Thomas Stavros

Thomas Stavros

PKI Implementer · eIDAS Specialist · Trust Services Consultant

Building digital trust through PKI and eIDAS expertise. Over a decade of experience helping organizations design secure, compliant, and future-ready trust infrastructures.

PKI Terminal

About Me

I am a PKI and eIDAS specialist with more than ten years of experience in information security, focusing on cryptography and digital trust services. Since 2015, I have been involved in the design, deployment, and optimization of Public Key Infrastructure (PKI) environments for both public and private sector organizations.

Professional Experience

Professional Services Manager

ADACOM Cyber Security
Jun 2020 – Present | Greece

Leading the consulting and delivery of Qualified PKI environments for eIDAS-compliant signatures and seals.

Trust Services Engineer

ADACOM Cyber Security
Jun 2017 – Jun 2020 | Greece

Supported clients in deploying enterprise PKI systems and remote signing platforms.

PKI Associate

ADACOM Cyber Security
Nov 2015 – Jun 2017 | Greece

Provided technical support and lifecycle management for digital certificates.

Core Skills & Education

Education

  • B.Sc. Computer Science & Telecommunications
    University of Thessaly, Greece

  • Certifications in commercial PKI platforms
    DigiCert, Entrust, Ascertia and more

PKI Expertise

  • Design & deployment of Qualified and Enterprise PKI systems
  • Certificate Policies & Practices (CP/CPS) authoring
  • CA/RA operations, OCSP/CRL, Timestamping (TSA)
  • HSM integration & key ceremony execution
  • Remote signing and QSCD deployments

Frameworks & Standards

  • eIDAS Regulation (EU 910/2014)
  • ETSI EN 319 401/411/421/422/431/432
  • RFC 3647, 5280, 6960, ISO 27001 alignment
  • PKI audits & conformity assessments
  • OpenSSL, EJBCA, MS CA, Entrust, nShield/Thales HSMs

Let's Talk

Ready to strengthen your organization's digital trust infrastructure?