The BlueHat Podcast

In this episode of The BlueHat Podcast, host Nic Fillingham is joined by George Hughey from Microsoft who returns to discuss his Blue Hat India talk on variant hunting, explaining how MSRC uses submission data from hacking competitions like Pwn2Own and Tianfu Cup to uncover additional security vulnerabilities in Windows. George shares how incentives in competitions differ from bug bounty programs,...

In this episode of The BlueHat Podcast, host Nic Fillingham and Wendy Zenone are joined by Mike Macelletti from Microsoft’s MSRC Vulnerabilities and Mitigations team to explore Redirection Guard, a powerful mitigation designed to tackle a long-standing class of file path redirection vulnerabilities in Windows. Mike shares how his interest in security began, the journey behind developing Redirectio...

In this episode of The BlueHat Podcast, host Nic Fillingham and Wendy Zenone share Ram Shankar Siva Kumar’s dynamic keynote from BlueHat India 2025, where he explores the evolving threat landscape of AI through the lens of the Microsoft AI Red Team. From adversarial machine learning to psychosocial harms and persuasive AI, Ram highlights real-world case studies, including prompt injection, content...

In this episode of The BlueHat Podcast, host Nic Fillingham and Wendy Zenone share David Weston’s keynote from BlueHat India 2025. David explores the growing role of on-device AI in Windows, the security risks it introduces, and how Microsoft is rethinking architecture to defend against new threats like model tampering, data exfiltration, and AI-powered malware. He also shares insights on innovati...

In this episode of The BlueHat Podcast, host Nic Fillingham and Wendy Zenone are joined by Felix Boulet fresh off his participation in Zero Day Quest. Felix talks about his unique journey from industrial maintenance to becoming a full-time vulnerability researcher, and how that background fuels his passion for hacking and bug bounty work. He explains his method for finding bugs in Microsoft produc...

In this episode of The BlueHat Podcast, host Nic Fillingham and Wendy Zenone are joined by Marco Ivaldi, co-founder and technical director of HN Security, a boutique company specializing in offensive security services, shares his journey from hacking as a teenager in the '80s to becoming a key figure in the security research community. With nearly three decades of experience in cybersecurity, Marc...

In this episode of The BlueHat Podcast, host Nic Fillingham and Wendy Zenone are joined by Dhiral Patel, Senior Security Engineer at ZoomInfo and one of MSRC’s Most Valuable Researchers (MVR). Dhiral shares how a hacked Facebook account sparked his passion for ethical hacking. From web development to penetration testing, Dhiral has become a top bug hunter, landing multiple spots on the MSRC leader...

In this episode of The BlueHat Podcast, host Nic Fillingham and Wendy Zenone are joined by security researcher Tobias Diehl, a top contributor to the Microsoft Security Research Center (MSRC) leaderboards and a Most Valuable Researcher. Tobias shares his journey from IT support to uncovering vulnerabilities in Microsoft products. He discusses his participation in the upcoming Zero Day Quest hackin...

In this episode of The BlueHat Podcast, host Nic Fillingham and Wendy Zenone are joined by Brad Schlintz, independent security researcher and bug bounty hunter. Brad shares how he transitioned from a decade-long career as a software engineer to hacking Microsoft products while traveling the world with his wife. He recounts his early days tinkering with RuneScape bots, his experience working in Sha...

In this episode of The BlueHat Podcast, Nic and Wendy are joined by seasoned security researcher, and CTO of Morphisec, Michael Gorelik. Michael discusses his approach to security research, which often begins by exploring PoCs released by other researcher groups and continues through to the release and validation of – sometimes multiple rounds of – fixes. Michael also provides an overview of this...

In this episode of The BlueHat Podcast, host Nic Fillingham is joined by Scott Gorlick, Security Architect for Power Platform at Microsoft. Scott shares his unconventional journey into cybersecurity, from managing a KFC to driving big rigs before landing in tech. He dives into security research in Copilot Studio, discussing how AI models interact with security frameworks and how researchers can ap...

In this episode of The BlueHat Podcast, hosts Nic Fillingham and Wendy Zenone are joined by Jason Geffner, Principal Security Architect at Microsoft, to discuss his groundbreaking work on scaling and automating Dynamic Application Security Testing (DAST). Following on from his BlueHat 2024 session, and outlined in this MSRC blog post, Jason explains the key differences between DAST, SAST, and IAST...

In this episode of The BlueHat Podcast, hosts Nic Fillingham and Wendy Zenone are joined by BlueHat 2024 presenter Joe Bialek, a security engineer at Microsoft with over 13 years of experience. Joe shares his fascinating journey from intern to red team pioneer, recounting how he helped establish the Office 365 Red Team and pushed the boundaries of ethical hacking within Microsoft. He discusses his...

In this episode of The BlueHat Podcast, hosts Nic Fillingham and Wendy Zenone welcome back George Hughey and Rohit Mothe from the Microsoft Security Response Center (MSRC) to discuss their latest blog post on mitigating NTLM relay attacks by default. George and Rohit explain their roles in vulnerability hunting and delve into NTLM, a 40-year-old authentication protocol, outlining its vulnerabiliti...

Yonatan Zunger, CVP of AI Safety & Security at Microsoft joins Nic Fillingham and Wendy Zenone on this week's episode of The BlueHat Podcast. Yonatan explains the distinction between generative and predictive AI, noting that while predictive AI excels in classification and recommendation, generative AI focuses on summarizing and role-playing. He highlights how generative AI's ability to process na...

In this episode of The BlueHat Podcast, hosts Nic Fillingham and Wendy Zenone are joined by Johann Rehberger, security expert and Red Team director at Electronic Arts. Johann shares his career journey through roles at Microsoft, Uber, and EA, highlighting his expertise in red teaming and cybersecurity. Johann shares the inspiration behind his book on Red Team strategies and discusses his BlueHat 2...

In this episode of The BlueHat Podcast, hosts Nic Fillingham and Wendy Zenone present an insightful address by Corporate Vice President and Head of Product for Microsoft's Developer Division, Amanda Silver. Amanda discusses the importance of securing the software supply chain and Microsoft's efforts to protect the open-source ecosystem. She introduces the Secure Software Supply Chain Consumption F...

In episode 41 of The BlueHat Podcast we bring you the BlueHat 2024 day 1 keynote address given by Chris Wysopal, also known as Weld Pond, founder and Chief Security Evangelist at VeraCode, and founding member of the L0pht.     Chris’ talk - A Clash of Cultures Comes Together to Change Software Security - recounts the early days of “hacking” and how the industry evolved to embrace vulnerability dis...

In this episode of the Blue Hat Podcast, hosts Nic Fillingham and Wendy Zenone are joined by Arjun Gopalakrishna, a security engineer at Microsoft, to discuss his fascinating journey from software engineer to security leader. Arjun reflects on his 11-year tenure at Microsoft, including how a childhood experience with a computer virus sparked his curiosity in cybersecurity. He talks about his early...

In this episode of the Blue Hat Podcast, hosts Nic Fillingham and Wendy Zenone interview each other to give listeners insight into their personal and professional backgrounds. Nic recounts his unique career journey, which began with jobs like working as a chicken butcher and selling CDs, before joining Microsoft as an Xbox demo specialist. His career with Microsoft spanned various roles, ultimatel...

Jim Hull, Program Manager at MSRC joins Nic Fillingham and Wendy Zenone on this week's episode of The BlueHat Podcast to share insights into his role in reviewing vulnerability reports and managing cases. They dive into the submission process, detailing the types of reports accepted by MSRC and what happens after a researcher submits a potential vulnerability. The conversation also highlights the...

Guy Arazi, a UK-based security expert at Microsoft, joins Nic Fillingham on this week's episode of The BlueHat Podcast. Guy discusses his journey in security, which began in 2018 when he joined Microsoft, and his current role focusing on online services vulnerabilities within the MSRC (Microsoft Security Response Center). They delve into the concept of variant hunting, a critical process in identi...

Ryen Macababbad, Principal Security Program Manager at Microsoft joins Nic Fillingham on this week's episode of The BlueHat Podcast. Ryen discusses their career journey, including the return to Microsoft after working in security architecture and customer trust engineering. Ryen shares insights from their time at Hacker Summer Camp 2024 in Las Vegas, emphasizing the importance of creating friction...

Michael Howard, Senior Director at Microsoft joins Nic Fillingham on this week's episode of The BlueHat Podcast. Michael shares his journey at Microsoft, starting from his early days in New Zealand as part of a small team of ten. He discusses his extensive career, his contributions to cybersecurity, and his role in the development of essential security books like "Writing Secure Code" and "The Sec...

Yonatan Zunger, CVP of AI Safety & Security at Microsoft joins Nic Fillingham and Wendy Zenone on this week's episode of The BlueHat Podcast. Yonatan explains the distinction between generative and predictive AI, noting that while predictive AI excels in classification and recommendation, generative AI focuses on summarizing and role-playing. He highlights how generative AI's ability to process na...