Microsoft urges organizations to prioritize cryptographic inventories and quantum-resistant upgrades to protect sensitive data against future threats, aiming for full migration across its critical services by 2029.

Key Points

• Cryptographic inventories must include operating systems, cloud platforms, hardware, and third-party frameworks to identify hidden dependencies.
• Teams should document specific algorithms, key sizes, and implementation providers to maintain comprehensive oversight of security assets.
• Microsoft recommends transitioning key establishment to ML-KEM and adopting ML-DSA or SLH-DSA for digital signatures to counter quantum computing risks.
• AES-256 remains the standard for bulk encryption, while TLS 1.3 connections require hybrid key-establishment groups to achieve post-quantum security.
• Organizations must establish crypto-agility to manage external upgrade schedules and ensure long-term data confidentiality.

Why it Matters

Proactive migration to post-quantum cryptography is essential to prevent future decryption of sensitive data as quantum computing capabilities advance. By building crypto-agility now, businesses can mitigate systemic risks and ensure their infrastructure remains resilient against evolving cryptographic standards.