Microsoft Speeds Up Quantum-Safe Security Roadmap for 2029

Microsoft accelerates quantum-safe security plans as the company warns that organizations may need to replace today’s encryption sooner than expected.

The company says current quantum computers still cannot break modern encryption. However, Microsoft argues that businesses, governments, and software makers should prepare now because the risk window has changed.

Microsoft is now moving faster with its post-quantum security roadmap, with a target to transition critical products and services to quantum-resistant cryptography by 2029.

Microsoft says quantum risk is no longer a distant problem

Microsoft says post-quantum security was once treated as a future issue. That view has changed as quantum computing research continues to advance.

The company warned that cryptographically relevant quantum computers could arrive sooner than previously expected. These machines would be powerful enough to threaten widely used public-key encryption systems.

Microsoft did not publicly explain which specific advances pushed it to accelerate the timeline. Still, the company says organizations should not wait until quantum computers become a practical threat.

The main concern is “harvest now, decrypt later”

One major risk comes from “harvest now, decrypt later” attacks.

In this scenario, attackers steal encrypted data today and store it for years. Once quantum computers become powerful enough, they could try to decrypt that old information.

Microsoft is pushing post-quantum cryptography

Microsoft is focusing on post-quantum cryptography, also known as PQC.

PQC replaces current public-key encryption algorithms with new methods designed to resist attacks from quantum computers. These algorithms aim to protect encrypted communications even after quantum hardware becomes more powerful.

Other companies, including Apple, Google, and Signal, have also started adding quantum-resistant encryption to their products and services.

Microsoft wants critical services ready by 2029

Microsoft plans to move its critical products and services to PQC by 2029.

This work falls under the Microsoft Quantum Safe Program. The company is also adding quantum-safe requirements to its Secure Future Initiative, which already covers broader security changes across Microsoft products and internal systems.

The goal is not only to adopt new algorithms. Microsoft also wants its platforms to handle future cryptographic changes more easily.

Crypto-agility becomes a major priority

Microsoft says crypto-agility will play a key role in the transition.

Crypto-agility means systems can swap encryption algorithms without requiring a full redesign. This matters because cryptographic standards can change over time, especially as quantum research develops.

Microsoft also wants organizations to modernize network cryptography with protocols such as TLS 1.3. The company is preparing systems for hybrid and post-quantum key exchange methods, which could help bridge current encryption with future quantum-safe standards.

Microsoft is also looking beyond encrypted connections.

The company wants to modernize trust chains used for code signing, certificates, software updates, and hardware-backed key protection. These systems help verify that software, updates, and devices can be trusted.

In other quantum computing news, Microsoft has revealed the Majorana 2 quantum chip and recently rejected claims that Python errors are undermining its quantum research.

Via BleepingComputer