Source: https://tendernation.io/opportunities/01a13bd9-3b4f-71be-b4df-f66e1861b50a/cyber-security-support-services

awarded GB negotiated without publication procedure

# Cyber Security Support Services

[Moyle Interconnector Limited](https://tendernation.io/buyers/moyle-interconnector-limited)

Estimated value

Not stated

Published

11 Jun 2026

Deadline

Rolling deadline

## About this tender

Moyle Interconnector Limited ("Moyle") currently contracts with Siemens Energy Limited ("Siemens") to provide Long Term Maintenance Agreement ("LTMA") services for their two convertor station sites in Northern Ireland and Scotland, which were originally designed, constructed and commissioned by Siemens The Cyber Security Support Services ("CSSS") are required to enhance the cyber security of the Moyle control system. The control system directly operates the converter valves

and associated equipment and is therefore critical to the safe and reliable operation of the interconnector. The CSSS will provide enhanced cyber security protections to reduce the likelihood and

potential impact of cyber security incidents affecting the control system. The services will also support Moyle in fulfilling its obligations as an Operator of Essential Services under the NIS Regulations. It is proposed to extend the scope of services provided under the existing LTMA contract to include the CSSS and the justification for this is outlined in the sections below.

## CPV classification

IT services: consulting, software development, Internet and support

Source

Find a Tender (UK) · Notice ocds-h6vhtk-0670b4-2026-06-11T11:35:47+01:00

[View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-0670b4-2026-06-11T11:35:47+01:00)

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