portswigger’s SAML Roulette writeup, as well as some Google VRP reports, and a Next.js middleware exploit. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io Shoutout to YTCracker for the awesom...

Episode 115: Mentee to Career Hacker - Mokusou (So Sakaguchi) 20.03.2025

Episode 115: In this episode of Critical Thinking - Bug Bounty Podcast Justin and So Sakaguchi sit down to walk through some recent bugs, before having a live mentorship session. They also talk about Reflector, and finish up by doing a bonus podcast segment in Japanese! Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: info@cr...

Episode 114: Single Page Application Hacking Playbook 13.03.2025

Episode 114: In this episode of Critical Thinking - Bug Bounty Podcast we’re diving into SPA and how to attack them. We also cover a host of news items, including some bug write-ups, AI updates, and a new tool called Hackadvisor. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io Shoutout to YTCr...

Episode 113: Best Technical Takeaways from Portswigger Top 10 2024 06.03.2025

Episode 113: In this episode of Critical Thinking - Bug Bounty Podcast we’re breaking down the Portswigger Top 10 from 2024. There’s some bangers in here! Follow us on X at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io Shoutout to YTCracker for the awesome intro music! ====== Links ====== Follow your hosts Rhynorat...

Episode 112: Interview with Ciarán Cotter (MonkeHack) - Critical Lab Researcher and Full-time Hunter 27.02.2025

Episode 112: In this episode of Critical Thinking - Bug Bounty Podcast Joseph Thacker is joined by Ciarán Cotter (Monke) to share his bug hunting journey and give us the rundown on some recent client-side and server-side bugs. Then they discuss WebSockets, SaaS security, and cover some AI news including Grok 3, Nuclei -AI Flag, and some articles by Johann Rehberger. Follow us on twitter at: https:...

Episode 111: How to Bypass DOMPurify in Bug Bounty with Kevin Mizu 20.02.2025

Episode 111: In this episode of Critical Thinking - Bug Bounty Podcast Justin interviews Kevin Mizu to showcase his knowledge regarding DOMPurify and its misconfigurations. We walk through some of Kevin’s research, highlighting things like Dangerous allow-lists and URI Attributes, DOMPurify hooks, node manipulation, and DOM Clobbering. Follow us on twitter at: https://x.com/ctbbpodcast Got any ide...

Episode 110: Oauth Gadget Correlation and Common Attacks 13.02.2025

Episode 110: In this episode of Critical Thinking - Bug Bounty Podcast we hit some quick news items including a DOMPurify 3.2.3 Bypass, O3 mini updates, and a cool postLogger Chrome Extension. Then, we hone in on OAuth vulnerabilities, API keys, and innovative techniques hackers use to exploit these systems. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel fre...

Episode 109: Creative Recon - Alternative Techniques 06.02.2025

Episode 109: In this episode of Critical Thinking - Bug Bounty Podcast we start off with a quick recap of some of the DeepSeek Drama that’s been going down, and discuss AI in CAPTCHA and 2FA as well. Then we switch to cover some other news before settling in to talk about Alternative Recon Techniques Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to sen...

Episode 108: How to Hack Salesforce, ServiceNow, and Other SaaS Products With Aaron Costello 30.01.2025

Episode 108: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph bring on Aaron Costello to discuss SaaS security and misconfigurations as a bug class. He also gives some in-depth examples from Salesforce, ServiceNow, and Power Pages. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinki...

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