Brian Rossmeisl

Brian Rossmeisl is a seasoned cybersecurity professional currently serving as Principal Cybersecurity at AT&T since August 2025. In this role, responsibilities include creating and implementing best practices for security policies, integrating applications with identity providers for single sign-on (SSO), and developing tailored alerts and reports for stakeholders. Brian's previous experience includes roles such as Consulting F5 Enterprise Architect at Eliassen Group, Senior Solutions Architect at Kudelski Security, and various engineering positions at Visa and Lowe's Companies. Expertise spans across F5 implementation, cloud security architecture, app security optimization, and incident response, showcasing a strong background in enhancing security operations and infrastructure.