Jessica Entwistle
July 3 2026
The National Cyber Security Centre (NCSC) has released insights from industry penetration testers on how to bolster the resilience of the UK's critical national infrastructure (CNI). The blog, published by NCSC UK, outlines key strategies such as improving network segmentation, enhancing incident response capabilities, and prioritising regular security assessments to mitigate risks.
For UK businesses, particularly those in sectors like energy, transport, and healthcare, these insights are crucial. CNI is a prime target for cyber threats, and a breach can have severe operational impacts, affecting service delivery and public safety. Implementing the recommended measures can significantly reduce risk exposure and enhance operational continuity.
Organisations should assess their current security frameworks and ensure they align with the latest NCSC guidance. This includes reviewing incident response plans, conducting regular penetration tests, and investing in staff training to enhance security awareness. By doing so, businesses can better protect their critical assets and maintain resilience against evolving threats.
Source: NCSC UK