Do I need to understand quantum computing to implement post-quantum cryptography?

No. Commvault has simplified PQC implementation so that customers can enable quantum-resistant encryption through a checkbox in group configuration settings, without requiring deep quantum computing expertise. The platform is built with crypto agility to adapt as the quantum landscape evolves.

What are the first practical steps for preparing for quantum threats?

Start by evaluating and identifying long-term sensitive data using tools like Commvault's Cobalt Risk Analysis for data discovery and classification. Then assess current encryption levels with Security IQ, and selectively apply post-quantum cryptography to the most critical data while maintaining crypto agility for future adjustments.

Post-Quantum Cryptography: Preparing for the Quantum Threat

Name: Post-Quantum Cryptography: Preparing for the Quantum Threat
Uploaded: 2026-03-20T17:03:16-04:00
Duration: 6 min 3 s
Description: TL;DR Post-quantum cryptography is an accelerated threat arriving in 5-10 years, yet most organizations haven't begun planning for quantum-resistant security despite active cyber-resilience initiatives. Crypto agility—the ability to quickly switch bet...

Commvault

03/20/2026

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TL;DR

Post-quantum cryptography is an accelerated threat arriving in 5-10 years, yet most organizations haven't begun planning for quantum-resistant security despite active cyber-resilience initiatives.
Crypto agility—the ability to quickly switch between cryptographic algorithms—is essential for adapting to evolving quantum threats and NIST recommendations while balancing security with performance costs.
Organizations should start by discovering and classifying long-term sensitive data, then implement hybrid cryptographic architectures that allow selective application of post-quantum encryption where it matters most.

Summary

This discussion addresses the urgent need for organizations to prepare for post-quantum cryptography (PQC) threats, which experts predict will materialize within 5 to 10 years. Despite widespread focus on cyber-resilience strategies, most organizations have not yet considered quantum computing risks. Commvault experts explain that the quantum threat timeline is accelerating, making it critical for IT and security leaders to evaluate their readiness now. The conversation covers the performance challenges of post-quantum encryption algorithms, the importance of crypto agility for seamless transitions between classical and quantum-resistant security, and practical implementation steps including data discovery, classification, and risk analysis. The experts emphasize that hybrid cryptographic architectures—where classical encryption coexists with post-quantum solutions—will become the standard approach, allowing organizations to balance security requirements with computational costs while maintaining flexibility as the quantum landscape evolves.

Chapters

0:00 - The Post-Quantum Readiness Gap
0:52 - Vendor Ecosystem Responsibilities
2:06 - Crypto Agility and Implementation
3:27 - Practical Steps for Organizations

Key Quotes

0:20 "Not many seem to have given the risk exposure from post-quantum computing much thought yet."
0:34 "The stark reality is that post-quantum cryptography is definitely on an accelerated timeline."
1:52 "I can definitely see a hybrid cryptographic architectural deployment taking place where you would have the classical side coexisting with the post-quantum cryptography architectures."

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TL;DR

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