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UK NIS Regulations 2018: timeline of key developments, consultations, guidance and proposed reforms via the Cyber Security and Resilience (Network and Information Systems) Bill (2013–2026)

Practice notes
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This timeline outlines significant milestones and material concerning the UK’s Network and Information Systems Regulations 2018 (NIS Regulations), SI 2018/506, and covers proposals to amend them by way of the Cyber Security and Resilience (Network and Information Systems) Bill laid before Parliament in November 2025. It brings together strategies, consultations, progress updates, reform suggestions, plus commentary and guidance from various organisations on these developments. For further detail, see Practice Note: The Network and Information Systems Regulations 2018.

Key developments

27 March 2026 — Ofgem. DESNZ and Ofgem opened a consultation seeking input on plans to recast cyber resilience regulation for downstream gas and electricity operators across Great Britain, reflecting the evolving energy system, Clean Power 2030, and a heightened cyber security threat. Proposals cover: setting baseline cyber resilience obligations for all Ofgem licensees via licence conditions, using Cyber Essentials or Cyber Essentials Plus as an initial benchmark; reassessing the scope of the NIS Regulations by updating essential services and designation thresholds; examining whether further downstream gas and electricity services ought to fall within the NIS Regulations; and soliciting views on the possible...

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Web page updated on 29/05/2026

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