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Office of Cyber Security and Information Assurance

Head Office

2nd Floor

Former Lower Douglas Police Station

Fort Street


Isle of Man



General Enquiries: +44 1624 685557 Public Reporting: +44 1624 686060


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The Office of Cyber-Security & Information Assurance (OCSIA) was established by a Council of Ministers Directive in October 2017.

Situated within the Department of Home Affairs, OCSIA acts as the focal point in developing the Island’s cyber resilience, working in partnership with private and third sector organisations across the Island alongside the wider population

OCSIA is also tasked with supporting the Island’s Critical National Infrastructure (CNI) sectors in assuming accountability for securing their systems and services to mitigate the risk of incidents impacting the essential services of the Island.

Work will ensure that departments, boards, offices and other public authorities can deter and defend against cybercrime by maintaining and sharing information. OCSIA will provide advice and guidance to ensure that all government entities are operating at an appropriate level of cyber security and support the wider all-Government response to a cyber-incident.

Additionally, in support of government compliance with the Data Protection Act 2018 and the Freedom of Information Act 2015, OCSIA actively assists government agencies in understanding and aligning with the requirements of the Acts (and the associated GDPR and LED Implementing Regulations), collaborating closely with the Information Commissioner's Office.

In October 2023, we formally launched the Cyber Security Centre for the Isle of Man (CSC), which is our public-facing body providing advice, guidance, and practical support to Island residents and businesses. As a part of OCSIA, the CSC operates in the public sphere, while OCSIA focuses on Information assurance within Government.

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