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Cryptography has been one of the core pillars of digital security for decades. But the growth of new threats and the future arrival of quantum computing are forcing organizations to rethink how they manage cryptographic systems.

In a recent report, Microsoft presented a strategy centered on building cryptographic inventories and on the concept of Cryptographic Posture Management (CPM), a discipline designed to help companies understand, monitor, and modernize the use of cryptography across their infrastructure.

One of the main challenges today is that many companies do not have full visibility into:

• Which cryptographic algorithms they use
• Where they are implemented
• Which certificates are still active
• Which systems depend on obsolete technologies

This creates significant risk, especially in large and distributed environments.

According to Microsoft, it is impossible to modernize or properly protect cryptography if an organization does not first know exactly where and how it is being used.

The central idea in the report is to build a complete map of all the cryptographic assets inside an organization.

This includes:

• Digital certificates
• Cryptographic keys
• TLS/SSL protocols
• Encryption algorithms
• Cryptographic libraries
• Authentication systems
• Digital signatures

The goal is to create full visibility into the company's cryptographic surface.

One of the main drivers behind this strategy is the advance of quantum computing.

Future quantum computers could break algorithms that are currently considered secure, such as:

• RSA
• ECC (Elliptic Curve Cryptography)

This could affect:

• Encrypted communications
• Digital signatures
• PKI infrastructure
• Protection of historical data

Although the quantum threat is not immediate, organizations already need to prepare for a gradual transition toward cryptography that can resist quantum attacks.

Microsoft proposes adopting an ongoing cryptographic management discipline, similar to the way organizations already manage vulnerabilities or security configurations.

CPM aims to:

• Automatically discover cryptographic assets
• Detect weak or insecure algorithms
• Prioritize risks
• Support cryptographic migrations
• Monitor policy compliance

In essence, the goal is to turn cryptography into a visible and manageable part of corporate security.

Many organizations accumulate what experts describe as cryptographic debt:

• Forgotten certificates
• Old algorithms that remain active
• Keys that are not rotated
• Legacy dependencies that are difficult to update

Over time, that debt becomes both an operational and a security problem.

The report warns that the transition to post-quantum standards will be extremely complex for companies that do not have visibility into their current environment.

Some industries face greater risk because of the value and lifespan of their data:

• Banks and financial systems
• Governments
• Healthcare
• Critical infrastructure
• Telecommunications

In many cases, data must remain protected for decades, which increases concern about future quantum attacks.

The first priority is to identify every system and asset that uses cryptography.

Remove or replace insecure technologies or those approaching end of life.

Prepare gradually for post-quantum standards.

Deploy tools that can continuously analyze the organization's cryptographic state.

Microsoft's report reflects an important shift in the industry: cryptography can no longer be treated as a static component implemented only once.

The growing complexity of modern infrastructures, together with the future quantum threat, is forcing organizations to adopt active, continuous, and strategic management of their cryptographic mechanisms.

In the coming years, the ability to understand and control cryptographic posture could become one of the most important factors in enterprise digital resilience.