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Showing 11 speakers matching your filters
Founding Director and Principal Investigator at Pwnshow, and CEO at Zeronomicon
Rome, Italy
Alfonso De Gregorio is a globally recognised cybersecurity technologist, Founding Director and Principal Investigator at Pwnshow, and CEO at Zeronomicon, Italy. He is a featured speaker at 25+ peer-reviewed international events across 5 continents, such as NATO's Conference on Cyber Conflict, RSA Conference, and the leading hacker conferences. His work focuses on the intersection of artificial intelligence, cyber threats, and regulatory landscapes. High-performance organisations engage him to spearhead relentless innovation across disciplines and fields, accelerate asymmetric advantage, and achieve peak confidence in today's interconnected operational environment—establishing Alfonso as a key figure shaping the discussion and practice of cybersecurity.
Global Advisory CISO
1Password
Toronto, Canada
Dave has 30 years of industry experience. He has extensive experience in IT security operations and management. Dave is the Global Advisory CISO for 1Password. He is the founder of the security site Liquidmatrix Security Digest & podcast. Dave also hosts the Chasing Entropy Podcast. He was a member of the board of directors for BSides Las Vegas for 8 years. He currently serves on the advisory boards of Byos.io and Knostic.ai. Dave has previously worked in critical infrastructure for 9 years as well as for companies such as Duo Security, Akamai, Cisco, AMD and IBM. Previously he served on the board of directors for (ISC)2 as well as being a founder of the BSides Toronto conference. Dave was a DEF CON speaker operations goon for 13 years. Lewis also serves on the advisory boards for the Black Hat Sector Security Conference in Canada, and the CFP review board for 44CON in the UK. Dave has previously written columns for Forbes, CSO Online, Huffington Post, The Daily Swig and others. For fun he is a curator of small mammals (his kids) plays bass guitar, grills, is part owner of a whisky distillery and a soccer team.
Independent Researcher
Embrace The Red
Seattle, WA
Johann Rehberger has over twenty years of experience in threat modeling, risk management, penetration testing, and red teaming. During his tenure at Microsoft, Johann established a Red Team within Azure Data and led the program as Principal Security Engineering Manager. He went on to build a Red Team at Uber, and currently serves as Red Team Director at Electronic Arts. In addition to his industry roles, Johann is an active security researcher and a former instructor in ethical hacking at the University of Washington. Johann contributed to the MITRE ATT&CK and ATLAS frameworks and is the author of "Cybersecurity Attacks - Red Team Strategies". He holds a master's degree in computer security from the University of Liverpool. You can find his latest research at embracethered.com.
Lead Security Engineer
Coupa Software
Pune
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.
Cloud Security Manager
Coupa
PUNE
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.
CEO
Fuzzinglabs
Paris,France
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
Pune, India
Sr. Security Engineer @ Coupa Software . Passionate Learner for OffSec and Security Engineering. Working collaboratively with Security Operations , Security Engineering & Threat Management @ Coupa Software
Cyber Security Engineer
Ricerca Security, Inc.
Tokyo, Japan
Cybersecurity Enthusiast, CTF Player and Bug Hunter. Contributed to the organization of SECCON CTF, took the stage at AVTOKYO2020/2023/2024, Security Analyst Summit 2024, Hack Fes. 2024, m0leCon 2025, TyphoonCon Seoul 2025, HITCON 2025 and competed in the DEF CON CTF Finals. Renowned for uncovering and reporting vulnerabilities in web services and softwares including Google and Firefox.
Washington DC, USA
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.
Head of Cybersecurity
Ryt Bank
Malaysia
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.
Security Reseracher
BharatGen, IIT-B
Chandigarh,India
Vishal Chand is a cybersecurity researcher at BharatGen, IIT Bombay, specializing in AI-driven threat defense and generative AI security. As an author and Red Team contributor at OWASP AI Exchange, he works on adversarial robustness, model exploitation, and AI red teaming frameworks. His research focuses on offensive AI, malware analysis on Windows and macOS, and AI-powered threat detection. Vishal has presented at Microsofts BlueHat Asia, BSides Ahmedabad, BSides Bangalore, BSides Mumbai, and FOSS Mumbai.