Security News > 2021 > November > When it comes to securing systems against quantum computers, there is no one-size-fits-all solution

Due to the number of systems requiring updates, and the interdependencies of these systems, this will be a large, multi-year project for most enterprises.

With a full inventory of systems using cryptography in hand - including details on algorithms, crypto libraries and hardware accelerators used - they can begin planning to migrate to PQC. Planning must take into consideration where systems are sourced and what systems are internally controlled vs. externally controlled.

These systems rely on digital certificates issued by a PKI system or certificate authority that must also be updated.

The use of hardware-based security for PQC implementations is particularly important when you consider the threat landscape for PQC. PQC is needed to protect systems from attacks using quantum computers to break encryption.

In this manner, they can discover crypto keys even on systems using PQC. While they have not defeated the PQC algorithms, they would be able to defeat the overall security solution.

Companies are beginning to invest in hardware-based crypto for securing critical systems.

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