We are Odyssey

your ONE Strategic
Partner in Cybersecurity

About Us

Odyssey is a leader in Cybersecurity, supporting organizations around the globe in their cyber resilient journey by building an effective and applicable Cybersecurity Strategy.

For more than two decades Odyssey empowers customers to adhere to compliance requirements and effectively manage their digital risks, in all operational aspects of their organization: People, Process and Technology.

Odyssey’s holistic approach combines five pillars of solutions, services and products: Advisory Services (GRC), Integrated Solutions, Cloud Security, ClearSkies™ Threat & Vulnerability Management Platform and Managed Security / Detection & Response Services (MSDR). Each of the five pillars, both separately or combined, enable organizations to able to effectively anticipate, respond, swiftly recover, and adapt to the destructive threats of a dynamically expanding threat landscape.

Odyssey is ISO 27001, ISO 9001 and ISO 22301 certified, SOC 2® Type 2 attested, and accredited by the Payment Card Industry Security Standards Council (PCI SSC) as a Qualified Security Assessor (QSA). Odyssey has received numerous global awards and recognitions, such as its inclusion in Gartner’s Magic Quadrant for Security Information and Event Management for its ClearSkies™ SIEM. Additionally, the company has been certified as a Great Place to Work® for three consecutive years.


Founded in Nicosia, Cyprus

Signed 1st 24/7 Security Monitoring & Device Management contract with an international financial organization

Opened local office in Athens, Greece

Expanded MSS Security Operations Center (SOC) to Athens, Greece

Released the "Cyber Threat Alert" service

Launched MSS Secure Web Portal

Signed the 1st MSS contract with an organization with offices in multiple countries

Signed with an international financial organization to design, implement and support their Information Network & Security Infrastructure

Launched ClearSkiesTM NG SIEM

  • Established "IthacaLabsTM" Threat Intelligence Unit
  • Acquired ISO 27001
  • Acquired PCI QSA Accreditation

  • Launched ClearSkiesTM Big Data Security Analytics Platform
  • Transitioned ClearSkiesTM SIEM to Big Data & Security Analytics Platform
  • Released ClearSkiesTM NG iCollector v1.0
  • Acquired PCI ASV Accreditation
  • Released ClearSkiesTM NG Endpoint Agent v1.0
  • 2014
    Won the "Data Impact Awards" in the "Operational Analytics" category for "Most Admirable Architecture" for ClearSkiesTM Platform

    Opened local office in New York, USA

    Released ClearSkiesTM NG Endpoint Agent v5.0 Enterprise edition with FIM & Antimalware capabilities

  • Expansion to the Middle East
  • Launched an intelligent User & Entity Behavior Analysis (UEBA) model on the ClearSkies™ Platform.
  • 2018
    ONE Strategic Partner helping organizations effectively address the Digital Risks posed during and after their Digital Transformation journey

    Odyssey is included in 2021 Gartner’s Magic Quadrant for ClearSkies™ Cloud SIEM

  • Celebrating 20 Years
  • Expand to UK
  • Management Team

    Eleftherios Antoniades

    Founder & CTO

    Christos Onoufriou


    Apostolos Pandroulas

    General Manager (Greece)

    Georgia Kaishiari

    Director of Service Delivery

    Constantinos Constanti

    Constantinos Constanti

    Director of Cloud Services Architecture

    Harris Stylianides

    Harris Stylianides

    Director of Business Development

    Evagoras Nicolaou

    Manager of Business Development

    Irene Selia

    Irene Selia

    Head of Global Development, ClearSkies™

    Polina Antoniou

    Manager of Research & Development, ClearSkies™

    Christiana Kozakou

    Head of Marketing

    Irena Hadjivassiliou

    Head of Human Resources



    To be the leading organization in the wider region in the areas of Cybersecurity, Infrastructure and Risk Management Services and related Managed Security Services creating real and sustainable value for our clients, employees and shareholders



    To be the recognized leader in the regional Cybersecurity, Infrastructure, Risk Management and Managed Security Services market, projecting trust in our experience and skills, and consistently delivering a high quality experience to our clients




    We transform innovative ideas into progressive products and solutions that proactively address information security trends and challenges.


    We strive towards perfection by instilling into our people the sense of leadership, ownership and perseverance, which we support through a corporate culture of strong teamwork, mutual respect, and professionalism.


    We place our customers at the center of our business equation. Our unconditional commitment is to be ahead of their needs and constantly exceed their expectations by delivering high quality, adaptive and robust solutions. We develop and maintain long-term relationships with our customers who perceive us as a valuable business associate.

    Awards & Certifications

    Odyssey is an ISO 27001 certified organization, and has been accredited by the Payment Card Industry Security Standards Council (PCI SSC) as a Qualified Security Assessor (QSA).



    Technology Partners