Cybersecurity ยท Logon Newshttps://logonnews.com/en/section/ciberseguridad/All the cybersecurity coverage from Logon News, with context and rigour.enAlice & Bob: RSA-2048 could fall to 23,000 cat qubits, on paperhttps://logonnews.com/en/2026/11/03/alice-bob-rsa-2048-cat-qubits-estimate/https://logonnews.com/en/2026/11/03/alice-bob-rsa-2048-cat-qubits-estimate/Tue, 03 Nov 2026 09:50:00 GMTA French start-up's preprint cuts the estimated size of a code-breaking quantum computer. The machine it describes does not exist yet.Cybersecurity