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 107: Bypassing Cross-Origin Browser Headers 23.01.2025

Episode 107: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph are tackling the subject of cross-origin security headers. They also cover some news items including Google’s OAuth login flaw, RAINK, and gift card hacking. 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...

Episode 106: Announcing our new cohost... 16.01.2025

Episode 106: In this episode of Critical Thinking - Bug Bounty Podcast we are pleased to announce our new co-host of the podcast: Joseph Thacker Aka Rez0! We discuss Joseph's transition to full-time bug bounty hunting, his goals, and what he’s looking forward to bringing to the pod. We also cover some news items including doubleclickjacking, character set attacks, SVG XSS, and more. Follow us on t...

Episode 105: Best Critical Thinking Moments from 2024 09.01.2025

Episode 105: In this episode of Critical Thinking - Bug Bounty Podcast we're back with another Best-of episode recapping some of our top moments of 2024. Follow us on twitter at: @ctbbpodcast Ssend us any feedback here: info@criticalthinkingpodcast.io Shoutout to YTCracker for the awesome intro music! ------ Links ------ Follow your hosts Rhynorater & Rez0 on twitter: https://x.com/Rhynorater...

Episode 104: 2024 Hacker Stats & 2025 Goals 02.01.2025

Episode 104: In this episode of Critical Thinking - Bug Bounty Podcast Justin reflects upon the past year and walks through some of the bug bounty goals he had for 2024, and how he feels like he did. Then he sets some goals for 2025, as well as some exciting CT news for the coming year. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback h...

Episode 103: Getting ANSI about Unicode Normalization 26.12.2024

Episode 103: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph delve into the vulnerabilities associated with ANSI codes and large language models (LLMs), as well as talk through some new research and the value of micro-blogging in general. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthi...

Episode 102: Building Web Hacking Micro Agents with Jason Haddix 19.12.2024

Episode 102: In this episode of Critical Thinking - Bug Bounty Podcast Justin grabs Jason Haddix to help brainstorm the concept of AI micro-agents in hacking, particularly in terms of web fuzzing, WAF bypasses, report writing, and more. They discuss the importance of contextual knowledge, the cost implications, and the strengths of different LLM Models. Follow us on twitter at: @ctbbpodcast We're...

Episode 101: CTBB Hijacked: Rez0__ on AI Attack Vectors with Johann Rehberger 12.12.2024

Episode 101: In this episode of Critical Thinking - Bug Bounty Podcast we’ve been hijacked! Rez0 takes control of this episode, and sits down with Johann Rehberger to discuss the intricacies of AI application vulnerabilities. They talk through the importance of understanding system prompts, and various obfuscation techniques used to bypass security measures, the best AI platforms, and the evolving...

Ep 100 - 8 Fav Bugs of 2024, Farewell Joel, Hello Shift - Cursor of Hacking 05.12.2024

Episode 100: In this episode of Critical Thinking - Bug Bounty Podcast we have a mixed bag. We celebrate 100 episodes of Critical Thinking, but also bid farewell to Joel, who will be leaving the show as a co-host, but returning as guest. Then we hear from a bunch of friends about their 'best bug of the year', before capping the episode with the announcement of a new AI tool we've been working on!...

Episode 99: Back to the Basics - Web Fundamental to 100k a Year in Bug Bounty 28.11.2024

Episode 99: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Roni dissect an old thread of Justin's talking about how best to start bug bounty with the goal of making $100k in the first year. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io Shoutout to YTCracker for the awesome i...

Episode 98: Team 82 Sharon Brizinov - The Live Hacking Polymath 21.11.2024

Episode 98: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner sits down with Sharon,to discuss his journey from early iOS development to leading a research team at Claroty. They address the differences between HackerOne and Pwn2Own, and talk through some intricacies of IoT security, and some less common IoT attack surfaces. Follow us on twitter at: @ctbbpodcast We're new to...

Episode 97: Bcrypt Hash Input Truncation & Mobile Device Threat Modeling 14.11.2024

Episode 97: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel jump into some cool news items, including a recent Okta Bcrypt vulnerability, insights into crypto bugs, and some intricacies of Android and Chrome security. They also explore the latest research from Portswigger on payload concealment techniques, and the introduction of the Lightyear tool for PHP exploits. Follo...

Episode 96: Cookies & Caching with MatanBer 07.11.2024

Episode 96: In this episode of Critical Thinking - Bug Bounty Podcast we’re back with Matanber to hit some stuff we ran out of time on last episode. We talk about advanced cookie parsing techniques and exploitation methods, Safari's unique behaviors regarding cookie handling and debugging methods, and some of the writeups from the HeroCTF v6. Follow us on twitter at: @ctbbpodcast We're new to this...

Episode 95: Attacking Chrome Extensions with MatanBer - Big Impact on the Client-Side 31.10.2024

Episode 95: In this episode of Critical Thinking - Bug Bounty Podcast In this episode, Justin is joined by MatanBer to delve into the intricacies of browser extensions. We talk about the structure and threat models, and cover things like service workers, extension pages, and isolated worlds. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedb...

Episode 94: Zendesk Fiasco & the CTBB Naughty List 24.10.2024

Episode 94: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel give their perspectives on the recent Zendesk fiasco and the ethical considerations surrounding it. They also highlight the launch of AuthzAI and some research from Ophion Security Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthi...

Episode 93: A Chat with Dr. Bouman - Life as a Hacker and a Doctor 17.10.2024

Episode 93: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Dr. Jonathan Bouman to discuss his unique journey as both a Hacker and a Healthcare Professional. We talk through how he balances his dual careers, some ethical considerations of hacking in the context of healthcare, and highlight some experiences he’s had with Amazon's bug bounty program. Follow us on twitter at...

Episode 92 - SAML XPath Confusion, Chinese DNS Poisoning, and AI Powered 403 Bypasser 10.10.2024

Episode 92: In this episode of Critical Thinking - Bug Bounty Podcast In this episode Justin and Joel tackle a host of new research and write-ups, including Ruby SAML, 0-Click exploits in MediaTek Wi-Fi, and Vulnerabilities caused by The Great Firewall Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.i...

Episode 91: Zero to LHE in 9 Months (feat gr3pme) 03.10.2024

Episode 91: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner sits down with Critical Thinking’s own HackerNotes writer Brandyn Murtagh (gr3pme) to talk about his journey with Bug Bounty. We cover mentorship, networking and LHEs, ecosystem hacking, emotional regulation, and the need for self-care. Then we wrap up with some fun bugs. Follow us on twitter at: @ctbbpodcast We'r...

Episode 90: 5k Clickjacking, Encryption Oracles, and Cursor for PoCs 26.09.2024

Episode 90: In this episode of Critical Thinking - Bug Bounty Podcast Joel and Justin recap some of their recent hacking ups and downs and have a lively chat about Cursor. Then they cover some some research about SQL Injections, Clickjacking in Google Docs, and how to steal your Telegram account in 10 seconds. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free t...

Episode 89: The Untapped Bug Bounty Landscape of IoT w/ Matt Brown 19.09.2024

Episode 89: In this episode of Critical Thinking - Bug Bounty Podcast We’re joined live by Matt Brown to talk about his journey with hacking in the IoT. We cover the specializations and challenges in hardware hacking, and Matt’s personal Methodology. Then we switch over to touch on BGA Reballing, Certificate Pinning and Validation, and some of his own bug stories. Follow us on twitter at: @ctbbpod...

Episode 88: News, Tools, and Writeups 12.09.2024

Episode 88: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel tackle a whole slate of new research including a new cheat sheet for URL validation bypass from Portswigger, the introduction of Sanic DNS as a high-speed DNS resolver, xsstools, and the Dockerization of Orange Confusion Attacks. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel fr...

Episode 87: 'Hacker Wife' Mariah Gardner on Bug Bounty mentality and relationships 05.09.2024

Episode 87: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with none other than his wife Mariah to talk about Bug Bounty from the perspective of a Significant Other. They share how they’ve traversed travel and Live Hacking Events, household chores, hobbies, goals, rewards, as well as how best to encourage and support the hacker/non-hacker in your life. Follow us on twit...

Episode 86: The X-Correlation between Frans & RCE - Research Drop 29.08.2024

Episode 86: In this episode of Critical Thinking - Bug Bounty Podcast Frans blows Justin’s mind with a sneak peak of his new presentation. Note: This is a little different from our normal episode, and video is recommended. So head over to ctbb.show/yt if you feel like you’re missing something. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any fee...

Episode 85: Practical Applications of DEFCON 32 Web Research 22.08.2024

Episode 85: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel talk through some of the research coming out of DEFCON, mainly from the PortSwigger team. Web timing attacks, cache exploitation, and exploits related to email protocols are all featured. Plus we also talk some fun Apache hacks from Orange Tsai Follow us on twitter at: @ctbbpodcast We're new to this podcasting th...

Episode 84: 0xLupin & Takeaways from Google's Las Vegas BugSwat 15.08.2024

Episode 84: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is joined by Roni Carta (@0xLupin) to discuss their MVH win at the recent Google LHE, and share some technical observations they had with the target and the event. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io Shoutout...

Episode 83: Brainstorming Proxy Plugins 08.08.2024

Episode 83: In this episode of Critical Thinking - Bug Bounty Podcast Joel and Justin are brainstorming new features and improvements for Caido, such as the implementation of a 403 bypassing workflow, a text expander, Tracing Cookies, and more. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io Shouto...

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