Elias Coll Martín is an experienced cybersecurity professional currently serving as a SIEM Engineer at Telefónica Tech since June 2024. Previously, Elias held a similar position at Proficio, focusing on SIEM content development for Elastic and Arcsight platforms. From July 2022 to June 2023, Elias worked as a Security Solution Developer at Atalanta | Cybersecurity & Digital, deploying SIEM infrastructure using open-source security analysis tools. Additional experience includes a junior cybersecurity engineering role at Indra, where Elias followed Common Criteria methodology and performed system hardening, and an internship at Wazuh, Inc. in IT security, contributing to the development of SIEM rules and improving security assessment tools. Elias holds a Master's degree in Cybersecurity and a Bachelor's degree in Telecommunications Engineering from the Universidad de Granada.