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AVSec Advisory is a boutique cybersecurity advisory firm based in Athens, Greece, serving private and public sector organizations across Greece and the EU.
We provide senior-level, direct engagement across Virtual CISO (vCISO), NIS2 compliance (Greek Law 5160/2024), ISO/IEC 27001 implementation, GDPR, DORA readiness, risk assessments, security audits, and AI governance (EU AI Act, ISO/IEC 42001).
Founder Angelos Varthalitis brings 20+ years of CISO-level experience across transportation, financial services, and critical infrastructure. Active DBA candidate researching Shadow AI governance.
Client mix: municipalities, healthcare organizations, CySEC-regulated firms, and private enterprises across Southern and Eastern Europe.
Certifications: C)CSSM, C)CSSA, CM)CSSA, C)ISMS-LA/LI, C)AICSO, C)ISSO-A (Mile2/ANAB); ISO 27001 Internal Auditor (Exemplar Global); EU GDPR DPO; NIST CSF.
AVSec Academy (academy.avsecadvisory.eu) delivers cybersecurity awareness and compliance training for boards, executives, and security teams.
"Your CISO, without the complexity."
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Min project size
$1,000+
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Hourly rate
$100 - $149 / hr
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Employees
2 - 9
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Year founded
Founded 2026
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Our Story
AVSec Advisory was founded in 2026 to bring boutique, senior-level cybersecurity leadership to organizations that deserve more than a generic playbook or a junior consultant.
Our mission is simple: help Greek and EU businesses navigate NIS2, ISO 27001, GDPR, and DORA without the complexity of big-firm engagements. Every client works directly with an experienced CISO — not a delegated team.
We believe cybersecurity is a business enabler, not a checklist.
"Your CISO, without the complexity."
What Sets Us Apart
Direct CISO Engagement, Not Delegated Teams
Every engagement is led directly by a senior CISO with 20+ years of hands-on governance experience. You don't get a slide deck from a partner and implementation from juniors — you get one experienced advisor accountable from first meeting to final audit. Boutique by design.Greek NIS2 & EU Regulatory Specialization
Deep expertise in Greek Law 5160/2024, the National Cybersecurity Requirements Framework, and the intersection of NIS2, DORA, GDPR, and the EU AI Act. We build proprietary tooling — including our CyFun2025 Greek overlays framework — tailored specifically for organizations operating under Greek and EAdvisory plus Mile2-Accredited Training In-House
Through AVSec Academy, we deliver accredited Mile2 certification courses and tailored compliance training for boards, executives, and security teams. Clients build sustainable internal capability alongside the advisory engagement — not dependency.
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