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SK ID Scales Digital Identity with Zero Incidents Using Keyfactor EJBCA

SK ID Solutions replaced an end-of-life PKI platform with Keyfactor EJBCA to support rapid international growth and new digital identity services. The migration enabled the company to migrate 20 million certificates to Keyfactor with zero incidents while improving stability, scalability, and operational efficiency.

20 million
certificates migrated successfully
20+
countries supported with scalable identity services
Zero
PKI related-incidents since implementation

SK ID Solutions provides digital identity and trust services to millions of users across Europe and beyond. As demand for its services grew, the company’s legacy PKI platform was reaching end-of-life and could no longer scale to support new markets, products, or customer expectations.

With Keyfactor EJBCA, SK ID modernized its PKI infrastructure and standardized operations on a Linux-based platform. The transition enables the company to scale confidently, launch new services faster, and maintain uninterrupted service delivery while strengthening trust with customers, partners, and regulators.

The Challenge

SK ID Solutions replaced an end-of-life PKI platform with Keyfactor EJBCA to support rapid international growth and new digital identity services. The migration enabled the company to migrate 20 million certificates to Keyfactor with zero incidents while improving stability, scalability, and operational efficiency.


  • Scalability

    The existing PKI platform could not support growing certificate volumes or international expansion.

  • Barriers to innovation

    Legacy systems slowed the rollout of new digital identity products and services.

  • Infrastructure complexity

    Managing both Windows Server and Linux environments increased operational overhead and risk.

The Solution

Modern, Linux-Based PKI at Scale

SK ID selected Keyfactor EJBCA after a competitive evaluation focused on scalability, migration flexibility, and long-term partnership. Keyfactor provided a clear migration path for existing processes and millions of certificates while aligning with SK ID’s Linux-based infrastructure strategy. Keyfactor’s roadmap and commitment to post-quantum security also supported SK ID’s long-term vision.

We have had no incidents in the 18 months since we rolled out Keyfactor EJBCA. It has been incredibly stable and is helping maintain our reputation as a Quality Trust Service Provider.

Mihkel Tammsalu Head of Trust Services, SK ID Solutions

Business Impact

Working with Keyfactor, SK ID successfully migrated 20 million certificates and four core digital identity solutions without disruption. Since implementation, the company has experienced zero PKI platform incidents, strengthening its reputation as a trusted provider of qualified trust services. Standardizing on a Linux-based PKI platform reduced complexity, eliminated legacy systems, and improved operational efficiency.

  • Incident-free operations at scale

    Zero PKI incidents since rollout ensure uninterrupted digital identity services and customer trust.

  • Faster innovation and growth

    SK ID can now launch new services more quickly while expanding into additional markets.

  • Simplified and standardized infrastructure

    Consolidating PKI on Linux reduced administrative overhead and freed resources for strategic initiatives.

It’s one thing to have EU certification, but showing customers and partners zero disruptions since adopting Keyfactor massively boosts credibility.

Mihkel Tammsalu Head of Trust Services, SK ID Solutions

Customer Details

Industry
Identity Solutions
Location
Tallinn, Harjumaa, Estonia
# Employees
100+
Products & Services Used
Keyfactor EJBCA
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