Alejandro Rueda Romero

Alejandro Rueda Romero is a seasoned professional in the field of cybersecurity, currently serving as a collaborator at Sec2Crime since May 2021, focusing on article writing and research. In addition, Alejandro holds a position as an independent professor at Universidad de Castilla-La Mancha since May 2023. Prior experience includes working as an Application Security Engineer at Nexthink from June 2022 to August 2025, where responsibilities involved identifying security issues and developing mitigation plans. Alejandro co-founded VANTHene, serving as CTO from May 2020 to May 2023, concentrating on research and web and mobile pentesting. Furthermore, experience at Deloitte España as a Senior Application Security Analyst spanned from November 2017 to December 2022, with a focus on identifying security vulnerabilities across various applications, complemented by earlier experience as a Level 1 Operator providing 24x7 incident response for cybersecurity issues.