We've curated 4 cybersecurity statistics about nationally significant incidents to help you understand how large-scale threats impact critical infrastructure and government systems in 2025. Discover the trends and practices shaping our national security landscape!
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Nationally (UK) significant incidents represented 48% (204) of all incidents between September 2024 and August 2025, a significant increase from last year (89).
There were 62 nationally (UK) significant incidents reported between September 2022 and August 2023, 4 of which were categorised as highly significant in nature.
There were 63 nationally (UK) significant incidents reported between September 2021 and August 2022, 1 of which were categorised as highly significant in nature.
Among this year's nationally significant incidents in the UK, 4% (18) were categorised as highly significant in nature.