Cyber & Information Security Experts

We are all things PKI

Experts in Public Key Infrastructure – delivering trusted cryptographic solutions, managed services, and consultancy to secure your digital future.
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We are all things PKI
Trusted by Industry Leaders

Proven Partnerships Across Government and Enterprise

From national defence programmes to global enterprises, Unsung is the trusted partner for secure, resilient, and future-ready PKI services. Our clients rely on our cryptographic expertise to safeguard their most critical systems, ensure compliance, and enable digital transformation.
Tech Background
Cryptographic Bill of Materials (CBOM)

Cryptographic Bill of Materials (CBOM)

Gain complete visibility of your cryptographic estate. Unsung's CBOM service discovers, catalogues, and assesses cryptographic assets across your organisation, providing the foundation for post-quantum readiness and ongoing cryptographic governance.
Hardware Security Modules

Hardware Security Modules

Expert HSM services from design to deployment. FIPS 140-2 Level 3 certified solutions from Thales, Crypto4A, Fortanix. Vendor-certified consultants for government and enterprise.
PKI Management and Hosting

PKI Management and Hosting

Let Unsung manage and host your PKI. Free up internal resources, reduce cost, and ensure high availability, security, and control with our expert-led PKI Managed Service offering.
Certificate Lifecycle Management

Certificate Lifecycle Management

Streamline and secure your digital operations with Unsung’s PKI Certificate Lifecycle Management services. Automate issuance, reduce risk, stay compliant, and maintain business continuity through expert-led certificate governance.
PKI Design & Build

PKI Design & Build

Unsung delivers tailored PKI design and implementation services to meet your business and security needs. From selecting technologies to building and integrating systems, we create future-ready, efficient PKI solutions.
PKI Consultancy

PKI Consultancy

Expert PKI consultancy from SC/DV cleared specialists. 15+ implementations across government, defence, and enterprise. Fixed-price and T&M engagement models.
Technology

Our Technology Partners

Trusted partnerships with leading PKI and security vendors to deliver best-in-class, future-ready cryptographic solutions.
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Unsung Government
Frameworks

Our Credentials

Armed Forces Covenant

PKI Consortium

As members of the Public Key Infrastructure Consortium (PKIC), we collaborate with global experts to advance PKI standards and interoperability. This reflects our commitment to strengthening digital trust and securing critical systems across sectors.
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Cyber Essentials Plus

Cyber Essentials Plus

Cyber Essentials Plus certified, demonstrating our systems are securely configured, robustly defended, and independently tested against common cyber threats.
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ISO 27001

ISO 27001

We are ISO 27001 certified, ensuring rigorous information security management practices aligned to international standards for data confidentiality and integrity.
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Armed Forces Covenant

Armed Forces Covenant

As Armed Forces Covenant signatories, we support veterans and reservists, aligning our values with national commitments to defence and service communities.
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Blogs

Our Latest Insights

Interviews, tips, guides, industry best practices, and news.
Saas Supply Chain Quantum Risk

Saas Supply Chain Quantum Risk

Your suppliers' cryptography protects your data and caps your migration. See how to assess their post quantum solutions and remove inherited exposure.
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November 7, 2026
Quantum Secure Email Smime

Quantum Secure Email Smime

S/MIME has no forward secrecy, so encrypted email is a prime harvest now, decrypt later target. What quantum computing means for email cryptography.
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November 5, 2026
Quantum Safe HSM

Quantum Safe HSM

An HSM that cannot sign with ML-DSA cannot issue post-quantum certificates. What quantum safe cryptography requires from your root of trust hardware.
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November 3, 2026
Quantum Risk Embedded-OT

Quantum Risk Embedded-OT

Embedded and OT devices outlive every migration deadline. Learn where quantum resistant encryption fails on constrained hardware and what to do instead.
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November 1, 2026
Quantum Risk Assessment Timelines

Quantum Risk Assessment Timelines

A quantum risk assessment compares data lifetime, migration time and CRQC arrival. Learn how the three timelines decide if your exposure has already begun.
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October 30, 2026
Quantum Digital Signature Risk

Quantum Digital Signature Risk

Quantum computing undermines digital signing retrospectively. Learn what happens to signature validity, non-repudiation and how timestamps preserve evidence.
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October 28, 2026
Quantum Computing Break Cryptography

Quantum Computing Break Cryptography

Quantum computing breaks RSA, ECDSA and Diffie-Hellman outright, but not AES or SHA-2. See exactly which algorithms fail, which survive, and what replaces them.
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October 26, 2026
PKD Vs PQC

PKD Vs PQC

Quantum key distribution secures key exchange over fibre but cannot authenticate. Compare QKD with post-quantum cryptography and see where each one fits.
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October 24, 2026
Q Day Planning

Q Day Planning

Q-Day treats a probability distribution as a date. Learn the post-quantum meaning behind the term and the six planning units that replace it in practice.
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October 22, 2026
PQC Zero Trust

PQC Zero Trust

Zero Trust replaces network trust with cryptographic proof. What happens to that proof under quantum attack, and why Zero Trust estates migrate faster.
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October 20, 2026
PQC Vendor Support

PQC Vendor Support

OpenSSL PQC, browsers, cloud KMS and AD CS have shipped post-quantum support. See what is production ready today and what is still waiting on standards.
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October 18, 2026
PQC Test Lab

PQC Test Lab

Post-quantum failures are interoperability failures. How to build a test lab that finds them before rollout, and what pqc solutions to prove in it first.
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October 16, 2026
PQC Supplier Due Diligence

PQC Supplier Due Diligence

How to assess post quantum cryptography companies and existing suppliers: the questions that produce evidence, the contract terms, and the red flags.
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October 14, 2026
PQC Performance Key Sizes

PQC Performance Key Sizes

Post quantum algorithms are larger, not slower. See what they cost in handshake size, certificate chains and latency, and how to reduce the overhead.
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October 12, 2026
PQC Endpoint Risk

PQC Endpoint Risk

Endpoints hold certificates, keys and trust stores that most PQC programmes never scan. See what post quantum cyber security means at the device level.
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October 10, 2026
PQC Cloud Key Management

PQC Cloud Key Management

Cloud data at rest is mostly AES and unaffected. The quantum exposure in key management sits in key import, signing keys and the path to the service.
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October 8, 2026
PQC Audit Evidence

PQC Audit Evidence

Auditors want artefacts, not assurances. The evidence set that demonstrates a post quantum secure position, and the findings that come up most often.
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October 6, 2026
Post Quantum Risk Drivers

Post Quantum Risk Drivers

Two organisations in the same sector can carry very different post-quantum cyber security exposure. Here are the seven drivers that explain the difference.
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October 4, 2026
Post Quantum Risk By Sector

Post Quantum Risk By Sector

Post-quantum security exposure is not uniform. Compare quantum risk across defence, healthcare, finance, nuclear, transport and government estates.
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October 2, 2026
Post Quantum Migration Cost

Post Quantum Migration Cost

Most post quantum solutions cost little if specified in refresh cycles already budgeted. What needs direct funding, and what rides existing spend.
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September 30, 2026
Post Quantum Cryptography Regulations

Post Quantum Cryptography Regulations

The NIST post quantum cryptography timeline, NCSC milestones and EU roadmap compared, with the US federal deadlines that now reach contractors too.
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September 28, 2026
Post Quantum Cryptography Governance

Post Quantum Cryptography Governance

Post-quantum security stalls without a named owner. How to place quantum risk on the board register, what to report, and which decisions the board owns.
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September 26, 2026
Post Quantum Cryptography Adoption

Post Quantum Cryptography Adoption

Post quantum cryptography PQC adoption data for 2026: 87% planning, 7% deployed, 0% of scanned domains using post-quantum certificates. What the gap means.
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September 24, 2026
Post Quantum Code Signing

Post Quantum Code Signing

Software signed today runs for fifteen years. How to prepare digital signing for post-quantum, which algorithms to use, and why timestamps are critical.
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September 22, 2026
Nist Post Quantum Algorithms

Nist Post Quantum Algorithms

The NIST PQC algorithms explained: ML-KEM, ML-DSA, SLH-DSA, LMS and HQC, with key sizes, performance and guidance on which to use for each purpose.
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September 20, 2026
Local Government Quantum Readiness

Local Government Quantum Readiness

Councils hold some of the longest-retention records in the public sector. Practical post quantum cyber security steps for authorities without a PKI team.
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September 18, 2026
Hybrid Composite Certificates

Hybrid Composite Certificates

Hybrid, composite, dual and chameleon certificates compared. How post quantum asymmetric encryption is deployed alongside classical algorithms today.
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September 16, 2026
Cryptographic Obsolescence

Cryptographic Obsolescence

Every cipher eventually fails. See how DES, MD5 and SHA-1 fell, how long each took, and why the ability to break encryption is a question of when.
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September 16, 2026
Cryptographically Relevant Quantum Computer

Cryptographically Relevant Quantum Computer

A CRQC is a quantum computer able to break RSA and ECC. See what quantum computing cryptography research requires, and the signals that it has arrived.
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September 14, 2026
Certificate Lifetimes PQC

Certificate Lifetimes PQC

Certificate lifetime sets how fast an algorithm change reaches the estate. How the 47-day schedule becomes the mechanism that delivers PQC migration.
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September 12, 2026
 Legacy PKI Trust Debt: The Five Barriers to Safe Replacement

Legacy PKI Trust Debt: The Five Barriers to Safe Replacement

Legacy PKI carries five forms of trust debt that make replacement risky. What has accumulated, what can safely be carried forward, and how to sequence the work.
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September 11, 2026
How to Modernise Legacy PKI Securely in 2026

How to Modernise Legacy PKI Securely in 2026

How to modernise legacy PKI without breaking production: the security, operational and migration barriers, and a phased approach that de-risks the upgrade.
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September 11, 2026
Certificate Pinning Explained: Risks, Failures and Alternatives

Certificate Pinning Explained: Risks, Failures and Alternatives

What certificate pinning is, why it now creates more operational risk than it removes, what to do when a pin fails, and the alternatives that do not break on renewal.
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September 11, 2026
PQC Readiness: Five Practical Steps That Cost Nothing

PQC Readiness: Five Practical Steps That Cost Nothing

PQC readiness does not start with a budget. Five steps you can take now, what to look for in a quantum-readiness vendor, and why the inventory comes before the algorithms.
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September 11, 2026
What Does Crypto Agility Actually Mean in Practice?

What Does Crypto Agility Actually Mean in Practice?

Crypto agility means changing cryptographic algorithms without re-engineering systems. What that requires across PKI, applications and governance, and why no platform delivers it alone.
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September 11, 2026
Trust Now, Forge Later (TNFL): The PQC Signature Threat

Trust Now, Forge Later (TNFL): The PQC Signature Threat

Quantum computers will be able to forge digital signatures. What Trust Now, Forge Later means for firmware, contracts and identity, and how to assess your exposure.
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September 11, 2026
Harvest Now, Decrypt Later (HNDL): What CISOs Need to Know

Harvest Now, Decrypt Later (HNDL): What CISOs Need to Know

Adversaries are collecting encrypted data now to decrypt once quantum computing arrives. What HNDL means, which data is exposed, and how to assess your organisation's risk.
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September 11, 2026
Ballot SC-081v3: Reduction of Public TLS Certificate Lifetimes

Ballot SC-081v3: Reduction of Public TLS Certificate Lifetimes

Ballot SC-081v3 reduces public TLS certificate validity to 200 days from March 2026, 100 days from 2027 and 47 days from 2029. The schedule, the rationale, and what it means for private PKI.
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September 11, 2026
What is a CBOM? Cryptographic Bill of Materials Explained

What is a CBOM? Cryptographic Bill of Materials Explained

A Cryptographic Bill of Materials inventories every cryptographic asset in your organisation. What a CBOM contains, how it differs from an SBOM, and how to build one.
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September 11, 2026
Is AES Symmetric or Asymmetric? Symmetric Encryption Explained

Is AES Symmetric or Asymmetric? Symmetric Encryption Explained

AES is a symmetric algorithm — one key encrypts and decrypts. How symmetric encryption works, why AES-256 remains quantum-safe, and where key management actually fails.
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September 11, 2026
Certificate Management Protocols: CMP vs ACME vs EST vs SCEP

Certificate Management Protocols: CMP vs ACME vs EST vs SCEP

Technical comparison of certificate management protocols. When to use CMP, ACME, EST, or SCEP for enterprise PKI, DevOps, IoT, and network device enrolment
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September 11, 2026
Understanding X.509 Digital Certificates: SSL and TLS Explained

Understanding X.509 Digital Certificates: SSL and TLS Explained

What an X.509 certificate contains, how SSL/TLS uses it, the difference between public and private certificates, and how to get one issued.
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September 11, 2026
What is Encryption? Symmetric, Asymmetric and Quantum-Safe

What is Encryption? Symmetric, Asymmetric and Quantum-Safe

Encryption explained: how symmetric and asymmetric encryption differ, which algorithms are in use today, why key management fails more often than algorithms do, and what quantum computing changes.
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September 11, 2026
What Is an Encryption Key? Types, Algorithms and Security

What Is an Encryption Key? Types, Algorithms and Security

What are encryption keys and why do they matter? Symmetric and asymmetric keys, key length and algorithms, how keys are protected, and what post-quantum means for them.
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September 11, 2026
Zero Trust PKI: Why Certificate Infrastructure Decides Success

Zero Trust PKI: Why Certificate Infrastructure Decides Success

Zero Trust requires cryptographic proof of identity for every request. Why certificate infrastructure is usually the constraint, and what to fix before deploying ZTNA.
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September 11, 2026
PKI 101: A Plain-English Guide to Digital Certificates

PKI 101: A Plain-English Guide to Digital Certificates

PKI explained without jargon: what certificates do, how trust is established, and where PKI already operates in your organisation.
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September 11, 2026
What is post quantum cryptography?

What is post quantum cryptography?

Post-quantum cryptography is designed to resist attack by quantum computers. The NIST standards, which algorithms are at risk, and what organisations should do before 2030.
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September 11, 2026
Certificate Lifecycle Management Business Case

Certificate Lifecycle Management Business Case

How to build your CLM business case for 47-day certificates and post-quantum migration.
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September 10, 2026
CLM Vendor Comparison 2026: Keyfactor vs Venafi vs DigiCert, Pricing and Licensing

CLM Vendor Comparison 2026: Keyfactor vs Venafi vs DigiCert, Pricing and Licensing

Independent comparison of Keyfactor, Venafi, DigiCert, Sectigo, Entrust and Certdog. Seven licensing models, pricing ranges and total cost of ownership.
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September 10, 2026
The Importance of Digital Trust: Why PKI Underpins It

The Importance of Digital Trust: Why PKI Underpins It

Digital trust rests on four cryptographic properties: identity, integrity, confidentiality and non-repudiation. How PKI delivers them, and what shortening certificate lifetimes change.
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September 10, 2026
What is Certificate Lifecycle Management? A 2026 Guide

What is Certificate Lifecycle Management? A 2026 Guide

Certificate lifecycle management explained: the seven stages, why manual tracking fails, and what 47-day TLS certificates mean for your renewal volume.
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September 9, 2026
How to Choose a Hardware Security Module: A Vendor-by-Vendor Guide

How to Choose a Hardware Security Module: A Vendor-by-Vendor Guide

Choosing a hardware security module? Compare Thales, Entrust, Utimaco, Futurex, Crypto4A, IBM, Securosys and Fortanix against the criteria that determine fit.
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September 8, 2026
In-House, Consultancy or Managed Service: Choosing the Right PKI Operating Model

In-House, Consultancy or Managed Service: Choosing the Right PKI Operating Model

In-house, consultancy or managed service? A clear comparison of the three PKI operating models by cost, risk, skills dependency and suitability.
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July 15, 2026
Ten Questions to Ask Any PKI Consultancy Before You Engage Them

Ten Questions to Ask Any PKI Consultancy Before You Engage Them

Choosing a PKI consultancy? Ten questions that separate genuine specialists from generalists, covering independence, expertise, delivery and support.
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July 14, 2026
How Mature Is Your PKI? A Framework for Self-Assessment

How Mature Is Your PKI? A Framework for Self-Assessment

A practical framework for assessing PKI maturity across governance, visibility, automation and post-quantum readiness. Find out where your estate stands.
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July 13, 2026
Scoping a PKI Requirement: What to Include Before You Approach the Market

Scoping a PKI Requirement: What to Include Before You Approach the Market

The most common gaps in PKI tender specifications, and how poorly scoped requirements inflate cost and delivery risk. A practical guide for buyers.
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July 12, 2026
Building the Internal Business Case for a PKI Engagement

Building the Internal Business Case for a PKI Engagement

How does a security lead justify PKI investment internally? A practical guide to framing the risk, the cost of inaction, and scoping an approvable first step.
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July 11, 2026
How to Buy PKI Services Through G-Cloud, DOS and Cyber Security Services 3

How to Buy PKI Services Through G-Cloud, DOS and Cyber Security Services 3

Unsung is listed on the main UK public sector frameworks. A short guide to which route suits which engagement, and how buyers can find and engage us.
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July 10, 2026
From Discovery to Go-Live: How a PKI Design and Build Engagement Runs

From Discovery to Go-Live: How a PKI Design and Build Engagement Runs

How does a PKI design and build engagement actually run? Unsung walks through each phase from discovery to go-live, and where projects most often lose time.
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July 9, 2026
What a PKI Support Service Actually Looks Like Month to Month

What a PKI Support Service Actually Looks Like Month to Month

What does a retained PKI support service actually involve? Unsung explains the onboarding, monthly support rhythm, quarterly reviews and governance in detail.
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July 8, 2026
Inside a PKI Health Check: How We Assess, Grade and Report on Your Estate

Inside a PKI Health Check: How We Assess, Grade and Report on Your Estate

What actually happens during a PKI health check? Unsung walks through the engagement from kick-off to findings report, what we examine and what you receive.
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July 7, 2026
Digital Trust in 2026: Eight Shifts Shaping the Year in Cryptographic Security

Digital Trust in 2026: Eight Shifts Shaping the Year in Cryptographic Security

Our 2026 outlook on the forces reshaping cryptographic security: automation becoming mandatory, post-quantum readiness, content provenance and machine identity.
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June 8, 2026
The End of Public TLS Certificates for mTLS: Choosing the Right PKI Hierarchy

The End of Public TLS Certificates for mTLS: Choosing the Right PKI Hierarchy

Browsers are withdrawing trust for certificates used in both server and client roles, ending public TLS for mTLS. How to choose a private or non-Web PKI hierarchy instead.
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June 7, 2026
Code-Signing Certificates Move to 460 Days: What Changes and How to Prepare

Code-Signing Certificates Move to 460 Days: What Changes and How to Prepare

The maximum code-signing certificate validity is moving to 460 days. What it means operationally, and how cloud and HSM-backed signing keep you compliant without the pain.
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June 6, 2026
DNS-PERSIST-01 Explained: A Simpler, Safer Path to Certificate Automation

DNS-PERSIST-01 Explained: A Simpler, Safer Path to Certificate Automation

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June 4, 2026
Beyond Detection: How Cryptographic Content Provenance Answers the Deepfake Problem

Beyond Detection: How Cryptographic Content Provenance Answers the Deepfake Problem

Why detection is losing the race against deepfakes, and how cryptographic content provenance and the C2PA standard provide verifiable proof of origin.
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June 3, 2026
Payment HSMs: Meeting DORA, PCI DSS and FIPS 140-3

Payment HSMs: Meeting DORA, PCI DSS and FIPS 140-3

How hardware security modules underpin compliant, high-volume payments under DORA, PCI DSS and FIPS 140-3, and how to build them into your cryptographic estate.
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June 2, 2026
Application and Infrastructure Transformation for PQC: What Your Technology Estate Means for Readiness

Application and Infrastructure Transformation for PQC: What Your Technology Estate Means for Readiness

Your PQC readiness journey depends on your technology estate. Learn what SaaS, IaaS and on-premise organisations need to consider for post-quantum transformation.
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April 27, 2026
Why Post-Quantum Cryptography Is a Business Transformation, Not an Algorithm Swap

Why Post-Quantum Cryptography Is a Business Transformation, Not an Algorithm Swap

Post-quantum cryptography is not just a technical upgrade. Learn why PQC demands enterprise-wide transformation and how to approach it strategically.
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April 20, 2026
PQC Support vs Performance: Why Vendor Claims Need Scrutiny

PQC Support vs Performance: Why Vendor Claims Need Scrutiny

Many vendors claim PQC support, but how do their products perform under real-world conditions? Learn why the gap between marketing and operational performance matters.
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April 13, 2026
PQC and Legacy IT: How Architectural Wrappers Can Bridge the Gap

PQC and Legacy IT: How Architectural Wrappers Can Bridge the Gap

Not every system can be upgraded for PQC. Learn how architectural wrappers provide a practical, risk-managed approach to protecting legacy technology in the quantum era.
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March 30, 2026
Cryptographic Discovery and Inventory: Where to Start

Cryptographic Discovery and Inventory: Where to Start

You cannot manage what you cannot see. How cryptographic discovery works, what a complete inventory contains, and how to build the baseline post-quantum migration depends on.
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March 23, 2026
What It’s Really Like Managing PKI Implementation & Migration Projects

What It’s Really Like Managing PKI Implementation & Migration Projects

Managing PKI implementation requires more than just technical skills. Learn how strong governance and stakeholder management drive successful PKI migrations.
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March 9, 2026
Lessons from Previous Hype Cycles: Why PQC Must Not Repeat the Mistakes of Cloud and Big Data

Lessons from Previous Hype Cycles: Why PQC Must Not Repeat the Mistakes of Cloud and Big Data

Post-quantum cryptography risks repeating the costly mistakes of cloud and big data migrations. Learn why PQC demands a business-led strategy, not just new technology.
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February 23, 2026
Unsung and Cryptomathic Announce Partnership to Deliver Enterprise Key Management Solutions

Unsung and Cryptomathic Announce Partnership to Deliver Enterprise Key Management Solutions

Unsung announces a strategic partnership with Cryptomathic, combining CrystalKey 360 enterprise key management with specialist PKI consultancy and delivery.
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February 20, 2026
Unsung and Krestfield Announce Strategic Partnership to Deliver Certificate Lifecycle Management Solutions

Unsung and Krestfield Announce Strategic Partnership to Deliver Certificate Lifecycle Management Solutions

Strategic partnership between Unsung and Krestfield to deliver Certdog certificate lifecycle automation for Microsoft AD CS and hybrid PKI environments.
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February 5, 2026
Post-Quantum Cryptography: Preparing Your PKI for Quantum Computing

Post-Quantum Cryptography: Preparing Your PKI for Quantum Computing

Understand post-quantum cryptography and how to prepare your PKI for quantum computing. Balanced guidance from Unsung's cryptography specialists.
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February 5, 2026
G7 Cyber Expert Group Sets 2035 Target for Post-Quantum Cryptography Transition in Financial Services

G7 Cyber Expert Group Sets 2035 Target for Post-Quantum Cryptography Transition in Financial Services

The G7 Cyber Expert Group has released a coordinated roadmap for post-quantum cryptography transition in financial services, with a 2035 migration target.
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January 14, 2026
Unsung and Crypto4A Announce Strategic Partnership to Deliver Quantum-Safe Cryptographic Infrastructure

Unsung and Crypto4A Announce Strategic Partnership to Deliver Quantum-Safe Cryptographic Infrastructure

Unsung and Crypto4A have formed a strategic partnership to deliver quantum-safe cryptographic infrastructure, combining Unsung's PKI expertise with Crypto4A’s post-quantum technology to future-proof cybersecurity systems against quantum-era threats.
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January 13, 2026
Overcoming Resistance to Automation in Certificate Management

Overcoming Resistance to Automation in Certificate Management

Learn how to overcome resistance to CLM automation and align certificate management with business outcomes.
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December 7, 2025
Inside an Enterprise CLM Deployment: Key Features to Look For

Inside an Enterprise CLM Deployment: Key Features to Look For

Use this checklist to evaluate enterprise CLM solutions that ensure security, scalability, and compliance.
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December 6, 2025
The Four Pillars of CLM - Applicability, Visibility, Availability, and Automation:

The Four Pillars of CLM - Applicability, Visibility, Availability, and Automation:

Explore the four pillars of effective certificate lifecycle management—governance, automation, visibility, and integration.
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December 5, 2025
The Real Cost of Expired Certificates (and How CLM Prevents It)

The Real Cost of Expired Certificates (and How CLM Prevents It)

Discover the business risks and financial impact of expired certificates—and how proactive PKI can prevent them.
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December 4, 2025
Keyfactor Command 25.4: Elevating Certificate Lifecycle Management with Unified Intelligence

Keyfactor Command 25.4: Elevating Certificate Lifecycle Management with Unified Intelligence

Explore what's new in Keyfactor Command 25.4, including EJBCA integration, enhanced risk visibility and custom dashboards. Discover how Unsung supports clients with expert PKI design, implementation and managed services.
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December 3, 2025
Why Traditional Certificate Management Is No Longer Enough

Why Traditional Certificate Management Is No Longer Enough

Find out why legacy certificate management fails today’s needs and how automation reduces security risk and outages.
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December 3, 2025
Digital Identity in Government: Lessons from Estonia, Spain, and Beyond

Digital Identity in Government: Lessons from Estonia, Spain, and Beyond

Learn how governments use PKI to protect digital identities, ensure data integrity, and deliver trusted public services.
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December 1, 2025
From Cockpits to Shopping Carts: PKI in Aviation and E-commerce

From Cockpits to Shopping Carts: PKI in Aviation and E-commerce

Discover how PKI secures aviation systems and e-commerce transactions through encryption and strong authentication.
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November 30, 2025
Everyday Examples of PKI in Action

Everyday Examples of PKI in Action

See how PKI secures daily digital interactions, from online banking to smart devices, ensuring trust and compliance.
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November 29, 2025
Quantum-Safe PKI for Transport: Preparing Critical Infrastructure for Cryptographic Transition

Quantum-Safe PKI for Transport: Preparing Critical Infrastructure for Cryptographic Transition

Quantum computing will eventually break today’s widely used encryption. This article explains why UK transport operators must begin planning for quantum-safe Public Key Infrastructure (PKI) and Certificate Lifecycle Management (CLM) to protect rail, highways, aviation, and public transport systems.
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November 27, 2025
PKI Maturity in Transport: A Practical Guide to Advancing CLM Capabilities

PKI Maturity in Transport: A Practical Guide to Advancing CLM Capabilities

As digital transport networks expand, UK operators need stronger PKI and Certificate Lifecycle Management (CLM) maturity. This article explains the five stages of PKI maturity and how transport organisations can move from manual certificate tracking to automation and crypto-agile trust.
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November 26, 2025
PKI in UK Transport: Why Digital Trust Now Determines Service Reliability

PKI in UK Transport: Why Digital Trust Now Determines Service Reliability

The UK transport sector is entering a new era of digital connectivity, making Public Key Infrastructure (PKI) essential for service reliability, cybersecurity, and passenger confidence. Learn why PKI and Certificate Lifecycle Management are now critical to rail, highways, aviation, and public transport.
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November 25, 2025
PKI for Intelligent Transport Systems: Securing V2X and Smart Motorway Communication

PKI for Intelligent Transport Systems: Securing V2X and Smart Motorway Communication

Connected and intelligent transport systems depend on trusted machine-to-machine communication. This article explains how Public Key Infrastructure (PKI) and Certificate Lifecycle Management (CLM) protect V2X, smart motorways, and roadside infrastructure across the UK transport network.
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November 24, 2025
CLM for Multi-Vendor Transport Supply Chains: Securing Third-Party Access and Device Trust

CLM for Multi-Vendor Transport Supply Chains: Securing Third-Party Access and Device Trust

Transport organisations rely on complex supplier ecosystems, outsourced operations, and technology partners. This article explains how Certificate Lifecycle Management (CLM) strengthens trust, identity, and secure access across multi-vendor transport supply chains.
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November 23, 2025
Certificate Outages in Critical Infrastructure: Preventing Transport Disruption with CLM

Certificate Outages in Critical Infrastructure: Preventing Transport Disruption with CLM

Expired or misconfigured digital certificates are a leading cause of service disruption in critical infrastructure. This article explains how Certificate Lifecycle Management (CLM) helps UK transport operators prevent outages, strengthen cybersecurity, and protect public confidence.
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November 22, 2025
Certificate Lifecycle Automation for Rail Networks: Protecting ETCS and Control Systems

Certificate Lifecycle Automation for Rail Networks: Protecting ETCS and Control Systems

Modern rail networks depend on secure signalling and control systems. This article explains how automated Certificate Lifecycle Management (CLM) protects European Train Control System (ETCS) components, prevents outages, and strengthens digital trust across the UK rail sector.
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November 21, 2025
Aviation PKI: Certificate Management for Airside Devices, Radar Systems, and Ground Operations

Aviation PKI: Certificate Management for Airside Devices, Radar Systems, and Ground Operations

Airports and aviation networks rely on secure digital communication for airside access, radar systems, flight operations, and ground services. This article explains how Public Key Infrastructure (PKI) and Certificate Lifecycle Management (CLM) strengthen aviation cybersecurity and reduce disruption risks.
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November 20, 2025
Too Many Tools, Too Little Time: Making Automation Work Across Silos

Too Many Tools, Too Little Time: Making Automation Work Across Silos

A deep dive into why certificate automation often fails at the organisational edges and how to overcome siloed tools, fragmented processes, and limited visibility. Learn practical steps to unify automation, reduce outages, and strengthen crypto-security across complex environments.
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November 18, 2025
Navigating the NIST Post-Quantum Cryptography (PQC) Roadmap

Navigating the NIST Post-Quantum Cryptography (PQC) Roadmap

NIST has set firm deadlines for phasing out RSA and ECC, with post-quantum cryptography becoming essential by 2030. Learn what the roadmap means, the risks of delay, and how Unsung helps organisations transition to a quantum-secure future.
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September 16, 2025
Active Directory Certificate Services in Modern IT

Active Directory Certificate Services in Modern IT

Is ADCS holding your PKI back? Explore replacement options, migration paths, and real-world case studies. 20+ successful migrations delivered.
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September 11, 2025
What Is PKI? Public Key Infrastructure Explained (2026)

What Is PKI? Public Key Infrastructure Explained (2026)

Public key infrastructure explained: what PKI is, how certificates and keys actually work, where it sits in your organisation, and what shortening certificate lifetimes change.
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August 7, 2025
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Testimonials

Hear from clients who trust Unsung to deliver secure, reliable PKI solutions.

That’s the most informative conversation we have had about PKI in 4 years of dealing with PKI suppliers

This is the first time we have felt like we are dealing with an organisation that really knows about PKI

You always tailor your services to the customer and willing to go the extra mile

Flexibility. Can do attitude, willingness to go above and beyond or to help out with issues

Professional and knowledgeable. The team are flexible enough to accommodate 'urgent' issues and respond accordingly

The way you manage the delivery lifecycle provides transparency and effective management of risk

The quality of your outputs has made an important contribution to achieving our tight timeline’s