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

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Incident affecting ASOS customers

Some ASOS customers received an unauthorised push notification from ASOS on Tuesday 6th October. The company is investigating the unauthorised activity and has stated that personal information ...
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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.
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Disruptive cyber attacks – reducing their impact, reducing the risk

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Disruptive cyber attacks – reducing their impact, reducing the risk

Practical steps to make it harder for attackers to gain access, spread through your systems and cause disruption. Highly disruptive cyber attacks, such as ransomware, can prevent organisations from ...
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Introduction to Active Cyber Defence

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