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Speaker at Bsides Kochi, BIOS meetup, SlashN and various other conferences.

Ailin Castellucci’s speaking experience spans key cybersecurity communities and public forums across Latin America, where she delivers both technical workshops and high-level talks focused on practical, real-world security.She has been part of conference lineups such as NotPinkCon, where she presented “Cyber-Operation,” exploring cybersecurity and cyber conflict concepts in an accessible, audience-friendly way.At Congreso AGETIC 2023 (Bolivia), she led a hands-on workshop, “Threat Modeling in a Nutshell,” designed to help teams apply threat modeling methodologies in practice—covering strengths, real-life use, and the human challenges organizations face when implementing these practices. In the same event, she was also listed as a keynote speaker with “Avengers, assemble! – Seguridad colaborativa,” reinforcing her emphasis on collaborative security approaches.She has also spoken at the “Cibercrisis” conference series by Sombreros Blancos, where she presented a talk titled “Roses are red, violets are blue… there’s a spy in your net and she’s behind you!”, bringing an engaging, story-driven angle to security awareness and adversarial thinking.Beyond large events, Ailin frequently speaks in community and online formats—such as Discord sessions—on topics like “Seguridad Colaborativa,” aiming to bridge the gap between security best practices and what teams can realistically implement.Overall, her speaking style blends practitioner experience (offensive security, bug bounty, and security teams) with clear frameworks and actionable guidance, making her talks useful for both newcomers and experienced professionals.

Alon Friedman is a Principal Security Architect at Microsoft 365 Defender, with extensive experience in application security and penetration testing. He focuses on defining application security standards and researching threat landscapes. His background includes leading secure software development at Salesforce and managing application vulnerabilities at PayPal. Alon is a recognized researcher, credited with CVE-2014-4246 and the creation of the SCIP OWASP ZAP extension

Andreas Wiegenstein is engaged in SAP cyber security since 2003. He discovered quite a number of zero-day vulnerabilities in SAP software and supported development of a market leading static code analysis tool for the business programming language ABAP. He has spoken at more than 70 conferences world-wide about SAP security, including Black Hat, DeepSec, Hack In The Box, IT Defense, RSA, SAP TechEd and Troopers (alphabetical order). His current research is focused on SAP malware and supply chain attacks.

Chi-en “Ashley” Shen is a Security Research Engineering Technical Leader at Cisco Talos, specializing in emerging threat research—ranging from nation-state attacks to financially motivated crimes and spyware campaigns. Before joining Cisco, she worked at Google’s Threat Analysis Group, where she hunted zero-day exploits and tracked botnets. Prior to that, she was part of Mandiant’s Global Research Team, where she co-authored the APT41 report and published research on ICEFOG campaigns. In Taiwan, Ashley co-founded Team T5 and served as a senior threat analyst with a focus on targeted attacks in APAC. A passionate advocate for women in cybersecurity, Ashley co-founded HITCON GIRLS, the first security community for women in Taiwan, and she currently organizes Rhacklette, a security community for FINTA in Switzerland. She has presented her research at a range of conferences, including Black Hat, HITB, HITCON, FIRST, Pivotcon and CODE BLUE. In her free time, she supports the community by offering training sessions and serving on the review boards for Black Hat, HITCON, and HITB.

EXPERTISE:- Experienced Cyber Security with a demonstrated history of working in the several industry. Skilled in Penetration testing, XDR, EDR, DFIR, Threat Hunting, and OSINT.- Advanced Ethical Hacking:Proficient in various hacking methodologies, including but not limited to network penetration testing, (web, API, Infra, mobile) application testing, wireless network exploitation, and social engineering.- Deep Knowledge of Security Frameworks: Expertise in industry- standard security frameworks such as OWASP, NIST, and PTES, with the ability to apply their guidelines effectively

Catalyst 💜 | Architect of Calm in Chaos | Secure-By-Design Advocate | Cloud Security, Responsible AI & Digital Trust | Researcher | Community Builder | #DTalk

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.

Evangelos Bitsikas is a Doctoral Security Researcher at Northeastern University and a Google PhD Fellow in Cybersecurity. He specializes in wireless security, with an emphasis on cellular networks (LTE/5G), adversarial attacks against cellular infrastructure, and mission-critical networking for autonomous systems, including 5G-enabled drones and vehicles.Evangelos has trained extensively across offensive and defensive security, including network monitoring and incident response exercises, as well as hands-on exploitation and penetration-testing labs. He currently holds advanced security certifications, including CASP+ and CISSP, and speaks on topics at the intersection of wireless systems, real-world security testing, and resilient network design.

I spoke at about a dozen conferences so far, mostly always about Software Supply Chain Security / Application Security. I am a regular guest on several podcasts on the same topic as well. I spoke in front of small (a few dozen) and large audiences (several hundreds) both locally and internationally (North America and Western Europe). I spoke at BlackHat SecTor, OWASP Global AppSec, NorthSec, Linux Foundation's OpenSSF event, Munich Cyber TTP, etc.

Dr. Gregory Carpenter is Principal Partner at CW PENSEC and a retired U.S. Army officer with over two decades of operational experience spanning intelligence, counterintelligence, electronic warfare, deception, and security testing. He previously served in senior roles across joint and interagency environments and was recognized as NSA Operations Officer of the Year for his work in advanced operational analysis and mission execution.Dr. Carpenter’s professional focus centers on adversary modeling and the failure modes of trust, identity, and attribution under adaptive threat pressure. His work examines how emerging technologies—including cyber-physical systems, in vivo and nano-scale technologies, automation, and information operations—alter attacker behavior and invalidate long-standing defensive assumptions. He has led and advised offensive and defensive programs across cyber, information, and electronic warfare domains, with particular emphasis on how identity collapses when human operators are no longer stable or external to the systems they access.At conferences and in research settings, Dr. Carpenter translates complex adversary behavior into practical defensive insight, emphasizing how organizations must redesign identity, access control, and trust models for environments where compromise is expected rather than exceptional. He has presented at DEF CON’s Misinformation Village (2023), Adversary Village (2025), and the DEF CON Creator Stage (2024, 2025).

Jan de Vries is a senior trainer, business IT consultant, coach, researcher and public speaker in the fields of Agile, DevOps, Business Information Management, Service Management, Antifragility and Strategy Development.He (co-)founded:- BlueOceanRecon.com to facilitate the development of Blue Oceans and Lean Startups.- Antifragility.works to conduct research on the practical application of antifragility in organisations.- GRCinAgile to explore common ground between Agile/DevOps teams and Governance, Risk & Compliance.

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.

BSides BarodaBSides MumbaiMitre APACBluehat IndiaVulnconIdentity Shield Summit Cloud identity summit Germany

Jyoti Raval serves as Director of Cyber Security Engineering at Baker Hughes, where Jyoti is responsible for ensuring end-to-end product security and actively contributes across multiple phases of the security lifecycle. Jyoti is the author of Phishing Simulation and MPT tools, and has delivered presentations at leading security conferences, including InfosecGirls, Nullcon, DEF CON 27, Black Hat Asia, HITB Singapore, OWASP New Zealand, Shecurity, DEF CON 32, and Black Hat London. Additionally, Jyoti leads the OWASP Pune Chapter.

Talks within my organisationTech Talks: I have delivered over 10 internal technical presentations tailored to a wide range of audiences across multiple product development disciplines within my organisation(netskope).Hybrid Engagement: These sessions were conducted through both face-to-face and online formats, allowing me to interact with a significant number of colleagues and refine my ability to communicate complex technical topics to diverse teams.Knowledge Transfer: Beyond formal talks, I have led dedicated mentoring sessions and deep-dive technical walkthroughs to help ramp up team members on specialized security research.External Industry RecognitionBlackHat Europe (Arsenal): I was selected to present my research and open-source tool, IOCTL Hammer, at BlackHat Europe.Expert Engagement: This experience involved presenting to an international audience of cybersecurity experts, where I successfully managed high-traffic live interactions at the Arsenal booth.Communication Mastery: Preparing for and executing this talk helped me hone my skills in articulating the technical value and novelty of my work to an external, expert-level audience.

Over 14 years of experience in the security domain, specializing in Penetration Testing, Application Security, Cloud Security, Architecture and Forensics Investigation.Leading an Offensive Security (OffSec) and Security Architecture 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, VulnCon 2025, OWASP AppSec Days 2025, Hacker Halted 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.

Vinod has spent the past decade working in cybersecurity across financial services, government, and tech sectors. Currently a Staff Security Engineer at PIP Labs, he navigates the intersection of traditional enterprise security and the emerging world of Web3 and blockchain infrastructure.His journey has taken him through companies like Amazon, Zapier, and HackerOne, where he's gained hands-on experience in penetration testing, cloud security architecture, and application security. He works with AWS, GCP, and Azure environments, focusing on threat modeling and secure DevOps practices while approaching security as an enabler rather than a blocker.He shares his experiences and lessons learned through writing on Medium, breaking down complex security topics and exploring practical approaches to building security programs that work in real-world environments. Outside of his day job, he participates in bug bounty programs, mentors aspiring security professionals, and continues researching emerging threats and technologies in both traditional and Web3 security landscapes.

Xiaokun Huang is a security specialist with over six years of hands-on experience in threat detection, security operations, and AI-driven security innovation. He is a member of the Alibaba Cloud Security Team, where he focuses on designing and implementing robust strategies to mitigate emerging cyber threats at scale.Xiaokun is actively exploring the application of artificial intelligence in threat detection and security analysis, with the intention of building brilliant and automated security frameworks. He previously spoke at Black Hat Asia 2020, sharing his research and practical insights with the global security community.Passionate about staying at the forefront of cybersecurity innovation, Xiaokun is committed to advancing modern security defenses and collaborating with professionals dedicated to protecting the digital world.