About us
Experience you can build strategic decisions on
Donnager is an independent cloud, cybersecurity, and AI consulting firm founded to make the executive leadership and technical expertise typically available only to large enterprises and financial institutions accessible to organizations of all sizes.
We believe that technology alone does not create a competitive advantage. True value is achieved when cloud technologies, cybersecurity, and artificial intelligence are strategically aligned with business objectives and implemented within a robust governance and control framework.
Our experts bring decades of experience across the financial sector, critical infrastructure, industrial environments, and large-scale enterprise IT. We do more than provide advice—we design and deliver practical, business-focused solutions that work in the real world.
Our Mission
Our mission is to help organizations navigate the challenges of digital transformation, cybersecurity, and regulatory compliance while enabling technology decisions that create sustainable long-term business value.
Our Values
Integrity
Trust is the foundation of every successful partnership. We act transparently, ethically, and always in the best interests of our clients.
Expertise
Our experience is built on leadership and advisory roles within leading financial institutions, multinational organizations, and critical infrastructure environments.
Reliability
We are committed to consistent delivery, dependable execution, and long-term professional partnerships.
Responsibility
We recognize that technology decisions have strategic, operational, and regulatoryimplications. That is why we develop every recommendation with a comprehensive, business-oriented perspective.
Practical Approach
We do not deliver theoretical recommendations. We provide practical, implementable solutions that generate measurable business value.
Our Leadership Team
Dr. György Tamás Kálmán
Dr. György Tamás Kálmán has more than 20 years of experience in information security, cloud technologies, and technology leadership. He previously led the Information Security Advisory organization at OTP Bank, managing a team of more than 70 security professionals. Throughout his career, he has held expert and leadership roles at organizations including Morgan Stanley, Den Norske Bank (DNB), mnemonic, and ABB.
Ferenc Buknicz
Ferenc Buknicz is a cloud security and compliance expert with extensive experience in Microsoft Azure, Amazon Web Services (AWS), Microsoft Sentinel, Microsoft Defender, Microsoft Purview, and regulatory compliance initiatives, including DORA and NIS2. His expertise focuses on secure cloud operations, regulatory compliance, and protecting modern enterprise infrastructures.
Areas of Expertise
AI Security & Governance
Cloud Security & Architecture Assessment
NIS2 és DORA Compliance
IAM, PAM and Identity Security
Critical Infrastructure Protection
IT & Cybersecurity Strategy
Data Protection & Data Classification
Post-Quantum Cryptography
(PQC)
How We Work?
Every engagement begins with understanding your business objectives, risk landscape, and operational environment. Rather than applying one-size-fits-all solutions, we develop an approach tailored to your organization’s needs, resources, and strategic priorities.
Whether the challenge involves cloud security, AI governance, regulatory compliance, or technology strategy, our goal remains the same:
to deliver solutions that are secure, practical, and create measurable business value.
