Data Encrypted Today Could Be Readable Tomorrow: What Post-Quantum Cryptography Changes7 min remaining0%
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Security·8 Jan 20267 min
Data Encrypted Today Could Be Readable Tomorrow: What Post-Quantum Cryptography Changes
By Helion Cloud Team
Post-quantum encryption is becoming a priority: what you need to know to prepare your company for the new threats of the quantum era.
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Quantum computing is advancing rapidly. NIST and ANSSI experts recommend preparing now for the transition to post-quantum cryptography. 2026 is the year to initiate your protection strategy.
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The 'Harvest Now, Decrypt Later' Threat
Even though quantum computers capable of breaking current encryption are still in development, encrypted data today can be stored by attackers to be decrypted later. That's why ANSSI recommends anticipating this transition now, particularly for sensitive long-lived data.
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NIST post-quantum standards
NIST finalized its first post-quantum cryptography standards in 2024 (FIPS 203, 204, 205). Algorithms like ML-KEM and ML-DSA are gradually being integrated by vendors. Microsoft is actively working on their implementation in its cloud products.
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Microsoft Security Copilot
Security Copilot uses generative AI to analyze threats and recommend corrective actions. The assistant can process millions of security events and identify attack patterns. For security teams, it's a valuable detection and response tool.
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Recommended action plan
Start with an inventory of your cryptographic assets. Identify sensitive long-lived data. Update your systems to the latest versions. Enable MFA everywhere. Train your teams on new threats. Helion Cloud offers security audits tailored to regional SMBs.
Summary
The transition to post-quantum cryptography is a gradual process. As a Microsoft security specialist in Lille, Helion Cloud supports companies in this evolution to protect their data today and tomorrow.
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