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Dionysis K.DK

Dionysis K.

vCISO | GRC Auditor | AI & IT Governance

€450/day
Thessaloniki, GR
3-7 years
Cybersecurity Architecture
Microsoft Security Stack
GRC & ISO 27001
Risk Assessment & Audit Readiness
Incident Response & Threat Investigation

Average response time: 1 hour

About Dionysis

Providing vCISO and cybersecurity consulting services focused on governance, risk management, compliance, and Microsoft security technologies.

Experienced in ISO/IEC 27001, NIS2 readiness, security assessments, policy development, risk analysis, audit support, and security architecture design.

Specialized in:
• GRC & Security Governance
• ISO 27001 & NIS2
• Microsoft Intune, Defender XDR & Entra ID
• Risk Management & Security Assessments
• Security Policies & Compliance Frameworks
• Identity & Access Management
• Endpoint Security & Hardening
• AI & IT Governance

Helping organizations improve security posture, reduce operational risk, and strengthen compliance maturity through practical and scalable security strategies.

  • Greek

    Native or bilingual

  • English

    Fluent

Can work on-site
Thessaloniki (up to 50km)

Experience

  • https://grchub.dev
    Founder & Creator
    DIGITAL AND IT
    February 2026 - Today (4 months)
    Thessaloniki, Greece
    The platform is built around practical GRC operations, including risk register management, compliance mapping, evidence management, policy lifecycle tracking, audit findings and executive-level reporting.
    GRC & ISO 27001 Risk Assessment & Audit Readiness
  • Fiverr Platform
    Freelance IT & Cybersecurity Consultant
    DIGITAL AND IT
    November 2025 - Today (7 months)
    Thessaloniki, Greece
    • • Providing on-demand consulting services in IT infrastructure, cybersecurity, and compliance.
    • • Delivering technical troubleshooting, configuration guidance, and security hardening for SMEs.
    • • Managing client engagements, scoping requirements, and delivering high-quality technical solutions.
  • Pigadia Ski Resort
    Industrial Network Architecture
    December 2025 - February 2026 (2 months)
    Designed and implemented a production-grade Layer 3 network architecture for a distributed ski resort access control and parking automation environment.
Check out Dionysis's experience

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Education

  • NIS 2 Directive Trained Professional (NIS2DTP) Certified Access Management Specialist (CAMS) Fortinet Certified Associate Cybersecurity Microsoft Defender for Endpoint Ninja Training ISO/IEC 27001 - Information Security Management Systems
    NIS 2 Directive Trained Professional (NIS2DTP) Certified Access Management Specialist (CAMS) Fortinet Certified Associate Cybersecurity Microsoft Defender for Endpoint Ninja Training ISO/IEC 27001 - Information Security Management Systems
  • QRadar
    SIEM Foundation
    QRadar
Check out Dionysis's education

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