09/03/2026 updated

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Independent IT & Cybersecurity Consultant | Interim CISO | C-Level Advisory

Athens, Greece
Only remote
CISSP (ISC)²
Athens, Greece
Only remote
CISSP (ISC)²

Profile attachments

Ioannis_Rizos_Freelancer_Profile.docx

AI AgentsNIS 2Zero TrustISO 27001IAMDORAMicrosoft AzureCertified Information Systems Security ProfessionalCertified Information Security ManagerComputer SecurityCertified Regulatory Compliance ManagerCertified in Risk and Information Systems ControlDisaster RecoveryDue DiligenceIncident ResponseGlobal Information Assurance CertificationInformation AssuranceInformation Security ManagementInternet Protocol Security (IP SEC)Information Systems Security Engineering ProfessionalNetwork SecuritySecurity Information and Event ManagementCertified Information Systems AuditorCertified Secure Software Lifecycle ProfessionalSoftware SecurityIT Security Solutions
Cybersecurity Advisory & Programme Design
Extensive expertise in cybersecurity programme design, including EDR, SOC/MDR, SIEM, incident response planning, tabletop exercises, and end-to-end ownership. Certified CISSP and Certified AI Security Specialist (CAISS) with hands-on delivery across maritime and industrial environments.

Regulatory Compliance (NIS2, DORA, ISO 27001, NIST CSF, GDPR)
Deep knowledge of EU and international cybersecurity regulatory frameworks including NIS2, DORA, ISO 27001, NIST CSF v2.0, GDPR, and IMO CRM. Practical experience implementing compliance programmes and providing board-level reporting on regulatory developments.

IT/OT Convergence & Maritime Technology
Specialist expertise in IT/OT convergence within maritime and industrial sectors, covering network segmentation, zone architecture design, multi-site fleet management across Windows, macOS, and Linux, and operational technology security aligned with IMO requirements.

Identity Architecture & Zero Trust
Proficiency in identity architecture using SAML/SCIM, MFA, and Zero Trust frameworks, including Microsoft Entra ID and Microsoft 365 environments.

Cloud Infrastructure (Microsoft Azure, Microsoft 365, Defender)
Hands-on experience managing cloud environments including Microsoft Azure, Microsoft 365, and Microsoft Defender across hybrid-cloud, multi-site organisations.

MSP Governance & Vendor Management
Experience in MSP governance covering SLA design, performance management, vendor evaluation, contract negotiation, and cost optimisation.

AI Security & Enterprise AI Adoption Strategy
Certified AI Security Specialist (CAISS) with expertise in AI security strategy, enterprise AI adoption governance, and establishing guardrails for responsible AI use in practice.

M&A / PE Technology Due Diligence
Active expert consultant engaged by private equity firms, investment funds, and management consultancies for technology and cybersecurity due diligence, sector intelligence, and strategic advisory.

Risk Assessment & Policy Frameworks
Skilled in risk assessment, policy framework development, and board-level reporting, supporting organisations in building robust governance structures aligned with international standards.

Languages

EnglishFluent

Project history

EU Independent Expert - Cybersecurity

ECCC (European Cybersecurity Competence Centre)
Registered as an independent evaluator (EX2026D1488046) for EU-funded cybersecurity research and innovation programmes. Engaged to assess proposals and provide domain expertise on maritime OT security, critical infrastructure protection, NIS2 implementation, and enterprise security architecture.

Expert Consultant - Technology & Cybersecurity

Dialectica, GLG, AlphaSights
Retained by global expert networks to advise investment funds, PE firms, and management consultancies on maritime technology, IT infrastructure strategy, OT security, and cybersecurity trends. Typical engagements include sector intelligence calls, technology due diligence support, and market assessment for cybersecurity tooling and MSP services.

Board Member - Technology & Cybersecurity Committee

AMMITEC (Association of Maritime IT Executives, Greece)
Contributing board-level governance and strategic direction for the professional body representing maritime IT leadership in Greece. Advisory input on NIS2/DORA regulatory developments affecting the sector, AI adoption in maritime operations, and industry cybersecurity benchmarking.

Head of ICT - Operational Leadership

Dynagas Ltd & SeaThrust Ltd
De facto CISO and IT Director across two maritime organisations. Delivers hands-on programme execution including identity architecture, EDR/MDR operations, incident response, NIS2/DORA compliance, and MSP governance across a multi-site, hybrid-cloud environment.

ICT Manager

Millenia Maritime Inc.
ICT management role within a maritime organisation, overseeing IT infrastructure and technology operations.

Senior Service Engineer

Kongsberg Maritime / Borbilas Marine Automations
Hands-on OT engineering role with Kongsberg Maritime, contributing to marine automation and operational technology systems in the maritime sector.

Certificates

Strategic Design&Res Man/nt for Sustainable Dev/nt

GlobalCert

2025

Certified Data Privacy Manager

Ampcus Cyber

2024

Certified NIST CSF v2.0 Specialist

Ampcus Cyber

2024

Certified AI Security Specialist (CAISS)

Ampcus Cyber

2024

Agile Scrum Foundation

Simplilearn

2024

Certified Information Sys Sec Professional (CISSP)

Simplilearn

2023


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