The greatest misconception regarding quantum computing is that its security risks belong to an undetermined future date. In reality, modern security architectures are already compromised by an attack strategy known as Harvest Now, Decrypt Later (HNDL) . Hostile actors and state-sponsored entities do not need to crack your encryption today. They merely intercept, siphon, and archive encrypted communications, encrypted tunnels, and sensitive backups right now. When a Cryptographically Relevant Quantum Computer (CRQC) eventually comes online—whether in five years or fifteen—they will run Shor’s algorithm on your archived payloads to tear apart the underlying public-key cryptography. If your data’s confidentiality lifespan exceeds the time it takes to build a practical quantum machine, that data is already vulnerable . Securing your infrastructure against this threat requires immediate, pragmatic steps. Understanding the Asymmetric Bottleneck Quantum threats do not target all cryptogra...
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