„Working with Valeri Milke is excellent. It’s not only his friendly, calm, and composed manner that stands out — his enormous expertise on a technical and professional level makes him a great business partner. I look forward to many more opportunities to work with you, Valeri. Thank you!"
Trust through experience — our references at a glance
Meet our customers, partners, and selected projects that underline our expertise.
A strong network
VamiSec GmbH relies on a strong network of leading technology and consulting partners to deliver holistic solutions in information and cybersecurity. Our partners are experts in their respective fields and complement our services with innovative products, specialized services, and proven know-how. Meet the partners with whom we take our clients’ digital resilience to the next level.















Trust in security
As a reliable partner for information and cybersecurity, VamiSec supports companies and organizations across a wide range of industries. Our client base ranges from international corporations to mid-market companies — all sharing the goal of protecting their digital assets and meeting compliance requirements sustainably. Meet the customers for whom we redefine digital resilience.










What our customers say about us
Our customers value not only our technical expertise but also the partnership-driven collaboration and high quality standards we bring to our work. From developing tailored security strategies to successfully implementing ISMS and cybersecurity solutions — we accompany companies reliably and sustainably. Trust the voices of our customers.
„I’ve been working with Mr. Milke for several years. In that time I’ve come to know him as an extremely competent advisor and technically skilled security consultant. He has developed strategic concepts, performed technical assessments, and delivered workshops as a trainer for us. His calm, confident manner and consistently professional approach make him a true trusted advisor for me."
„Working with Valeri was very productive from the start. Thanks to Valeri’s strong expertise we quickly arrived at effective solutions. It was a pleasure working together on shared projects. Thanks again!"
„I met Valeri via LinkedIn and things moved fast from there. VamiSec carried out an NIS2 gap analysis with us for a KRITIS customer. That allowed us to ensure the necessary readiness for the customer. The whole team’s expertise and deep knowledge (even in the trickiest cases) really stood out. We recommend VamiSec without reservation and look forward to a long-term partnership. Thank you, Valeri."
„In IT security and penetration testing, Mr. Valeri Milke is highly recommended thanks to his broad expertise. He has supported me on several projects to my complete satisfaction. Many thanks once again."
„Working with Valeri Milke has always been straightforward, professional, and highly productive. He combines deep expertise in IT security and compliance with a calm, analytical approach that makes even complex challenges manageable. Whether it’s ISO 27001, DORA, NIS2, or secure architecture design and more — Valeri tackles each task with precision, structure, and a strong focus on business relevance. He communicates clearly, works reliably under pressure, and consistently delivers high-quality results. What sets him apart is not just his technical knowledge, but his ability to think strategically and implement solutions that are both practical and sustainable. A great partner to have on any project."
„Having worked with Valeri on countless projects over the past few years, I can say with total confidence that his persistent professionalism, excellent communication skills, and ability to understand complex projects makes working with Valeri a pleasure."
„Mr. Milke supported us with his team in designing a security architecture for a heterogeneous JavaEE application landscape with many SOAP interfaces. He performed risk and threat analyses via threat modeling and coached our staff on these topics. We thank him sincerely for the professional work."
Projects that create digital excellence
In our projects we combine technological innovation with deep industry knowledge to deliver sustainable solutions for complex challenges. Whether international SAP rollouts, the introduction of modern cybersecurity strategies, or the optimization of business processes — we accompany our clients from the first idea to successful delivery.
IT Security
- Application Security & SSDLC
- Cloud Security
- Data Loss Prevention
- Incident Management & Forensics
- Microsoft 365 Security
- Penetration Testing & Red Teaming
- SIEM
- Third Party Risk
- Threat Modeling
- Vulnerability Management
- Zero Trust
Information Security
- BSI IT-Grundschutz
- DORA
- IEC 62443
- ISO 21434
- ISO 27001
- NIS2
- TISAX
Project highlights in detail
Select a project to see detailed information on implementation, industry, and outcomes.
Application security as part of SSDLC for mobile apps
- Support in securing mobile applications (iOS & Android) and the corresponding backend infrastructure as part of the Secure Software Development Lifecycle (SSDLC).
- Threat modeling to identify potential attack surfaces in mobile apps and backend APIs.
- Source code reviews focused on authentication, authorization, input validation, and secure communication.
- Coordination and execution of penetration tests including vulnerability analysis, reporting, and follow-up.
- Advisory for development teams on secure architecture patterns, API security, and privacy by design — and accompanying the agile delivery of security-relevant requirements across multiple sprints.
Become part of our success stories
Let’s take your security and compliance strategy to the next level — together.
Book a free initial consultation












