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Putin sends submarines to survey Britain's subsea cables. UK deploys Royal Navy, mobilizes parliamentary draftsmen

ID: a175ff1d-7dfe-5581-93e6-8d4b1f82c183

STIX ID: report--a175ff1d-7dfe-5581-93e6-8d4b1f82c183

Feed Name: The Register (Security)

Threat Score
75/100

Date Published: 2026-06-01

Date Updated: 2026-06-01

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The UK government is proposing stronger protections for subsea internet cables after Royal Navy and RAF tracking reportedly detected Russian submarines and GUGI survey vessels mapping British cable routes; measures under consideration include tougher penalties for damage, operator security obligations, emergency powers, and investment in uncrewed maritime sensors and AUKUS underwater capabilities.

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