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VEX-Bench: Benchmarking LLM Agents for Assessing Exploitability of Software Supply Chain Vulnerabilities
Introduces VEX-Bench, 75 expert-labeled real-world cases testing whether LLM agents can assess supply chain vulnerability exploitability; frontier models reach about 80% F1.
VEX-Bench is the first benchmark evaluating LLM agents on assessing whether upstream dependency vulnerabilities are exploitable in downstream projects, with 75 real-world expert-labeled cases across Python, Java, and Go mined from GitHub. Nine models across three agent harnesses were evaluated; GPT-5.5 and Claude Opus 4.6 reach approximately 80% F1 on binary vulnerability-status classification, but only GPT-5.5 surpasses 70% macro-F1 on fine-grained justification classification. The gap highlights the difficulty of moving beyond binary exploitability calls to explaining exploitability reasons, unlike prior benchmarks targeting zero-day settings.
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ENISA: Frontier AI Is Changing the Speed of Cyberattacks. Europe Needs to Catch Up
ENISA warns frontier AI compresses attack lifecycles to minutes, with exploits possible within 15 minutes of disclosure and median 72-minute breach-to-exfiltration times.
ENISA's July 2026 paper 'ENISA's view on Cybersecurity in the Frontier AI Era' argues AI-assisted attackers may weaponize vulnerabilities within 15 minutes of disclosure and achieve initial-access-to-data-exfiltration in a median 72 minutes, creating a 'negative time-to-exploit' problem. The report cites one organisation whose CVE volume rose from roughly 80 in Q1 2025 to almost 500 in Q1 2026, then about 500 reports per day when frontier-AI tools were used. ENISA recommends machine-speed defence under 'Cybersecurity as Code', EPSS and VEX-based prioritisation, AI-assisted incident response with human oversight, and an assume-breached architecture.
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The GTA VI leaks are breaking the internet. Security researchers have seen this before.
A hacker or insider leaked GTA VI gameplay footage before launch, triggering Take-Two DMCA subpoenas against Discord, Google, Microsoft and X.
The persona "CyberLeek" published stolen Grand Theft Auto VI gameplay footage and a manifesto, in what experts call a familiar data extortion playbook with monetization via watermarks, crypto wallets and a memecoin. Take-Two Interactive obtained DMCA subpoenas against Discord, Microsoft and X, and sent copyright notices to Google, treating the case like an insider threat investigation. GTA VI is projected to earn $3.3–5.2 billion in launch-week sales, raising financial and reputational stakes. Related leak websites went offline after the subpoenas.
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