7 Vendors That Manage Enterprise PQC Transition Programs

A post-quantum cryptography (PQC) transition is not a single technology upgrade. It is a coordinated change program involving application owners, security architects, infrastructure teams, developers, vendors, and executive leadership. Each group controls a different part of the cryptographic environment, and their work must align before critical systems can transition safely.

The challenge becomes more significant when organizations operate thousands of applications across cloud, on-premises, and third-party environments. A security team may identify vulnerable cryptography, but replacing it can depend on software releases, certificate infrastructure, vendor compatibility, procurement decisions, and regulatory deadlines.

Why Enterprise PQC Migration Requires Program Management

The technical foundation for post-quantum migration is becoming clearer. NIST finalized its first three principal PQC standards in August 2024: FIPS 203 for ML-KEM, FIPS 204 for ML-DSA, and FIPS 205 for SLH-DSA.

However, standardized algorithms do not automatically make enterprise applications ready to adopt them.

An organization must determine which systems use vulnerable cryptography, whether replacement algorithms are supported, who owns the affected components, and how changes can be implemented without disrupting business operations.

Several activities must progress together:

• Cryptographic discovery: Identifying algorithms, certificates, keys, libraries, protocols, and their dependencies.
• Business risk assessment: Determining which applications and sensitive data require attention first.
• Migration sequencing: Establishing realistic remediation phases based on risk, technical readiness, and organizational capacity.
• Execution coordination: Assigning changes to application, infrastructure, security, and external vendor teams.
• Validation and reporting: Confirming that remediation is complete and providing evidence of measurable progress.

The most useful platforms connect these activities rather than treating cryptographic discovery as the final deliverable.

7 Vendors That Manage Enterprise PQC Transition Programs

1. Q.security

Q.security provides Q, an AI-native cryptographic governance and PQC remediation platform that helps enterprises manage the transition to quantum-safe cryptography as a continuous, business-driven program.

The platform is designed around a practical constraint: organizations cannot replace every vulnerable cryptographic component simultaneously. Effective migration therefore depends on identifying the systems that create the greatest business exposure and coordinating remediation in an appropriate order.

Q.security begins with top-down business context rather than treating all discovered cryptographic assets as equally important.

The platform develops a model of the organization’s critical applications, business units, sensitive information, operational dependencies, and regulatory responsibilities. It draws on existing enterprise information, including application inventories, business impact assessments, architecture documentation, and security policies.

The platform then connects that business context with bottom-up cryptographic discovery. Through approved, minimum read-only access and integrations with existing enterprise systems, Q identifies cryptographic dependencies across code repositories, cloud environments, public-facing services, TLS and SSH connections, and other supported infrastructure.

A key distinction is how Q handles completion. A remediation item does not become resolved simply because someone closes a ticket. The platform requires validation evidence confirming that the relevant cryptographic issue has been addressed.

This creates a stronger connection between engineering activity and reported progress. For CISOs and enterprise security leaders, Q provides centralized program visibility across owners, remediation phases, outstanding risks, and completed work. Its continuous cryptographic posture management helps organizations account for new discoveries and changing requirements beyond the initial migration.

Q.security ranks first because it brings business prioritization, cryptographic discovery, execution management, and validated outcomes into one CISO-owned program. Instead of relying on disconnected technical projects, enterprises can coordinate a phased transition with clear accountability and defensible progress reporting.

Key Capabilities:

• Business-first program prioritization: Connects application criticality, data sensitivity, confidentiality lifetime, and regulatory exposure with cryptographic findings.
• Enterprise cryptographic discovery: Uses approved read-only integrations and existing data sources to identify cryptography across supported environments.
• Phased migration planning: Organizes remediation according to business risk, technical dependencies, and organizational priorities.
• Governed remediation workflows: Coordinates owners, runbooks, tickets, and scripted fixes across engineering and security teams.
• Validation-based closure: Requires evidence that cryptographic findings have been resolved before remediation is considered complete.
• CISO-level program visibility: Tracks progress, unresolved exposure, and execution responsibilities across the enterprise.
• Continuous crypto-agility: Maintains cryptographic posture information as applications, standards, and business requirements evolve.

2. IBM Quantum Safe

IBM Quantum Safe provides a portfolio of technologies and services for discovering, evaluating, and addressing quantum-vulnerable cryptography. Its approach combines cryptographic asset management, application analysis, migration capabilities, and consulting support.

IBM Quantum Safe Explorer analyzes source code to identify cryptographic APIs, algorithms, libraries, and dependencies, including information used to generate Cryptographic Bills of Materials (CBOMs). Quantum Safe Cryptography Manager provides broader visibility into cryptographic assets and migration activities, while Quantum Safe Proxy supports interoperability between legacy and post-quantum-ready systems. IBM Consulting also assists organizations with transformation planning and implementation.

Key Capabilities:

• Cryptographic inventory management: Consolidates information about cryptographic assets and dependencies.
• Source-code analysis: Identifies vulnerable cryptographic implementations and generates CBOM information.
• Migration coordination: Supports planning and managing remediation activities across enterprise environments.
• Compatibility mechanisms: Provides options for managing legacy and quantum-safe communications during transition.
• Consulting and transformation services: Supports enterprise migration strategy, architecture, and execution.

3. DigiCert

DigiCert provides cryptographic governance and PQC transition capabilities through DigiCert ONE and Quantum Central. The platform helps security teams consolidate cryptographic information, establish readiness policies, and coordinate remediation tasks.

Quantum Central became generally available in September 2026. It integrates cryptographic asset information from supported sources, evaluates exposure against enterprise-defined policies, and provides dashboards for monitoring readiness. Teams can identify policy violations, generate remediation tasks through Jira, and track their status. DigiCert’s broader certificate lifecycle and digital trust capabilities complement this approach, particularly for organizations managing extensive PKI environments.

Key Capabilities:

• Centralized cryptographic inventory: Brings together information from supported certificate, endpoint, and other discovery sources.
• PQC readiness policies: Evaluates assets against configurable cryptographic standards.
• Risk and readiness dashboards: Provide visibility into cryptographic exposure and migration requirements.
• Remediation tracking: Creates and monitors Jira tasks associated with cryptographic findings.
• PKI lifecycle integration: Connects readiness planning with broader certificate and digital trust management.

4. Keyfactor

Keyfactor provides cryptographic discovery, certificate lifecycle management, PKI modernization, and crypto-agility capabilities for enterprises preparing for post-quantum cryptography.

Its AgileSec portfolio extends cryptographic visibility across areas such as code, binaries, network traffic, cloud workloads, and enterprise infrastructure. AgileSec Analytics identifies cryptographic assets and potential weaknesses, while AgileSec Agility supports changes to cryptography in certain application environments without requiring source code modifications. Keyfactor’s certificate management and PKI capabilities support the operational work of updating certificates, keys, and trust infrastructure during the transition.

Key Capabilities:

• Enterprise cryptographic discovery: Identifies algorithms, libraries, certificates, protocols, and related dependencies.
• Crypto-agility tooling: Supports cryptographic modernization within compatible application environments.
• Certificate lifecycle automation: Manages certificates and machine identities across enterprise systems.
• PKI modernization: Supports adoption of quantum-ready trust infrastructure.
• Cryptographic policy management: Helps organizations establish and maintain cryptographic standards.

5. SandboxAQ

SandboxAQ provides cryptographic posture management through AQtive Guard, a platform designed to identify, analyze, and manage cryptographic exposure across enterprise environments.

The platform supports discovery across code, runtime systems, network communications, and infrastructure, helping security teams build a broader understanding of their cryptographic estate. Its cryptographic analysis capabilities help identify vulnerabilities and inform migration planning. SandboxAQ also supports governance and crypto-agility initiatives, making it relevant to organizations that require extensive technical visibility before coordinating changes across multiple technology environments.

Key Capabilities:

• Cryptographic posture management: Provides visibility into cryptographic assets and security weaknesses.
• Multi-environment discovery: Analyzes cryptography across supported code, runtime, network, and infrastructure sources.
• PQC readiness analysis: Identifies cryptographic implementations requiring migration attention.
• Risk assessment: Supports evaluation of cryptographic exposure and remediation priorities.
• Crypto-agility support: Helps organizations manage changes to cryptographic technologies and policies.

6. Palo Alto Networks

Palo Alto Networks provides Quantum-Safe Security capabilities that help organizations assess and address quantum-related cryptographic exposure through their network security infrastructure.

Its approach uses information from supported firewall and Prisma Access environments, together with additional security data, to identify cryptographic protocols, algorithms, certificates, and potentially vulnerable connections. The platform supports risk assessment and governance, while Cipher Translation capabilities help protect selected legacy communications using quantum-safe cryptographic mechanisms at the network layer. This approach is relevant to organizations managing network infrastructure that cannot be immediately upgraded at the application level.

Key Capabilities:

• Network cryptographic discovery: Uses supported security telemetry to identify algorithms, protocols, and certificates.
• Quantum risk assessment: Evaluates cryptographic exposure within network environments.
• Cipher Translation: Supports quantum-safe protection for selected legacy communications.
• Network-based remediation: Provides migration options that may avoid modifying individual applications.
• Security governance: Connects cryptographic readiness with network security policies and reporting.

7. QuSecure

QuSecure provides post-quantum cryptographic protection through its QuProtect platform, which focuses on securing network communications and managing cryptographic changes through centrally controlled policies.

QuProtect combines cryptographic discovery, quantum-safe protection, and reporting through its orchestration architecture. Its network-layer approach allows organizations to introduce supported post-quantum and hybrid cryptographic mechanisms without rewriting every application. The platform includes capabilities for identifying legacy cryptography in network traffic, managing protection policies, and producing CBOM-related reporting. Its emphasis is on implementing and maintaining quantum-safe communication rather than providing a complete enterprise-wide business prioritization model.

Key Capabilities:

• Network-layer PQC protection: Adds supported post-quantum cryptographic mechanisms to existing communications.
• Centralized policy orchestration: Manages cryptographic configurations across supported environments.
• Legacy cryptography discovery: Identifies relevant encryption activity in network traffic.
• Hybrid cryptographic support: Helps maintain interoperability during phased adoption.
• Cryptographic reporting: Provides inventory and compliance information related to protected communications.

What a PQC Transition Program Should Report to the Board

Executive reporting should communicate more than the number of certificates or vulnerable algorithms discovered. Large cryptographic inventories can grow as discovery improves. An increasing finding count may therefore indicate better visibility rather than deteriorating security.

A program dashboard should distinguish exposure, remediation progress, and unresolved dependencies.

Program Indicator	What It Tells Leadership
Critical applications assessed	How much of the highest-priority business environment has been evaluated
High-risk findings with assigned owners	Whether identified problems have clear accountability
Remediation completed and validated	Which cryptographic issues have demonstrably been resolved
Applications awaiting vendor support	Where external dependencies affect the migration timeline
Upcoming regulatory milestones	Which deadlines require near-term action
Exceptions and interim protections	Which risks remain open and how they are being managed
New cryptographic findings	Whether continuous discovery is keeping pace with environmental changes

The distinction between activity and outcome is essential. A report showing 500 completed remediation tickets provides limited assurance if those tickets were never technically validated.

Similarly, migrating a large number of low-impact certificates may represent less meaningful risk reduction than completing a smaller group of critical application transitions. A useful board report should connect progress with the enterprise’s most important business risks.

Frequently Asked Questions

What is an enterprise PQC transition program?

An enterprise post-quantum cryptography transition program coordinates the identification, prioritization, modernization, and governance of cryptographic systems that may become vulnerable to quantum computing. It involves security, application, infrastructure, compliance, and vendor teams. A complete program includes cryptographic inventory, business risk assessment, migration planning, implementation, technical validation, and continuous monitoring to maintain quantum-safe readiness.

What is the difference between a PQC assessment tool and a transition management platform?

A PQC assessment tool primarily identifies vulnerable cryptography and evaluates readiness. A transition management platform supports the broader process of deciding what to remediate, assigning responsibilities, coordinating changes, validating outcomes, and tracking program progress. Some vendors provide both capabilities. Enterprise buyers should examine whether a product supports execution and governance or primarily produces technical findings and recommendations.

How should enterprises prioritize their PQC migration programs?

Prioritization should consider application criticality, sensitive data, confidentiality lifetime, Harvest Now, Decrypt Later exposure, regulatory deadlines, and technical dependencies. Organizations should also evaluate replacement readiness and the operational consequences of each change. A phased strategy allows enterprises to address important risks first while managing compatibility challenges and distributing remediation work across responsible technical teams.

Can enterprises migrate to post-quantum cryptography without replacing every application?

Some systems can adopt quantum-safe protection through infrastructure upgrades, network-layer mechanisms, hybrid cryptography, or compatible proxies without immediate application rewrites. Other systems require changes to cryptographic libraries, certificates, protocols, or application code. The appropriate approach depends on architecture and interoperability requirements. Enterprises should distinguish temporary protective measures from complete modernization of underlying cryptographic dependencies.

How can CISOs measure progress toward quantum safety?

CISOs can track critical applications assessed, high-priority vulnerabilities, remediation ownership, validated closures, outstanding vendor dependencies, and compliance milestones. Progress should reflect reduced business exposure rather than the raw number of assets scanned or tickets closed. Continuous cryptographic monitoring also helps identify new vulnerabilities and prevents the transition from becoming a one-time compliance exercise.