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Defending against AI cyberattacks with a focus on reducing vulnerabilities
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Fusion42 · 2 November 2026 · Fusion42 review
AI models like Anthropic's Claude Mythos can discover thousands of zero-day vulnerabilities and autonomously exploit them in hours rather than weeks, rendering traditional reactive cyber defense obsolete. Defence contractors and critical infrastructure operators must shift to proactive vulnerability elimination through Zero Trust Architecture, AI-assisted discovery, and secure-by-design principles.
This Wire brief sits within Fusion42's coverage of Cybersecurity.
◆ ◆ The Wire takeaway
The exploit window has collapsed from weeks to hours. Defence contractors and infrastructure vendors now have a hard deadline to ship products with no exploitable vulnerabilities—or lose contracts to competitors who do; the market is moving from patching to prevention, and only vendors meeting NSA High Robustness standards will clear procurement.
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1 source · 2 Nov 2026
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