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75% of Cyber Attacks on UK Infrastructure Linked to Hostile States, NCSC Reports

ID: 2cbdcb04-bb85-5065-ab58-5506a0b74ae0

STIX ID: report--2cbdcb04-bb85-5065-ab58-5506a0b74ae0

Feed Name: ThreatCluster

Threat Score
85/100

Date Published: 2026-06-17

Date Updated: 2026-06-18

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The UK's National Cyber Security Centre (NCSC) reported that 75% of over 200 cyber incidents affecting critical national infrastructure between June 2025 and May 2026 were attributed to hostile state actors (including Russia, China, and Iran). The NCSC warns that advances in AI may escalate attacks by 2028—particularly against legacy systems—and urges immediate, cross-sector action to strengthen defenses and resilience.

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