National Cyber Security Centre

Critical security issue affecting PHP

Updated: The NCSC is encouraging UK organisations to take immediate action to mitigate a security issue affecting PHP ...
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Disruptive cyber attacks – reducing their impact, reducing the risk

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Introducing a new AI chapter in the NCSC research problem book

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Post-quantum updates to our TLS guidance

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The NCSC research problem book

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China-linked malicious actors called out by UK and international partners for targeting sensitive data globally

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Exploitation of vulnerabilities affecting Citrix NetScaler ADC and Citrix NetScaler Gateway

The NCSC is urging UK organisations to promptly mitigate vulnerabilities affecting Citrix NetScaler ADC and Gateway, two of which are being actively exploited.