Nik Alleyne

Assistant Professor

Director of Business Development at Sirius Computer Solutions

Specialities

Cyber Defense

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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“
Nik has been a great instructor to have. He explained the course content clearly and was always ready to answer any questions. I would love to have Nik as my instructor for any other class that I take. ”
Zain QureshiSEC503 Student
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“
Nik was an excellent instructor. His explanations were clear, and he made complex topics easier to understand. He was supportive and provided helpful feedback, which made the course even more effective and enjoyable.”
Haya BinghaithAl Rajhi Bank
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“
Nik has been a great instructor throughout the course! His explanations are clear, his demos are instructive, and the resources he provides make the live learning experience incredibly valuable.”
Kathleen Hablutzel Bank of America