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CryptographyJun 29, 2026

What the post-quantum executive order really demands of CISOs

Post-quantum cryptography executive order sets 2030-2031 federal deadlines, demanding immediate CISO action.

A new executive order codifies post-quantum cryptography (PQC) requirements with hard deadlines: federal high-value systems must transition key establishment by December 31, 2030, and digital signatures by December 31, 2031. CISOs must shift from awareness to ownership, establishing cross-functional governance structures and cryptographic inventories to manage the transformation, as adversaries are already conducting "Harvest Now, Decrypt Later" attacks to steal encrypted data for future decryption.

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The lesson from this incident

Full lesson

A new executive order sets hard deadlines requiring federal high-value systems to complete post-quantum cryptography transitions by 2030–2031, elevating PQC from a theoretical concern to an urgent compliance obligation. The core risk is the 'Harvest Now, Decrypt Later' threat, where adversaries are already capturing encrypted data today with the intent to decrypt it once quantum computing capabilities mature — meaning data stolen now is already at risk. CISOs can no longer treat PQC as a future problem; without a cryptographic inventory and governance structure, organizations have no visibility into which assets are vulnerable. The combination of long migration timelines, legacy system complexity, and active adversarial collection makes delayed action strategically dangerous and potentially irreversible.

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Post-Quantum Cryptography (PQC) (technology)Google (vendor)Harvest Now, Decrypt Later (campaign)