prj_6431 - Cable Landing Station Security Guidance

DSIT · awarded 17 March 2026

Who

Buyer	DSIT London
Supplier	LEADING MANAGEMENT SERVICES LTD T/A LMS Security
Category	services
Classification	Research services CPV 73110000
Notice published	26 March 2026

What it is for

Undersea cables carry 99%+ of the UK's international internet traffic. These high-capacity data flows underpin the UK's digital economy, national security, and global communications. Cable landing stations (CLS) are a critical part of the UK's subsea telecommunication cable network, acting as the physical interface between undersea cables and terrestrial infrastructure. Due to their strategic importance, CLS are high-value targets for both physical and cyber threats. The Government is committed to strengthening the security of UK cable landing stations. To support this work, we intend to commission an accredited security consultancy to produce security guidance for CLS operators. This work will be jointly overseen by DSIT, the National Cyber Security Centre (NCSC) and the National Protective Security Authority (NPSA).

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