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UK Enhances Protections for Subsea Cables Amid Rising Russian Threats

ID: 2f8c8c2e-5368-5ccc-992a-c63ec22593e1

STIX ID: report--2f8c8c2e-5368-5ccc-992a-c63ec22593e1

Feed Name: ThreatCluster

Threat Score
78/100

Date Published: 2026-05-29

Date Updated: 2026-06-03

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The UK is strengthening protections for subsea internet cables after intelligence revealed covert Russian submarine activity near critical undersea infrastructure; proposed measures include tougher penalties for damaging cables, new security obligations for operators, emergency powers, and consideration of a British-flagged repair ship to reduce outages and deter sabotage.

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