Sean O'Sullivan, MCIIS
Login to view DISC.Sean OSullivan is a Cyber Security Manager at AESC UK with 19 years of experience, specializing in security frameworks like ISO 27001 and leading vulnerability management programs. Described by colleagues as dedicated, knowledgeable, and collaborative, he is a Full Member of the Chartered Institute of Information Security (CIISEC).
Beyond his cybersecurity career, Sean is a writer, hobbyist developer, and a trained Mental Health First Aider. He lives in the North East of England with his wife and two children, and enjoys good coffee, writing, and developing his own applications, including Centro 365 and Markdown Clips.
In addition to his main cyber security role, Sean develops and maintains Centro 365, a popular browser extension and mobile app for managing Microsoft 365.
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