Christopher Castloo is a seasoned cybersecurity professional currently serving as a Principal Cybersecurity Engineer & Researcher at The Cigna Group since December 2023, where responsibilities include managing unconventional security challenges and strategizing cybersecurity operations. Prior to this role, Christopher held the position of Senior Security Engineer at Express Scripts, focusing on email hygiene, web application firewalls, threat monitoring, and integrating machine learning into threat analytics. Experience at Centene Corporation involved production support for diverse security solutions and automation engineering, contributing to secure project lifecycles and compliance with Department of Defense standards. Earlier roles at CenturyLink Technology Solutions and Goedeker's showcased expertise in enterprise application support, system architecture, and network security. Christopher earned a Bachelor of Science in IT from Lindenwood University in 2012.
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