Stephen Ajayi
Ajayi Stephen is a seasoned Offensive Security and Blockchain Security Specialist with deep expertise in penetration testing, decentralized application (dApp) audits, cryptography, and AI security. Based in London, he has led high-impact security initiatives across traditional and blockchain environments, delivering end-to-end audits, secure architecture reviews, red team operations, and threat modeling across cloud platforms and smart contract ecosystems.
Session
As large language models (LLMs) rapidly integrate into critical systems, securing them against emerging threats is essential. In this session, we will explores real-world vulnerabilities—including prompt injection, data poisoning, model hallucination, and adversarial attacks—and shares practical defense strategies. Attendees will learn how to build effective threat models, apply secure-by-default