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Cyber security news, as it breaks.
Updated 125 stories in 24 hours
UK Cyber Security News
👉 Anything related to UK, NHS, NCSC, UK companies
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Most fromCSO Online UK, Computer Weekly, GOV.UK, Security Affairs
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The Linux kernel’s networking stack was found vulnerable to a guest-to-host escape attack, in which an attacker operating inside a virtual machine (VM) could cross the isolation boundary and access the underlying host. Dubbed PwnEscape and tracked as CVE-2026-99999, a flaw allowed guest-controlled packet metadata to trigger a write that changes an IPv4 header after…
CSO Online UK
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Officers and other staff were using an unapproved third-party platform to share data on suspected shoplifters…
ITPro
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Organizations running self-hosted BeyondTrust Remote Support should treat exposed appliances as potentially compromised after a suspected Chinese espionage group exploited a critical zero-day to gain root control, access credential vaults, and establish footholds for lateral movement, according to Mandiant and Google Threat Intelligence Group. “Organizations should prepare for potential widespread exploitation following this disclosure,” Google…
CSO Online UK
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Current security procedures for training AI models are inadequate, hundreds of AI researchers have warned governments and the AI community. They are calling for tougher rules and the establishment of a new international body overseeing best practice for AI development. In an open letter the AI specialists — 487, at time of publication, including many…
CSO Online UK
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Fresh research suggests recent panic over AI-generated malware may be overblown. Last month Anthropic detailed how Russia-linked cyberespionage group Midnight Blizzard used Claude to rebuild malware each time security tools flagged its backdoor as malign. “We observed GTG-20006 operate through customized AI-driven workflows that automated much of their operations from development, infrastructure acquisition, phishing, persistence…
CSO Online UK
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That ad you just scrolled past on your phone but barely spared a look or click? It could be tracking your movements and collecting your data, without you having to do a thing. This “zero-click mercenary spyware,” dubbed “AdFection,” is increasingly exploiting a sprawling online advertising ecosystem ripe for abuse, according to researchers at The…
CSO Online UK
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Although the Jev model rolled out last month by TypeSafe claims to have significant advantages over traditional LLMs, a security report published Wednesday argued that its streamlined approach makes it more vulnerable to some kinds of attack, compared to traditional LLMs. “In some cases, [Jev] is even more vulnerable to attacks, with both adversarial text…
CSO Online UK
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Experts are warning that the UK is unprepared for crises. A refrigerator cyber-attack scare in France is the latest reminder of the risks What’s worrying French supermarket bosses should be prompting British ministers to action. On Sunday, hackers forced up the temperatures of refrigerators in hundreds of food stores across France to as high as…
The Guardian
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At a critical moment for Britain’s national security, the Ministry of Defence’s upgraded SIEM and security analytics platform is being delivered by Centerprise and Elastic.
Computer Weekly
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A cyberattack on Britain’s Legal Aid Agency (LAA) stole far older and broader records than the government previously disclosed.
The Record
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Most of the data is related to applications, claims, and payments submitted between 2007 and 2025.
SecurityWeek
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The UK’s data protection watchdog warns of an “ongoing failure” by the Metropolitan Police Service to restrict staff from using unauthorised IT services…
Computer Weekly
