--- title: "Quantum Diamonds: Secure IT Infrastructure with Zero Trust" description: "Modern IT for Quantum Diamonds: Zero Trust, cloud migration, endpoint protection, SD-WAN, email security & backup—implemented by Rheintec." image: https://rheintec.io/hubfs/Quantum%20Diamonds.jpg --- [Skip to content](https://rheintec.io/-quantumdiamonds-case-study-details#main-content) [![Rheintec logo](https://rheintec.io/hubfs/website_assets/logo/logo-white.svg "Rheintec logo")](https://rheintec.io/home?hsLang=de-ch) - [ KMU ](https://kmu.rheintec.io/de-ch/it-fuer-kmus) - [Enterprise](https://rheintec.io/-quantumdiamonds-case-study-details#) Show submenu for Enterprise - [Consulting](https://rheintec.io/-quantumdiamonds-case-study-details#) Show submenu for Consulting - [ IT Security Consulting ](https://rheintec.io/en/consulting/security/it-security-consulting) - [ Cyber Security Review ](https://rheintec.io/en/consulting/cybersecurity-review) - [ Governance, Risk & Compliance Consulting ](https://rheintec.io/en/consulting/compliance-and-governance) - [Zscaler](https://rheintec.io/-quantumdiamonds-case-study-details#) Show submenu for Zscaler - [ Zscaler Architecture Consulting ](https://rheintec.io/en/consulting/zscaler/architecture-consulting) - [ Zscaler Health Checks ](https://rheintec.io/en/consulting/zscaler/healthchecks) - [ Zscaler Automation ](https://rheintec.io/en/consulting/zscaler/automation) - [ Zscaler Proof of Concepts ](https://rheintec.io/en/consulting/zscaler/proof-of-concept) - [ Z-Automate ](https://rheintec.io/en/zscaler-automation-tool) - [ Solutions ](https://rheintec.io/-quantumdiamonds-case-study-details#services) Show submenu for Solutions - [ Bring Your Own Device (BYOD) ](https://rheintec.io/en/solutions/zscaler-remote-browser-access) - [ CNAPP ](https://rheintec.io/en/managed-services/enterprises/wiz) - [ Secure Access Service Edge (SASE) ](https://rheintec.io/en/solutions/secure-access-service-edge) - [ Secure Service Edge ](https://rheintec.io/en/managed-services/enterprises/zscaler-sse) - [ Zscaler Data Security ](https://rheintec.io/en/solutions/zscaler-data-security) - [ SD-WAN & WAN-Edge ](https://rheintec.io/en/managed-services/enterprises/ubiquitiy-wan-edge) - [ Z-Automate ](https://rheintec.io/en/zscaler-automation-tool) - [Managed Services](https://rheintec.io/-quantumdiamonds-case-study-details#) Show submenu for Managed Services - [ Managed Security Services ](https://rheintec.io/en/managed-security-services) - [ Small & Medium Companies (5-250) ](https://rheintec.io/managed-services/small-medium-companies-smb) Show submenu for Small & Medium Companies (5-250) - [ Zscaler 4 Small Businesses ](https://rheintec.io/en/managed-services/small-companies/zscaler-sse-4-small-businesses) - [ CrowdStrike XDR 4 Small Businesses ](https://rheintec.io/en/en/managed-services/small-companies/crowdstrike-xdr-4-small-businesses) - [ Mimecast 4 Small Businesses ](https://rheintec.io/de/mimecast-for-kmu) - [ Proofpoint 4 Small Businesses ](https://rheintec.io/en/rheintec-proofpoint-mail-sicherheit-f%C3%BCr-kmu-kleinunternehmen) - [ Small Business Secure ](https://rheintec.io/en/managed-services/small-companies/small-business-secure) - [ Small Business Complete ](https://rheintec.io/en/managed-services/small-companies/small-business-complete) - [ Medium Business Complete
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From the very beginning, we felt we are in good hands with Rheintec. They are supporting us with a security-first approach and cutting-edge technologies that meet our high standards. The collaboration is built on trust, professionalism, and responsive support, exactly what we need in our sensitive and innovation-driven environment. The result is a secured and scalable network setup fulfilling our high quality standards. Rheintec's fast, professional, and friendly support made the collaboration smooth and efficient. We’re very satisfied with the outcome and look forward to continuing our partnership. Fleming Bruckmaier ​Chief Technology Officer ![Stand-alone Quantum Diamonds Sensor](https://rheintec.io/hs-fs/hubfs/Stand-alone%20Quantum%20Diamonds%20Sensor.webp?width=2048&height=1362&name=Stand-alone%20Quantum%20Diamonds%20Sensor.webp)Quantum Diamonds. (2025). *Homepage*. [https://www.qd-st.com/](https://www.qd-st.com/) ## Challenge QuantumDiamonds is a fast-growing, highly innovative company developing advanced measurement instruments for modern semiconductor testing using quantum sensor technology. As the company scaled, its organically grown IT infrastructure—lacking standardization and robust security—became a bottleneck. To support its growth and protect sensitive R&D data, the company needed a secure, scalable, and future-ready IT environment.       ## Objectives Our joint goal was to transform the existing infrastructure into a secure, modern IT landscape with: - **Security by Design** - **Cloud-first architecture** - **Scalability & automation** - **Zero Trust principles** ## Our Approach Working closely with the internal IT team, we followed a structured and transparent project approach: 1. **Assessment** of the existing infrastructure and vulnerabilities 2. **Definition** of a target architecture and security requirements 3. **Prioritization** of initiatives based on business impact and efficiency 4. **Collaborative execution** with regular knowledge transfer and alignment ![Developer presenting code to a colleague during a software development meeting](https://rheintec.io/hs-fs/hubfs/developer-presenting-code-teamwork-software-meeting%20(1).jpg?width=565&height=700&name=developer-presenting-code-teamwork-software-meeting%20(1).jpg "Developer presenting code to a colleague during a software development meeting") ![Lines of code reflected through eyeglasses on a laptop screen, symbolizing developer focus and attention to detail](https://rheintec.io/hs-fs/hubfs/focused-code-view-through-glasses.webp?width=667&height=500&name=focused-code-view-through-glasses.webp "Lines of code reflected through eyeglasses on a laptop screen, symbolizing developer focus and attention to detail") ## The Solution To build a secure and scalable IT environment, we implemented: - **Endpoint Security** with CrowdStrike and centralized device management via Microsoft Intune - **Identity Protection** using MFA, role-based access, and user awareness training - **Network Segmentation** with UniFi infrastructure and secure remote access - **Cloud Transformation** by migrating from Google Workspace to Microsoft 365, including full device integration These measures laid the foundation for a Zero Trust architecture and enabled secure, efficient collaboration across locations and platforms. ## Results - **Unified and scalable IT security architecture** - **Comprehensive protection** on endpoint, network, and cloud levels - **Secure and seamless work environment** for both internal and remote users - **Fully managed devices** across all operating systems - **Future-ready infrastructure** to support business growth and compliance The project was carried out in close collaboration with the customer’s IT team, with regular feedback loops, transparent communication, and coordinated rollouts ensuring strong user acceptance. As a result, QuantumDiamonds now operates on a holistic, secure, and scalable IT foundation—powered by Microsoft 365, centralized device management, CrowdStrike endpoint protection, and network security with UniFi and Zscaler—enabling secure, agile, and efficient operations. ![Business professional checking off items on a digital checklist interface, symbolizing success and achieved results.](https://rheintec.io/hs-fs/hubfs/results-checklist-business-success-digital-interface.jpg?width=600&height=600&name=results-checklist-business-success-digital-interface.jpg "Business professional checking off items on a digital checklist interface, symbolizing success and achieved results.") ![QuantumDiamonds_Team](https://rheintec.io/hs-fs/hubfs/QuantumDiamonds_Team.jpg?width=1536&height=867&name=QuantumDiamonds_Team.jpg "QuantumDiamonds_Team") ## About QuantumDiamonds QuantumDiamonds, founded in 2022 as a spin‑off from the Technical University of Munich, develops and commercializes advanced metrology tools based on diamond embedded quantum sensors, specifically nitrogen vacancy (NV), centers to enable non‑destructive 3D defect imaging in semiconductor devices. The company focuses on pinpointing subsurface flaws with nanometre scale resolution, even through multiple package layers, significantly enhancing semiconductor failure analysis and yield control. Headquartered in Munich, QuantumDiamonds offers both in house testing services and innovative microscope solutions, aiming to expand into inline production level quality control in the semiconductor manufacturing process. ## [Vist QuantumDiamonds Website](https://www.qd-st.com/) ## Ready to protect your digital assets? Schedule a free consultation and discover how 'Built by Rheintec' protects your online presence, keeping your data and reputation secure. [ Request Consultation ](https://cta-service-cms2.hubspot.com/web-interactives/public/v1/track/click?encryptedPayload=AVxigLLZPPtFaF32EOXskwh89tjVVFYP3Td8NubpQaGbUaz5ej6QFPSeKlXUPPo0uJnn7h%2B1BGwFeoMn4DEFE3nns5YFj1e0MGO3Y2RD%2BSr47mcyT8c0L4qOrW0IyM2LZ9%2F1eSlAQkYwS4PbzcZjzfQvabTKm%2FijDT0IeiEk713U5YSkN7EvYCel0Yo%3D&portalId=48452581) ### Other Case Studies [ Credaris Our journey to Secure Service Edge and a comprehensive managed security service with Rheintec. Read Case Study ](https://rheintec.io/credaris-case-study-detail?hsLang=de-ch) [ Helvetia Mailing Security & Managed Service Powered by Rheintec. Read Case Study ](https://rheintec.io/helvetia-case-study-details?hsLang=de-ch) [ Rhyba Small Business Complete - full 360° IT Infrastructure & Security. Read Case Study ](https://rheintec.io/rhyba-case-study-detail?hsLang=de-ch) [ Quest One Privilege Access Management and Password Management by Rheintec.   Read Case Study ](https://rheintec.io/questone-case-study-details?hsLang=de-ch) ## How much does IT security cost for your SMB? Easily estimate your IT security expenses with our pricing calculator. 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