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Nik Alleyne

Principal InstructorDirector of Business Development at Sirius Computer Solutions

Specialities

Cyber Defense

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Nik Alleyne

About Nik Alleyne

Every defender has faced that moment when the alerts won’t stop and answers feel out of reach. Nik Alleyne helps them cut through the noise, teaching practitioners how to transform data into understanding and pressure into precision. A SANS Principal Instructor, Nik teaches SANS SEC503: Network Monitoring and Threat Detection In-Depth, SANS SEC504: Hacker Tools, Techniques, Exploits, and Incident Handling, and SANS SEC595: Applied Data Science and AI/Machine Learning for Cyber Security Professionals. He also serves as Head of Managed Security Services at a leading managed security service provider (MSSP), where he leads global teams applying automation and AI to strengthen detection and response. His mission is simple: help defenders see deeper, think smarter, and respond faster.

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