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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.

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.

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.

I'm Hrishikesh Somchatwar, a Storyteller, Electronics Hacker, and Bestselling Author based in France.🔗 Connect With Me: Email: hrishikeshsom@gmail.com LinkedIn: linkedin.com/in/hrishikesh-somchatwar/📖 Publications: "Exploitation of Embedded Systems" – Presented at Car Hacking Village "Hacking with Physics" – Showcased at HackFest Canada 2021 "Car Hacking Village" – Authored publication🎙️ Speaker & Trainer:I've had the privilege of speaking and providing training at esteemed cybersecurity conferences, including: DeepSec Austria SCSA Georgia SecurityFest Sweden Defcamp Romania (2019, 2023) Bsides Ahmedabad Bsides Delhi c0c0n HackFest CanadaKey Topics: Automotive Cybersecurity Hardware Security IoT Security Car hacking techniques Tools for embedded system exploitation📚 Author:As the bestselling author of "Hacking the Physical World", my book topped Amazon charts in the USA and India.🎧 Podcast:Check out "The Storytelling Hacker", where I blend storytelling with electronics hacking. Available on: Spotify Apple Podcasts Google Podcasts💼 Professional Journey: Valeo: Worked on cutting-edge automotive cybersecurity solutions and advanced hardware technologies. Security Researcher: Contributed to NDA-protected projects at a confidential company in Maharashtra, India. Hardware Security Intern: Played a pivotal role in a cybersecurity startup, conducting security testing on: Cars IoT devices PLCs SCADA systems

Kirils Solovjovs is Latvia's leading white-hat hacker and IT policy activist, renowned for uncovering and responsibly disclosing critical security vulnerabilities in both national and international systems. Kirils started programming at age 7 and by grade 9 was spending his lunch breaks writing machine code directly in a hex editor.With deep expertise in network flow analysis, reverse engineering, social engineering, and penetration testing, he has significantly contributed to cybersecurity advancements. Notably, Kirils developed the jailbreak tool for MikroTik RouterOS and played a pivotal role in creating e-Saeima, enabling the Latvian Parliament to conduct a fully remote legislative process, the first of its kind globally.He currently serves as the lead researcher at Possible Security and as a research assistant at the Institute of Electronics and Computer Science.

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.

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.

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.

Pengfei is a Solution Architect at Picus Security, where he advise enterprise security teams in implementing automated adversary simulation operations and framework.Previously, he worked as a Cybersecurity Engineer in GovTech's GCSOC team, where he led the implementation of continuous purple teaming across the Whole-of-Government. Before this role, he served on GovTech's red team, mainly dabbling in VAPT and Adversary Simulation.Pengfei is certified with OSCP, eMAPT, Crest CRT, CCSK V4, etc. He has conducted research on emerging cybersecurity technologies and presented his findings at renowned conferences like Black Hat USA & Asia, DEFCON, SINCON, ROOTCON, etc.

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'm a security researcher with a passion for OS internals and all things low-level. Over the years I have specialised in Android & the Linux kernel, but have dabbled in a number of domains. When I'm not figuring out how things work and breaking them, I love to share my experiences and help others; whether it's via my blog, talks or mentoring.

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.

Sergey has over 20 years of experience in software and hardware development and reverse engineering. He began learning programming and the basics of reverse engineering at the age of 12, and started his career at Kaspersky Lab as a malware analyst at the age of 18. Over his long tenure at the company, he has made significant contributions to a wide variety of projects. Being an university lecturer, he shares his knowledge with the next generation of security engineers and researchers.

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.