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Recent breakthroughs in artificial intelligence mathematical reasoning are accelerating a dual-front crisis for cybersecurity, threatening global encryption standards alongside long-term quantum computing timelines. While quantum computing poses a hardware-driven threat to RSA and elliptic-curve cryptography over a multi-year horizon, advanced AI models are beginning to discover structural flaws and algorithmic shortcuts in foundational math much faster than anticipated. Online banking, secure messaging, and digital asset ledgers rely on cryptographic complexity that automated machine reasoning could systematically unravel if defenders fail to migrate to post-quantum standards. Major tech companies and cloud providers are facing heightened urgency to fast-track post-quantum cryptography (PQC) deployment across global infrastructure to shield sensitive data from preemptive “harvest now, decrypt later” attacks.