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Cybersecurity — Quantum Security & Post-Quantum Readiness

Quantum Security & Post-Quantum Readiness

Identify quantum-vulnerable cryptography, prioritize long-lived exposure, and build a practical post-quantum migration roadmap.

Colleagues reviewing technical requirements and a security roadmap
Request a Quantum Readiness AssessmentExplore Cybersecurity

Many applications, networks, certificates, identities, devices, and third-party services depend on public-key cryptography. A sufficiently capable quantum computer could threaten widely used public-key algorithms. The immediate business task is not speculation about a date — it is finding cryptographic dependencies, assessing long-lived exposure, and planning controlled migration as standards and products mature.

Post-quantum cryptography runs on conventional computers. Readiness work focuses on inventory, prioritization, crypto-agility, vendor coordination, and migration planning around standardized algorithms and supported implementations.

Who this is for

  • Organizations that hold sensitive or long-lived information
  • Teams responsible for PKI, TLS, VPNs, SSH, code signing, identity, or encrypted data exchange
  • Technology providers that need visibility into cryptographic dependencies across products and supply chains
  • Leadership teams preparing security roadmaps, budgets, and procurement requirements

What's included

Cryptographic discovery

Identify where cryptography is used across applications, infrastructure, network protocols, certificates, software dependencies, hardware, cloud services, and vendors.

Exposure and prioritization

Review data sensitivity and lifespan, externally exposed systems, critical services, and harvest-now-decrypt-later exposure to determine what should move first.

Crypto-agility

Assess whether algorithms, certificates, libraries, and dependent services can be changed without rebuilding systems.

Migration planning

Develop a staged roadmap covering owners, dependencies, testing, procurement, implementation windows, fallback arrangements, and retesting.

What you receive

  • An agreed scope and evidence record
  • Findings tied to affected systems and business impact
  • A prioritized cryptographic inventory or inventory plan
  • Crypto-agility and dependency findings
  • A staged migration roadmap with owners and decision points

Scope & limitations

  • An assessment covers only the systems, evidence, and vendors agreed in scope.
  • The work is not certification and does not make a system quantum-proof.
  • Technology support and standards continue to evolve, so implementation choices must be validated against current guidance and vendor capabilities.

Common questions

Do we need to replace all encryption immediately?

No. Begin with discovery and prioritization. Public-key cryptography is the primary migration concern, while symmetric cryptography and hashing should still be recorded as part of broader inventory and agility work.

Is post-quantum cryptography the same as quantum key distribution?

No. Post-quantum cryptography uses algorithms designed to resist quantum attacks on conventional systems. Quantum key distribution uses specialized quantum communication technology.

Is this a penetration test?

No. Penetration testing investigates exploitable weaknesses. Quantum-readiness work maps cryptographic dependencies, assesses exposure and agility, and plans migration.

Can you implement the migration after the assessment?

Implementation, pilots, vendor coordination, configuration changes, and retesting can be scoped after priorities and supported technology paths are clear.

Related services & solutions

Post-Quantum Cryptography Readiness Assessment

Cryptographic Inventory & Dependency Mapping

Post-Quantum Migration & Crypto-Agility Consulting

Technical Compliance Audits

Related insights

Articles and practical guidance related to this capability.

Request a Quantum Readiness Assessment

Share your goals and current setup. We will review your enquiry and discuss scope and next steps.

Request a Quantum Readiness AssessmentCall 647 987 8780

Brands we’ve worked with

  • Morguard
  • Triovest
  • Walmart
  • TELUS
  • Urban Planet
  • Union Burger
  • Halton Healthcare
  • MPAC
  • Reader’s Digest
  • KWE
  • Home Instead
  • FASTSIGNS
  • Sun Life