Quantum computing presents an urgent threat through sustained efforts by adversaries to collect encrypted data rather than breaking current encryption. 'Harvest Now, Decrypt Later' strategies are being employed by nation-states targeting encrypted records, anticipating future quantum capabilities. As incidents from major enterprises illustrate, attackers are focusing on encrypted backups and long-term archives, indicating a shift in operational tactics. The longevity of the encryption's strength is crucial, as data needs to remain secure for its entire useful life against future quantum advances.
Quantum threats are not distant; they have already begun with systematic harvesting of encrypted data for future decryption. Today’s encryption must remain secure for an extended period.
Adversaries no longer just aim to break encryption; they actively collect encrypted data, preparing for a time when quantum decryption becomes feasible.
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