Episodes

  • Episode 145: Gr3pme's Secret: Bug Bounty Note Taking Methodology
    Oct 23 2025

    Episode 145: In this episode of Critical Thinking - Bug Bounty Podcast Brandyn lets us in on some of his notetaking tips, including his Templates, Threat Modeling, and ways he uses notes to help with collaboration.

    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!

    ====== Links ======

    Follow your hosts Rhynorater, Rez0, & gr3pme on Twitter:

    https://x.com/Rhynorater

    https://x.com/rez0__

    https://x.com/gr3pme

    ====== Ways to Support CTBBPodcast ======

    Hop on the CTBB Discord at https://ctbb.show/discord!

    We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

    You can also find some hacker swag at https://ctbb.show/merch!

    Today's Sponsor: ThreatLocker. Check out ThreatLocker Network Control

    https://www.criticalthinkingpodcast.io/tl-nc

    ====== This Week in Bug Bounty ======

    The minefield between syntaxes

    https://www.yeswehack.com/learn-bug-bounty/syntax-confusion-ambiguous-parsing-exploits

    ====== Resources ======

    Brandyn's Notion Template

    https://terrific-dart-70e.notion.site/Example-Target-CTBB-294f4ca0f42481cca0b0ca6ac0a7c81d

    ====== Timestamps ======

    (00:00:00) Introduction

    (00:07:25) Templates, Target, and Tech Stack

    (00:13:33) Threat Modeling and Attack Vectors

    Show More Show Less
    28 mins
  • Episode 144: Google’s Top AI Hackers: Busfactor and Monke
    Oct 16 2025

    Episode 144: In this episode of Critical Thinking - Bug Bounty Podcast Joseph is joined by Vitor Falcão and Ciarán Cotter to discuss their success at the recent Mexico LHE, as well as their journey and routines in fulltime 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

    Shoutout to YTCracker for the awesome intro music!

    ====== Links ======

    Follow your hosts Rhynorater and Rez0 on Twitter:

    https://x.com/Rhynorater

    https://x.com/rez0__

    ====== Ways to Support CTBBPodcast ======

    Hop on the CTBB Discord at https://ctbb.show/discord!

    We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

    You can also find some hacker swag at https://ctbb.show/merch!

    Today's Sponsor: ThreatLocker. Check out ThreatLocker DAC

    https://www.criticalthinkingpodcast.io/tl-dac

    Today’s Guests:

    Vitor Falcão

    https://x.com/busf4ctor

    Ciarán Cotter

    https://x.com/monkehack

    ====== This Week in Bug Bounty======

    Securing the Age of AI Autonomy: Priorities for 2026

    https://www.hackerone.com/events/bionic-hacking

    ====== Resources ======

    AI Vulnerability Reward Program Rules

    https://bughunters.google.com/about/rules/google-friends/5222232590712832/ai-vulnerability-reward-program-rules

    My First 3 Months as a Full-Time Bug Bounty Hunter

    https://vitorfalcao.com/posts/3-months-as-a-full-time-bug-bounty-hunter/

    ====== Timestamps ======

    (00:00:00) Introduction

    (00:02:32) Client side Bug Story & Vitor's BB journey

    (00:13:59) Google LHE Mexico takeaways

    (00:26:55) Full-time hunting reflections

    (00:33:39) Hacking routines

    (00:42:56) Hacking AI

    Show More Show Less
    53 mins
  • Episode 143: New Cohost + Client-Side Gadgets, LHE Meta — Instant Global Admin in Entra!
    Oct 9 2025

    Episode 143: In this episode of Critical Thinking - Bug Bounty Podcast Justin brings Brandyn back to announce him as our newest co-host. We chat about recent LHE experiences, and then break down some news.

    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!

    ====== Links ======

    Follow your hosts Rhynorater and Rez0 on Twitter:

    https://x.com/Rhynorater

    https://x.com/rez0__

    ====== Ways to Support CTBBPodcast ======

    Hop on the CTBB Discord at https://ctbb.show/discord!

    We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

    You can also find some hacker swag at https://ctbb.show/merch!

    ====== This Week in Bug Bounty ======

    YesWeHack won the European commission: https://www.yeswehack.com/news/european-commission-tender-won-yeswehack

    YesWeHack now have authorised cve numbering authority: https://www.yeswehack.com/news/yeswehack-authorised-cve-numbering-authority

    A wide range of highly used open source bug bounty program such as Log4J, Systemd, GNOME and a lot more:

    https://event.yeswehack.com/events/open-the-code-source-the-bounty

    ====== Resources ======

    Attributes reference inside HTML

    Explaining XSS without parentheses and semi-colons

    Beyond Sandbox Domains: Rendering Untrusted Web Content with SafeContentFrame

    One Token to rule them all

    flareprox

    Caido 101: How to master it

    ====== Timestamps ======

    (00:00:00) Introduction

    (00:03:16) LHE approaches and accomplishments

    (00:30:54) Attributes reference inside HTML & Explaining XSS without parentheses and semi-colons

    (00:44:33) One Token to rule them all

    (00:57:13) Flareprox & Caido 101

    Show More Show Less
    1 hr and 4 mins
  • Episode 142: Gr3pme's Full-Time Hunting Journey Update, Insane AI research, And Some Light News
    Oct 2 2025

    Episode 142: In this episode of Critical Thinking - Bug Bounty Podcast Rez0 and Gr3pme join forces to discuss Websocket research, Meta’s $111750 Bug, PROMISQROUTE, and the opportunities afforded by going full time in Bug Bounty.

    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!

    ====== Links ======

    Follow your hosts Rhynorater and Rez0 on Twitter:

    ====== Ways to Support CTBBPodcast ======

    Hop on the CTBB Discord at https://ctbb.show/discord!

    We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

    You can also find some hacker swag at https://ctbb.show/merch!

    Today's Sponsor: ThreatLocker. Check out ThreatLocker DAC

    Today’s Guest: https://x.com/gr3pme

    ====== This Week in Bug Bounty ======

    New Monthly Dojo challenge and Dojo UI design

    The ultimate Bug Bounty guide to exploiting race condition vulnerabilities in web applications

    Watch Our boy Brandyn on the TV

    ====== Resources ======

    murtasec

    WebSocket Turbo Intruder: Unearthing the WebSocket Goldmine

    Remote code execution though vulnerability in Facebook Messenger for Windows

    Finding vulnerabilities in modern web apps using Claude Code and OpenAI Codex

    Mind the Gap

    PROMISQROUTE

    ====== Timestamps ======

    (00:00:00) Introduction

    (00:05:16) Full Time Bug Bounty and Business Startups

    (00:15:50) Websockets

    (00:22:17) Meta’s $111750 Bug

    (00:28:38) Finding vulns using Claude Code and OpenAI Codex

    (00:39:32) Time-of-Check to Time-of-Use Vulns in LLM-Enabled Agents

    (00:45:22) PROMISQROUTE

    Show More Show Less
    55 mins
  • Episode 141: Hacking the Pod - Google Docs 0-day & React CreateElement Exploits with Nick Copi (7urb0)
    Sep 25 2025

    Episode 141: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with Nick Copi to talk about CSPT, React, CSS Injections and how Nick hacked the pod.

    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!

    ====== Links ======

    Follow your hosts Rhynorater and Rez0 on Twitter:

    https://x.com/Rhynorater

    https://x.com/rez0__

    ====== Ways to Support CTBBPodcast ======

    Hop on the CTBB Discord at https://ctbb.show/discord!

    We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

    You can also find some hacker swag at https://ctbb.show/merch!

    Today's Sponsor: ThreatLocker. Check out ThreatLocker DAC

    https://www.criticalthinkingpodcast.io/tl-dac

    Today’s Guest: https://x.com/7urb01

    ====== Resources ======

    regexploit

    https://github.com/doyensec/regexploit

    Fontleak

    https://adragos.ro/fontleak/

    debug(function)

    https://developer.chrome.com/docs/devtools/console/utilities#debug-function

    domloggerpp

    https://github.com/kevin-mizu/domloggerpp

    ====== Timestamps ======

    (00:00:00) Introduction

    (00:02:40) Google Docs Bug and 7urb0 Introduction

    (00:13:26) Bring-a-bug story

    (00:20:21) 7urb0's DEFCON talk teaser & Intrusive Thoughts Worth Sharing

    (00:30:01) CSPTs and React Apps

    (00:51:31) CSS Injections

    (01:04:55) 7urb0's backstory and game hacking

    (01:18:33) Worst Crit

    Show More Show Less
    1 hr and 24 mins
  • Episode 140: Crit Research Lab Update & Client-Side Tricks Galore
    Sep 18 2025

    Episode 140: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph give an update from The Crit Research Lab, as well as some writeups on postMessage vulnerabilities, Cookie Chaos, and more.

    Follow us on X at: https://x.com/ctbbpodcast

    Got any ideas and suggestions? Send us feedback at info@criticalthinkingpodcast.io

    Shoutout to YTCracker for the awesome intro music!

    ====== Links ======

    Follow your hosts Rhynorater and Rez0

    ====== Ways to Support CTBBPodcast ======

    Hop on the CTBB Discord!

    Get some hacker swag here!

    ====== This Week in Bug Bounty ======

    Cross-site request forgery

    HackerOne New Milestone Program

    Email santerra.holler@bugcrowd.com for media opportunities

    ====== Resources ======

    Exploiting Web Worker XSS with Blobs

    Critical Research Lab

    Rez0's Tweet

    CVE-2022-21703: cross-origin request forgery against Grafana

    Conversation about Forcing Quirks Mode

    AI Busniess Logic & POC or GTFO

    Hunting postMessage Vulnerabilities – Part 1

    Hunting postMessage Vulnerabilities – Part 2

    Executive Offense

    Cookie Chaos: How to bypass Host and Secure cookie prefixes

    ====== Timestamps ======

    (00:00:00) Introduction

    (00:05:48) Crit Research Update

    (00:13:00) Encouragement & Collaboration

    (00:19:37) Cross-origin request forgery & Anthropic's web fetch

    (00:29:17) Quirks Mode, AI Business Logic & POC or GTFO

    (00:44:21) Hunting postMessage & Claude Code browserbase

    (00:51:25) Community story, Executive Offense, & Cookie Chaos

    Show More Show Less
    58 mins
  • Episode 139: James Kettle - Pwning in Prod & How to do Web Security Research
    Sep 11 2025

    Episode 139: In this episode of Critical Thinking - Bug Bounty Podcast Justin finally sits down with the great James Kettle to talk about HTTP Proxys, metagaming research, avoiding burnout, and why HTTP/1.1 must die!

    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!

    ====== Links ======

    Follow your hosts Rhynorater and Rez0 on Twitter:

    https://x.com/Rhynorater

    https://x.com/rez0__

    ====== Ways to Support CTBBPodcast ======

    Hop on the CTBB Discord at https://ctbb.show/discord!

    We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

    You can also find some hacker swag at https://ctbb.show/merch!

    Today’s Guest: https://x.com/albinowax

    https://jameskettle.com

    ====== This Week in Bug Bounty ======

    Building an Android Bug Bounty lab

    Mobile Hacking Toolkit

    ====== Resources ======

    CVE-2022-22720

    So you want to be a web security researcher?

    Hunting Evasive Vulnerabilities: Finding Flaws That Others Miss by James Kettle

    HTTP/1.1 Must Die! The Desync Endgame

    Practical HTTP Host header attacks

    ====== Timestamps ======

    (00:00:00) Introduction

    (00:05:01) Apache MITM-powered pause-based client-side desync

    (00:15:33) HTTP Proxys and Burp Suite HTTP/2 in Repeater

    (00:24:52) AI intagrations, life structure, and avoiding burnout

    (00:35:23) Client-side to server-side progression

    (00:47:39) The 'metagame' of security research

    (01:29:43) Host Header Attacks & HTTP/1.1 Must Die!

    (02:02:34) Is HTTP/2 the solution?

    Show More Show Less
    2 hrs and 22 mins
  • Episode 138: Caido Tools and Workflows
    Sep 4 2025

    Episode 138: In this episode of Critical Thinking - Bug Bounty Podcast We’re talking Caido tools and workflows. Justin gives us a list of some of the Caido tools that have caught his interest, as well as how he’s using them.

    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!

    ====== Links ======

    Follow your hosts Rhynorater and Rez0 on Twitter:

    https://x.com/Rhynorater

    https://x.com/rez0__

    ====== Ways to Support CTBBPodcast ======

    Hop on the CTBB Discord at https://ctbb.show/discord!

    We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

    You can also find some hacker swag at https://ctbb.show/merch!

    ====== This Week in Bug Bounty ======

    Meet YesWeHack at ROOTCON 2025

    https://www.yeswehack.com/page/meet-yeswehack-at-rootcon-2025

    New Dojo challenge featuring a Local File Inclusion in a Ruby application

    https://dojo-yeswehack.com/challenge-of-the-month/dojo-44?utm_source=sponsor&utm_medium=challenge&utm_campaign=dojo-44

    AI Red Teaming CTF

    https://ctf.hackthebox.com/event/details/ai-red-teaming-ctf-ai-gon3-rogu3-2604

    ====== Resources ======

    Web Security Labs

    http://caido.rhynorater.com

    ====== Timestamps ======

    (00:00:00) Introduction

    (00:02:32) Common filters & command palette in EvenBetter

    (00:06:49) Notes++

    (00:09:28) Shift Agents and Drop

    (00:15:34) Workflows

    Show More Show Less
    23 mins