Quantum computing threatens public institutions by enabling future decryption of today’s encrypted data, creating “harvest now, decrypt later” risks. Nation-states may target sensitive information like diplomatic or military secrets years in advance. Post-Quantum Cryptography (PQC) offers an immediate, cost-effective defense, coexisting with classical encryption and deployable via existing networks. SSH’s Tectia Quantum-Safe Edition uses a hybrid model, combining PQC with traditional algorithms for secure remote access, file transfer, and mainframe communications. Early adoption ensures long-term protection and compliance as quantum capabilities approach operational readiness.

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