{"id":7533,"date":"2026-09-04T23:06:33","date_gmt":"2026-09-04T21:06:33","guid":{"rendered":"https:\/\/www.sviluppomania.com\/it\/?p=7533"},"modified":"2026-09-04T23:11:42","modified_gmt":"2026-09-04T21:11:42","slug":"crittografia-post-quantistica-i-nuovi-standard-nist-e-il-web%e2%81%a0","status":"publish","type":"post","link":"https:\/\/www.sviluppomania.com\/en\/post-quantum-cryptography-nist-standards-the-webs-defense%e2%81%a0\/","title":{"rendered":"Post-Quantum Cryptography: NIST Standards & The Web’s Defense\u2060"},"content":{"rendered":"

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Global cybersecurity infrastructure stands on the precipice of the most monumental cryptographic overhaul in personal computing history. For nearly five decades, the bedrock of digital trust underpinning the modern global economy\u2014from encrypted electronic banking transactions and public web browsing over HTTPS to national defense channels and distributed ledgers\u2014has relied on the computational security of public-key cryptography, predominantly RSA and Elliptic Curve Cryptography (ECC). The strength of these asymmetric ciphers does not rely on arbitrary obscurity, but on the practical impossibility of solving specific mathematical problems (such as factoring large composite primes or computing discrete logarithms) on classical silicon within centuries of compute time.<\/p>\n

The steady development of fault-tolerant quantum computing systems threatens to dismantle these mathematical foundations. Running Shor’s algorithm, a quantum computer with a sufficient quantity of logical qubits can crack a 2048-bit RSA key in a matter of hours. Confronted by the operational reality of adversaries executing “Harvest Now, Decrypt Later” campaigns, global standards bodies led by the National Institute of Standards and Technology (NIST) have formalized the final specifications for Post-Quantum Cryptography (PQC). A high-stakes race is now underway across enterprise software, critical infrastructure, and web protocols to transition to quantum-resilient algorithms before the arrival of Cryptanalytically Relevant Quantum Computers (CRQCs).<\/p>\n

The Silent Threat: Unpacking ‘Harvest Now, Decrypt Later’<\/h2>\n

The emerging quantum computing threat is frequently misunderstood as a distant hypothetical scenario contingent upon quantum hardware reaching commercial scale. In operational threat intelligence, however, the vulnerability is urgent and actively weaponized through campaigns known as Harvest Now, Decrypt Later (HNDL).<\/p>\n

State-backed threat actors and sophisticated espionage organizations are actively intercepting and archiving petabytes of high-value encrypted communications traversing submarine telecommunications cables and hyperscale data centers:<\/p>\n