Chief Executive Officer
William Koester
William Koester brings over 15 years of cyber security experience, including experience with Sourcefire and Cisco. He holds a master's degree in software engineering from Towson University and is from Baltimore, Maryland.
At Castle Cyber Security Intelligence Feeds, William leads a practical, evidence-led approach to cyber threat intelligence—helping IT and security teams understand what matched, why it matters, and how to assess the available context.
Back to AboutCyber securityOver 15 years of experience
Industry experienceSourcefire and Cisco
EducationMaster's degree in software engineering, Towson University
HometownBaltimore, Maryland