Find Expert Speakers

As a seasoned speaker and trainer, Anant has shared his expertise at various prestigious platforms including Black Hat (USA/ASIA/EU), Defcon, Nullcon, c0c0n, and Rootconf. His extensive involvement in these conferences extends to serving as a CFP reviewer for Blackhat EU, nullcon, Rootconf by Hasgeek, and multiple villages at Defcon (Recon, Adversary and Cloud), showcasing his dedication to nurturing and elevating the discourse within the field.

I’m a results-driven Principal SecOps Engineer with over 15 years of proven expertise spanning across multiple organisations in various service sectors in architecting and delivering world-class security programs for global software organizations. I’ve spearheaded transformational automation initiatives, reducing report-generation times by over 95% and built unified multi-cloud compliance frameworks that consistently pass rigorous audits and compliances. I've created AI-powered attack surface platform earned international hackathon recognition, and I’ve presented SecOps deep dives at VULNCON, top engineering colleges, and industry forums.As Cloud Security Lead and Principal Engineer at Perforce, I’ve led high-impact teams to operationalize continuous monitoring, vulnerability management, and incident response at scale.A CISSP-certified mentor and community advocate, I actively contribute to open-source security projects and share expertise through workshops, and local meetups empowering the next generation of security professionals.

A motivated individual always up for breaking stuff ! Currently working as a Red Team Security Consultant with a focus on penetration testing and security assessments for Web, Mobile, API, OT, and Network environments. I have experience leading 150+ security assessments, working with vendors from various industries such as government agencies, private organizations, healthcare, crypto, finance, retail, education, and many more to identify vulnerabilities and improve their overall security and help organizations strengthen their defenses against potential threats.In addition to my professional work, I’m an active bug bounty hunter on platforms like Bugcrowd and Synack. I’ve earned recognition in 70+ Hall of Fame lists, including those of Microsoft, Apple, Google, Zoom, Okta, Canva, Indeed, Atlassian, Dell, and many more. Helping organizations strengthen their security by identifying vulnerabilities and contributing to their overall cybersecurity efforts.Constantly learning, always hacking, I thrive on offensive security challenges and take pride in discovering the unknown before attackers do.

Boik Su is a security research manager at CyCraft Technology and is currently focused on Cloud Security, Web Security, and Blockchain Security. He takes an active role in the cybersecurity community and has delivered speeches at multiple seminars across the globe, including HITCON, HITB, FIRSTCTI, VB, and HackerOne. He still participates in CTF competitions, including SECCON CTF in Japan and HITCON CTF in Taiwan, and has submitted multiple reports to bug bounty programs and open-source projects.

As an ethical hacker, I equip enterprises with the advice and solutions to improve their digital security posture and their overall business growth. Throughout my career as an ethical hacker I’ve worked across several industries including:💥 Government💥 Advertising💥 Retail💥 Financial Services💥 Blockchain💥 Technology💥 Publishing💥 Non-Profit💥 And more!This has provided me the opportunities to gain a breadth of knowledge on all things security testing.

Donavan is a Physics graduate turned into cybersecurity consultant with >8 years of experience in a variety of cybersecurity domains (e.g. offensive security, threat modeling, maturity assessments, security architecture) and business domains (cyber GRC).He blends his understanding of clients across both public and private sectors to identify key cybersecurity concerns and solutions to enable companies' cybersecurity compliance, confidence and cost-effectiveness (3 Cs).He has numerous contributions to the cybersecurity community since 2018. He has written hacking challenges, spoken at numerous conferences and events (SECCON JP, Threat Modeling Connect Japan, GCC 2025 @ Taiwan, Seasides 2025 @ Goa, SINCCON @ Singapore, DefCamp @ Romania) on topics ranging from threat modeling to application security. He has conducted career talks to encourage younger students from middle school to university levels to enter the cybersecurity industry. He also sits on the advisory board of VULNCON (since 2024), BSides Mumbai and Vazig, and has authored numerous articles on ISACA on topics ranging from post-quantum cryptography, to the relations between social sciences and cybersecurity as well as threat modelling. His views on cybersecurity has also been quoted by "The Pentester Blueprint" written by Phillip L. Wylie and Kim Crawley, and Offensive Security. He also contributes to the ISC2's Unified Body of Knowledge (UBK) through the Technical Advisory Panel Workshop.In Thales, he has also led a team to create a made in Singapore cybersecurity gamification experience, "Defend the Breach" (DTB), in three months, where players role-play CISO roles to make difficult cybersecurity decisions, taking into account both cyber and non-cyber factors such as the overall health of the business, manpower and operational requirements.Donavan also possesses certifications ranging from Offsec certifications (OSCE3, OSCP), ISC2 (CISSP), ISACA (CRISC) and is more than halfway through his Masters in Cybersecurity at Georgia Tech (OMSCY).On the mentorship front, he has developed and helped two mentees secure jobs, and mentors a dozen mentees in various capacities (individuals, cyber start-up founders)Outside cybersecurity, Donavan has also represented Singapore in international forums such as the ASEAN-India Youth Summit as a delegate.Find out more about me at https://donavan.sg and my cybersecurity writing at https://donavan.sg/blog.

As a seasoned technologist, life-long hacker, and world-renowned security professional, I excel at tackling complex problems from unconventional angles to uncover innovative solutions. With expertise in managing multicultural environments, I bridge the gap between commercial and technical sides of businesses, aligning international teams to achieve common goals. My entrepreneurial spirit and technical acumen enable me to navigate crisis situations, chaotic business environments, and strategic changes with ease.With a deep understanding of IP networking, telecom, internet communications, security, and cloud computing, I stay ahead of the curve by exploring new technologies before they hit the market. I analyze their strategic implications, disruptive effects, and emerging opportunities, providing valuable insights to businesses.My extensive experience spans designing complex computing environments, evaluating security issues in widely used systems, including election equipment, and authoring academic studies on election security. As a co-founder of the first pan-European internet service provider EUNet, I have a proven track record of developing secure communication protocols and technologies.Since 2005, I have advised law and policy makers, national and local governments, on cybersecurity and critical infrastructure in the United States, ASEAN, and elsewhere. I work with multiple companies on security technologies, identity management, cryptography, and digital biotech applications. My expertise is also sought after for security trainings and assessments of critical infrastructure worldwide.As a co-founder and co-organizer of DEF CON Voting Village, I have played a pivotal role in shaping the global security research and hacker community. My work has been featured in two Emmy-nominated HBO documentary films, "Hacking Democracy" (2006) and "Kill Chain: The Cyber War on America's Elections" (2020), showcasing my successful proof-of-concept mock election hack and follow-up analysis on election security.

Hiroki MATSUKUMA (@hhc0null) is a middle manager at Cyber Defense Institute, Inc., where he leads the reverse engineering section. His main areas of interest include vulnerability research and exploit development.

Jonathan Bar Or ("JBO") an information security expert and a hacker, focusing on binary analysis, vulnerability research, application security, reverse engineering, and cryptography.His research has uncovered critical vulnerabilities that have impacted millions of users worldwide, shaping security best practices across the industry.Frequently cited by major news outlets, his work has influenced both academia and industry, driving meaningful security improvements.

Mr Santarsieri is a founder partner at Vicxer where he utilizes his 16+ years of experience in the security industry, to bring top notch research into the ERP (SAP / Oracle) world.He is engaged in a daily effort to identify, analyze, exploit and mitigate vulnerabilities affecting ERP systems and business-critical applications, helping Vicxer's customers (Global Fortune-500 companies and defense contractors) to stay one step ahead of cyber-threats.Jordan has also discovered critical vulnerabilities in Oracle, IBM and SAP software, and is a frequent speaker at international security conferences such as Black-Hat, Insomnihack, YSTS, Auscert, Sec-T, Rootcon, NanoSec, Hacker Halted, OWASP US, Infosec in the city, Code Blue and Ekoparty.

Josh is an experienced malware analyst and reverse engineer and has a passion for sharing his knowledge with others. He is a reverse engineer with the FLARE team at Google, where he focuses on tackling the latest threats. Josh is an accomplished trainer, providing training at places such as Ring Zero, BlackHat, Defcon, Toorcon, Hack-In-The-Box, Suricon, and other public and private venues. Josh is also an author on Pluralsight, where he publishes content around malware analysis, reverse engineering, and other security related topics.

Louis Nyffenegger is an experienced speaker and trainer known for delivering high-impact talks on web security, vulnerability research, and security code review.Highlights include:Keynote Speaker at BSides Canberra Delivered the keynote “A journey to Mastery” sharing actionable strategies for building skills.DEF CON: multiple workshops and talks at DEFCON and villages on SAML, JWT and code reviewOWASP California: talk on JWTNumerous talks at meetups, private workshops and training sessions with top red teams, pentesters, and application security teams worldwide.Louis’s talks are known for blending technical depth with practical, experience-driven advice, helping attendees level up their security skills beyond checklists and automated tools.

Markus Vervier is a security researcher from Germany. Software security is his main focus of work. During the last 15 years he collected professional experience in offensive IT security working as a penetration tester and security consultant for highly regarded companies. His experience combined with his personal passion regarding security research made him start his own company in 2015. Besides his daily security work, he is very actively practicing security research and discovers high profile vulnerabilities regularly such as the recent libotr heap overwrite.

Two decades of cybersecurity experience including executive roles at Twitter, CoinList, Mozilla and OWASP. A co-founder and CEO of a venture backed cybersecurity startup (acquired) and an early stage investor finding and growing the next generation of amazing cybersecurity companies. Based in San Francisco.

My career has taken me through a diverse journey, spanning roles that include full-stack developer, business analyst, IT manager, and now thriving in cybersecurity. Throughout this journey, my deep passion for technology has remained a constant driving force. For me, security resembles solving a 10,000-piece puzzle that's been turned upside down. You understand the end goal, yet you're uncertain about where each piece belongs. Achieving this requires close collaboration with developers, business stakeholders, and others, necessitating me to consistently bridge different disciplines within technology. Whether it's simplifying intricate development concepts for security and business professionals or vice versa, every piece added brings us nearer to the solution. This challenge deeply motivates me. I approach my work with a clear focus on prioritizing people first, followed by refining processes, and then utilizing technology to enhance these efforts. This philosophy ensures that technological changes are seamlessly integrated and readily embraced by our teams and organizations.

Consulting company where are you at the universe for a few days and I think it was yours.

- **AWS Dev Day 2023**_E-2: Learning Security by Design from Anti-Patterns in Amazon S3, Amazon Cognito, and AWS Lambda_[Slide deck](https://www.docswell.com/s/a-zara-n/5248R9-devday)- **BSides Las Vegas 2024**_Are you content with our current attacks on Content-Type?_[Talk info](https://archive.bsideslv.org/2024/talks#PAPKRL) / [Slides](https://speakerdeck.com/flatt_security/are-you-content-with-our-current-attacks-on-content-type)- **BSides Tokyo 2024**_XSS using dirty Content-Type in the cloud era_[Talk info](https://bsides.tokyo/2024/#norihide-saito--azara) / [Slides](https://speakerdeck.com/flatt_security/xss-using-dirty-content-type-in-cloud-era)- **JSAC 2024 (JPCERT/CC)**_Introduction to Cloud Incident Investigation Through Architecture-Based Understanding_Hands-on workshop covering real-world unauthorized access cases in AWS and Azure.- **CODE BLUE 2024**_Beyond Misconfigurations: A Comprehensive Look at Threats in Object Storage like S3_[Program page](https://archive.codeblue.jp/2024/program/time-table/day1-opentalks-007/)

Over 12 years of experience in the security domain, specializing in Penetration Testing, Application Security, Cloud Security, Architecture and Forensics Investigation.Leading an Offensive Security (OffSec) team with a passion for Red Teaming and Security Research.Reported multiple vulnerabilities in products and applications, recognized with CVEsHolds prestigious certifications including GIAC Cloud Penetration Tester (GCPN), Offensive Security Certified Professional (OSCP), Offensive Security Wireless Professional (OSWP), Certified Red Team Operator (CRTO), among othersPresented at prominent conferences such as Bsides Budapest, Bsides Milano, Hacktivity, VulnCon 2024, Hacker Halted, CyberSec Asia, Identity Shield, Microsoft BlueHat 2025, PHDays 2025 and VulnCon 2025.

Orange Tsai is the principal security researcher of DEVCORE and a core member of CHROOT security group in Taiwan. He is also the champion and title holder of 'Master of Pwn' in Pwn2Own Vancouver 2021 and Toronto 2022. Additionally, Orange has spoken at several top hacking conferences, such as Black Hat USA (6 times), DEF CON (5 times), HITCON (12 times), CODE BLUE (6 times), POC, Hexacon, RomHack, HITB, and WooYun!Currently, Orange is a 0day researcher focusing on Web and Application Security. His research not only earned him the Pwnie Awards winner for "Best Server-Side Bug" in 2019 and 2021 but also secured 1st place in the "Top 10 Web Hacking Techniques" for 2017, 2018 and 2024. In his free time, Orange also engages in bug bounties. He is especially enthusiastic about RCE, successfully identifying critical RCEs across a broad range of vendors, including Twitter, Facebook, Uber, Apple, Netflix, Tesla, GitHub, Amazon, and more.

Pallavi is a Cloud Security Manager, overseeing cloud security operations and IAM, with 15 years of experience in cybersecurity. Passionate about application security, she excels in navigating complex security challenges, consistently working to strengthen defenses against emerging threats. With deep expertise in penetration testing, Pallavi focuses on identifying vulnerabilities and strengthening defenses in complex and challenging environments. She has spoken at multiple industry-leading conferences like HackerHalted, Vulncon, Identity Shield and BlueHat and continues sharing her knowledge and expertise in cybersecurity.

Patrick Ventuzelo is a senior security researcher, CEO & founder of Fuzzinglabs. After working for the French Ministry of Defense, he specialized in fuzzing, vulnerability research, and reverse engineering. Over the years, Patrick has created multiple fuzzers, found hundreds of bugs, and published various blog posts/videos/tools on topics like Rust, Go, Blockchain, WebAssembly, and Browser security. Patrick is a regular speaker and trainer at various security conferences around the globe, including BlackHat USA, OffensiveCon, REcon, RingZer0, PoC, ToorCon, hack.lu, NorthSec, SSTIC, and others.

Sr. Security Engineer @ Coupa Software . Passionate Learner for OffSec and Security Engineering. Working collaboratively with Security Operations , Security Engineering & Threat Management @ Coupa Software

I (@h4ckologic) am a cybersecurity researcher passionate about uncovering and addressing critical vulnerabilities in complex technology implementations. My work includes identifying and reporting issues to top tech companies like Apple, Google , Microsoft and many others, some of my CVES identified are Apple (CVE-2021-31001), PhantomJS (CVE-2019-17221), and NPM html-pdf (CVE-2019-15138). I’ve had the privilege of sharing my research at leading conferences, including NoNameCon, Ekoparty, and Hacktivity (2020); Hack in the Box and Romhack (2023); and HITB Bangkok and BSides Ahmedabad (2024). With a focus on practical solutions and deep technical insights, I’m dedicated to advancing security practices and contributing to the global infosec community.

I got into cybersecurity the messy, curious way - hacking games as a teenager to get extra coins and superpowers, then later reverse-engineering ransomwares to understand how they worked. That same curiosity and passion led me to a career in offensive cyber security.In the past 5+ years of work experience across India, UAE & USA, I’ve worked on:• Mobile application penetration testing (Android & iOS)• Web application and API penetration testing• Secure code review across C/C++, Python, Java, Golang, JavaScript, Typescript and C# .NET• Custom Signature Code Analysis (Semgrep, YARA & Coverity CodeXM custom checkers)• Adverserial tradecraft and Cyber threat intelligence• Network and infrastructure assessments with Segmentation penetration tests for cloud and on-prem setups• Software Composition Analysis (Coverity, Black Duck, GitHub Advisories, PlexTrac)• Innovative research & automated pentest tools development (AI, OSINT, Python, Bash script)Currently, I work as a Security Researcher at OnDefend, where I help secure user data of a large-scale social media platform & contribute to U.S. national security.🌟 Key Achievements:• Awarded the first-ever “Magical Mention” as an intern at Equinix for uncovering and reporting multiple critical security misconfigurations. Recognized for investigative persistence, curiosity, and successfully improving internal security workflows through proactive analysis and alerting.• Bug Bounty & Hall of Fame mentions: Tesco, IKEA, SecureLayer7 live hacking event, Accenture, Ericsson, Springer Nature, OSIsoft🔍CVE Research:• CVE-2020-11539 : Access control issue in Tata Sonata Smartwatch• CVE-2020-11540 : Access control issue in Tata Sonata Smartwatch• CVE-2020-25498 : Chained CSRF & Stored XSS vulnerabilities in Beetel router• CVE-2020-35262 : Stored XSS vulnerability in Digisol router👾 Outside of work, I’m always exploring new tools, ways to use AI as leverage in security, hacking techniques & trying to level up. I love building my own custom IoT devices as well as hacking them.🧑‍🤝‍🧑As an active member of 'Women in Cybersecurity', 'Women in Security & Privacy' and 'The Diana Initiative' volunteer at Defcon, I’m also passionate about making cyber security more inclusive and human, especially for women and underrepresented voices.

ISACA Cybersecurity ConferenceDelivered an insightful session on Zero Trust Security, breaking down its practical implementation and its role in modern cyber defense architecture. His talk was well-received by industry professionals and highlighted the evolving nature of perimeter-less security models.CIO News Cybersecurity ForumPresented on the integration of offensive and defensive security practices, emphasizing collaboration over siloed efforts. His impactful delivery earned him an on-the-spot award for excellence in thought leadership and practical insight.Crypto Expo DubaiTook the stage at one of the largest blockchain and cryptocurrency platforms in Dubai, where he delivered a high-impact talk on “Hacking Crypto Wallets”. The session provided deep dives into real-world attack vectors and preventive mechanisms, drawing significant attention from global fintech and blockchain professionals.

I spoke at CONFidence 2025, one of the most established infosec conferences in Central Europe. My talk focused on advanced API authorization vulnerabilities and practical exploitation techniques, drawing from real-world engagements. I’ve compressed years of pentesting and secure code review experience into research-driven content and I’m eager to bring more of that to the stage.

For the world is an exciting place, for creating stuff from nothing is challenging, for hacking everything is the way to live, stay hungry, stay curious, and keep hacking. For the world is an exciting place, for creating stuff from nothing is challenging, for hacking everything is the way to live, stay hungry, stay curious, and keep hacking.

Producer at KazHackStan Conference and Managing Partner at TSARKA GROUP