Cybersecurity Policy Report, U.K.’s NCSC Offers Advice on Cyber Resilience, (Oct 8, 2025)
The United Kingdom’s National Cyber Security Centre (NCSC) has published advice on how organizations can enhance their ability to detect and discover cyber threats.
The NCSC said in a blog post that it found significant variations in organizations’ abilities to monitor their systems and proactively hunt for threats. It urged organizations and their external providers to “develop and/or optimize both their observability and threat hunting capabilities, and set out how they can achieve this.”
The NCSC recommends that organizations maximize their network visibility as well as their ability to query across combined data sets. Organizations and their technology vendors should follow the NCSC’s guidance on how to build systems that support better monitoring and investigation, it said.
NCSC also recommends that organizations should not be limited to indicators of compromise (IOCs) such as IP addresses, domain names, and file hashes “because they’re easy to use and widely supported by security tools.”
Organizations should go beyond IOCs and develop the use of tactics, techniques, and procedures (TTPs) to ensure resilient operations as TTPs “provide deeper insights into attacker behavior, are less fragile, and support proactive threat hunting and long-term cyber defense strategies,” the NCSC said.
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