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Follow security news from the UK NCSC and Microsoft Security, with dates and links to the original articles.
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Updates from the UK National Cyber Security Centre and Microsoft Security. Read the original source for the full story.
Feeds last checked 5 Nov 2026, 10:57.
Microsoft named a Leader in the 2026 Gartner® Magic Quadrant™ for AI Agent Management Platforms (opens in a new tab)
Read original article ↗ (opens in a new tab)Cyber chief: UK facing AI-powered attacks on critical infrastructure within two years (opens in a new tab)
Read original article ↗ (opens in a new tab)What exploited vulnerabilities have in common: A data-driven analysis of real-world attacks (opens in a new tab)
Read original article ↗ (opens in a new tab)Inside a malicious Claude Code-branded extension and its persistent SSH backdoor (opens in a new tab)
Read original article ↗ (opens in a new tab)From help desk impersonation to AD CS abuse: Investigating ESC1 and ESC8 intrusion paths (opens in a new tab)
Read original article ↗ (opens in a new tab)IDC MarketScape names Microsoft a Leader in the 2026 Worldwide Modern Endpoint Security for Enterprises Vendor Assessment (opens in a new tab)
Read original article ↗ (opens in a new tab)Tracking AI adoption in North Korean threat actor tradecraft (opens in a new tab)
Read original article ↗ (opens in a new tab)The CISO’s evolving role: Protecting and defending in the agentic era (opens in a new tab)
Read original article ↗ (opens in a new tab)Inside the LiteLLM 1.107.0 supply chain compromise: Credential theft through Python startup hooks (opens in a new tab)
Read original article ↗ (opens in a new tab)AI-driven, large-scale nation-state campaign using ARTEX enables supply chain compromise (opens in a new tab)
Read original article ↗ (opens in a new tab)Critical security issue affecting PHP (opens in a new tab)
Read original article ↗ (opens in a new tab)China-linked malicious actors called out by UK and international partners for targeting sensitive data globally (opens in a new tab)
Read original article ↗ (opens in a new tab)Incident affecting ASOS customers (opens in a new tab)
Read original article ↗ (opens in a new tab)Exploitation of vulnerabilities affecting Citrix NetScaler ADC and Citrix NetScaler Gateway (opens in a new tab)
Read original article ↗ (opens in a new tab)UK and allies expose spyware used by Iranian state actors to target dissidents, activists and journalists (opens in a new tab)
Read original article ↗ (opens in a new tab)Iranian cyber targeting of dissidents, activists and journalists (opens in a new tab)
Read original article ↗ (opens in a new tab)Disruptive cyber activity highlights risk from internet-exposed systems and edge devices (opens in a new tab)
Read original article ↗ (opens in a new tab)NCSC statement in response to recent incidents resulting from frontier AI evaluations (opens in a new tab)
Read original article ↗ (opens in a new tab)UK and partners expose Russian state-supported actors for new ‘zero-click’ phishing campaign targeting Western organisations (opens in a new tab)
Read original article ↗ (opens in a new tab)UK and Allies urge critical sectors to improve defences against Russian intelligence targeting (opens in a new tab)
Read original article ↗ (opens in a new tab)The AI shift in cyber risk: why leaders must act now (opens in a new tab)
Read original article ↗ (opens in a new tab)Alert: NCSC issues advice following global targeting of Fortinet firewalls and VPN gateways (opens in a new tab)
Read original article ↗ (opens in a new tab)NCSC CEO: Hostile states linked to three-quarters of cyber attacks affecting UK's critical systems (opens in a new tab)
Read original article ↗ (opens in a new tab)Sources: UK NCSC ↗ (opens in a new tab) · Microsoft Security ↗ (opens in a new tab)