Episodes

49
Dec. 14, 2023

Episode 49: Getting Live Hacking Event Invites & Bug Bounty Collab with Nagli

Episode 49: In this episode of Critical Thinking - Bug Bounty Podcast, Justin Gardner is once again joined by Nagli to discuss some of their recent hacking discoveries. They talk about finding and exploiting a backup file in an ASP.NET app, discovering vulnerabilities through Swagger files, and debating the vulnerability of a specific ‘undisclosed’ domain. Then they reflect on 2023’s Live Hacking Event circuit, and preview what’s to come in 2024’s. This episode sponsored by Wordfence! Wordfen...
48
Dec. 7, 2023

Episode 48: MVH, DEFCON Black Badge, Googler - Sam Erb

Episode 48: In this episode, joined by the spectacular Sam Erb, Google Security Engineer and DEFCON Black Badge winner. We talk about the importance of understanding how systems work to find vulnerabilities, and how his engineering background influences his hunting style and methodologies. Then we jump over to his Career Development and his work with Google, and then chat about some of the recent Google Vulnerability Programs. This episode is sponsored by Wordfence! Wordfence recently launche...
Guest: Sam Erb
47
Nov. 30, 2023

Episode 47: CSP Research, Iframe Hopping, and Client-side Shenanigans

Episode 47: In this episode of Critical Thinking - Bug Bounty Podcast, the holidays are fast approaching, and Justin and Joel discuss some of the struggles of getting back into the hacking groove during and after breaks. We also celebrate the newly launched Critical Thinking Discord Community before diving into Iframe Sandwhiches, JS Hoisting, CSP Bypasses, and a host of new tools, techniques, and tangents. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free...
46
Nov. 23, 2023

Episode 46: The SAML Ramble

Episode 46: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is deep diving the topic of SAML (Security Assertion Markup Language), and walks through what it is and why it can be intimidating, before going over some key attack vectors to look for. Then he closes out with a commentary on a sample payload, and some HackerOne reports. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast....
45
Nov. 16, 2023

Episode 45: The OG Bug Bounty King - Frans Rosen

Episode 45: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome Frans Rosén, an OG bug bounty hunter and co-founder of Detectify. We kick off with Frans sharing his journey bug bounty and security startups, before diving headfirst into a host of his blog posts. We also cover the value of pseudo-code for bug exploitation, understanding developer terminology, the challenges of collaboration and delegating tasks, and balancing hacking with parenting. If you're inter...
Guest: Frans Rosen
44
Nov. 9, 2023

Episode 44: URL Parsing & Auth Bypass Magic

Episode 44: In this episode of Critical Thinking - Bug Bounty Podcast, the topic is URL structure, and Justin and Joel break down the elements that make up a URL and some common tips and tricks surrounding them which allow for all sorts of bypasses. We also round out the episode with some new tools, ato stories, and some controversial current events in the hacker scene. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: info@cr...
43
Nov. 2, 2023

Episode 43: Caido - The Up-And-Coming HTTP Proxy

Episode 43: In this episode of Critical Thinking - Bug Bounty Podcast, we're joined by Emile from Caido, who shares his journey into the bug bounty and ethical hacking world. We kick off with a hilarious incident involving Joel, a child on an airplane, and an unfortunate cough. We then dive into the challenges of building an HTTP proxy tool, balancing basic features with nice-to-have features, and the importance of user feedback in shaping the development of Caido, a bug bounty tool. Follow u...
Guest: Emile Fugulin
42
Oct. 26, 2023

Episode 42: Renniepak Interview & Intigriti LHE Recap

Episode 42: In this episode of Critical Thinking - Bug Bounty Podcast, we're live from a hacking event in Portugal, and joined by the extremely talented René de Sain! He helps us cover a host of topics like NFT, XSS, LHE, and tips for success. We also talk about the correlation between creativity and hacking, shared workspaces, and last but certainly not least, hacker tattoos. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: ...
41
Oct. 19, 2023

Episode 41: Mini Masterclass: Attack Vector Ideation

Episode 41: In this episode of Critical Thinking - Bug Bounty Podcast, Justin takes a break from his busy travel schedule to walk us through a few of his Attack Vector formulation strategies. We’re keeping this one short and sweet, so it can be better used as a reference when looking for new vectors. 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 intro...
40
Oct. 12, 2023

Episode 40: Bug Bounty Mentoring

Episode 40: In this episode of Critical Thinking - Bug Bounty Podcast, it’s all about mentorships! Justin sits down with Kodai and So, two hackers he helped mentor, to discuss what worked and what didn’t. We talk about the importance of mentorship, what mentors might look for in a candidate, the challenges of transitioning from being mentored to self-education, and the necessity of continuous learning in this ever-evolving field that is bug bounty. This episode is a treasure trove of insights, a...
39
Oct. 5, 2023

Episode 39: The Art of Architectures

Episode 39: In this episode of Critical Thinking - Bug Bounty Podcast, We're catching up on news, including new override updates from Chrome, GPT-4, SAML presentations, and even a shoutout from Live Overflow! Then we get busy laying the groundwork on a discussion of web architecture. better get started on this one, cause we're going to need a part two! Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingp...
38
Sept. 28, 2023

Episode 38: Mobile Hacking Maestro: Sergey Toshin

Episode 38: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome mobile hacking maestro Sergey Toshin (aka @bagipro). We kick off with Sergey sharing his unexpected journey into mobile security, and how he rose to become the number one hacker in both Google Play Security and Samsung Bug Bounty programs. We then delve into the evolving perception of mobile bugs, a myriad of new and existing attack vectors, and discuss Sergey's creation of mobile security company Ov...
37
Sept. 21, 2023

Episode 37: Tokyo Hacking & Interview with 0xLupin

Episode 37: In this episode of Critical Thinking - Bug Bounty Podcast we're joined by none other than Lupin himself! We recap the Tokyo LHE and the lessons we learned from it before diving into his legendary journey into security research and bug bounty. We also talk collaboration of all kinds: pair hacking, joining a team, and starting a business together. We even touch on some great tools that can collaborate with each other! This was a fun one, and we don't want you to miss it! Follow us o...
36
Sept. 14, 2023

Episode 36: Bug Bounty Ethics & CT Exclusive Bug Reports

Episode 36: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel take a break from LHE prep to answer questions about the ethics of bug bounty and share their recent bug finds. We talk Iframes, mobile intercept proxies, open redirects, and that time Justin got shot at… 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 intro music! ...
35
Sept. 7, 2023

Episode 35: King of Collaboration: Douglas Day

Episode 35: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome Douglas Day, a bug bounty hunter known for his unique methodologies and collaborative spirit. We talk about his approach to finding new endpoints in applications, his ingenious technique of exploiting Intercom widgets, and collaboration preferences and tips at LHEs. We also touch on the struggle of justifying hobbies that don't generate income and the importance of finding enjoyment in the process.We...
Guest: Douglas Day
34
Aug. 31, 2023

Episode 34: Program vs Hacker Debate

Episode 34: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel have both beaten COVID and now square off against each other in a mega-debate representing hackers and program managers respectively. Among the topics included are Disclosures, Dupes, Zero-Day Policy, payouts, budgets, Triage and Retesting. So, if you want blood-pumping, insult-hurling opinion-invalidating debate…then maybe look somewhere else. But if a thought-provoking discussion about bug bounty is more you...
33
Aug. 24, 2023

Episode 33: The Master of Hacker Show&Tell: Inti De Ceukelaire

Episode 33: In this episode of Critical Thinking - Bug Bounty Podcast, we welcome Inti De Ceukelaire, a seasoned bug hunter known for his creative storytelling and impactful show-and-tell bugs…and let us tell you, his stories do not disappoint! From his bug bounty journey to some pretty wild hacks, Inti captivates us as only Inti can. We discuss the potential life-saving impact of bug bounty reports, especially in areas such as transportation and medical devices. We also cover hacker mentality, ...
32
Aug. 17, 2023

Episode 32: The Great Write-up Low-down

Episode 32: In this episode of Critical Thinking - Bug Bounty Podcast, Joel caught a nasty bug (no, not that kind) so Justin is flying solo, and catches us up to speed on what's been happening in hacking news. 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 intro music! ------ Links ------ Follow your hosts Rhynorater & Teknogeek on twitter: ht...
31
Aug. 10, 2023

Episode 31: Alex Chapman - The Man of Many Crits

Episode 31: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to be joined by Alex Chapman, a seasoned InfoSec hacker and bug bounty hunter. We kick off with Alex sharing his hacking journey, from a guest lecturer that inspired him, to working on internal Red Teams, to his transition to working with HackerOne, and finally as a bug bounty hunter focusing on searching out those few, high impact bugs. We also discuss the power of collaboration, the challenges of balancing ha...
30
Aug. 3, 2023

Episode 30: Recon Legend Shubs - From Burgers to Bounties

Episode 30: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to be joined by renowned bug bounty hunter Shubs. We kick off with him sharing his journey from burgers to bugs, and how his friendly rivalry with a fellow hacker fueled his passion for reconnaissance, as well as his love of collaboration. We then shift gears to talk about the art of debugging, ethics and economics of bug bounty hunting, the transition to Entrepreneur, and the evolution of Assetnote from a reco...
29
July 27, 2023

Episode 29: Live Episode with Sean Yeoh - Assetnote Engineer

Episode 29: In this episode of Critical Thinking - Bug Bounty Podcast sit down with Assetnote Engineer Sean Yeoh, and pick his brain about what he's learned on his development journey. We talk about the place and importance of message brokers, and which ones we like best, as well as his engineering philosophy regarding bottleneck prevention and the importance of pursuing optimization. Don't miss this episode of terrific technical tips! Follow us on twitter at: @ctbbpodcast We're new to thi...
28
July 20, 2023

Episode 28: Surfin' with CSRFs

Episode 28: In this episode of Critical Thinking - Bug Bounty Podcast, the CSRF’s up, dude! We kick off with a debate about whether or not deep link vulns in mobile apps can be considered CSRF. We also talk browser extensions and tools like Hackbar, PwnFox, and JS Weasel, and Justin tries to invent a whole new vuln term. There’s plenty of good stuff here, so what are you waiting for? Jump on in! Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send ...
27
July 13, 2023

Episode 27: Top 7 Esoteric Web Vulnerabilities

Episode 27: In this episode of Critical Thinking - Bug Bounty Podcast, we've switched places and now Joel is home while Justin is on the move. We break down seven esoteric web vulnerabilities, and talk Cookies, Config File Injections, Client-side path traversals and more. We also briefly discuss appliance hacking, new tools, and shout out some new talent in the hacking space. Don't miss this episode full of cool vulns, and experience Justin's vocal decline in real time. Follow us on twitter a...
26
July 6, 2023

Episode 26: Client-side Quirks & Browser Hacks

In this episode of Critical Thinking - Bug Bounty Podcast, we're back with Joel, fresh (haha) off of back-to-back live hack events in London and Seoul. We start with his recap of the events, and the different vibes of each LHE, then we dive into the technical thick of it, and talk web browsers, XSS vectors, new tools, CVSS 4, and much more than we can fit in this character limit. Just trust us when we say you don’t want to miss it! Follow us on twitter at: @ctbbpodcast We're new to this po...