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Cisco releases open-source toolkit for verifying AI model lineage

Enterprises pulling models from Hugging Face and other open repositories rarely keep records of how those models are altered after download, leaving organizations with little ability to confirm what they are running in production. The State of AI Security 2026 from Cisco places this level of access inside a growing pattern of AI-driven operations that connect directly to core business systems, and identifies AI supply chain exposure as a recurring risk. Cisco has published the … More → The post Cisco releases open-source toolkit for verifying AI model lineage appeared first on Help Net Security.
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Met Police face criticism for using AI to spy on their own officers

London police officers have been warned by the Metropolitan Police Federation to watch their backs after the force deployed controversial AI software to investigate misconduct. The staff association, representing more than 30,000 officers in London, reported it had not been informed of plans to use Palantir’s AI to analyze officers’ movements. The Federation notified all colleagues and advised them to exercise “extreme caution when carrying Metropolitan Police-issued devices while off duty”. It believes the use … More → The post Met Police face criticism for using AI to spy on their own officers appeared first on Help Net Security.
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Nine-year-old Linux kernel flaw enables reliable local privilege escalation (CVE-2026-31431)

Security researchers at Theori have disclosed a high-severity local privilege escalation (LPE) vulnerability (CVE-2026-31431) in the Linux kernel. The flaw, nicknamed “Copy Fail”, has affected virtually every major Linux distribution shipped since 2017, and a working proof-of-concept (PoC) exploit is publicly available. About CVE-2026-31431 According to Theori researchers, CVE-2026-31431 originates from the interaction of three reasonable kernel changes made over several years: the addition of authencesn (an AEAD cryptographic wrapper used by IPsec) in 2011, … More → The post Nine-year-old Linux kernel flaw enables reliable local privilege escalation (CVE-2026-31431) appeared first on Help Net Security.
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