Everything to make the case.
102 resources in English and German: white papers, guides, briefs, reports, infographics, customer stories and videos. Filter by type, topic and language.
102 resources
Warum CASB allein nicht genügt
CASB braucht vollständigen Web-Schutz drumherum. Warum, steht hier.
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ZTNA vs. VPN: Access Security for a Cloud-First World
Why identity-based access replaces the VPN, and how to get there without breaking daily work.
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ZTNA vs. VPN: Zugriffssicherheit für eine Cloud-First-Welt
Warum identitätsbasierter Zugriff das VPN ablöst - ohne den Arbeitsalltag zu brechen.
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Secure Access Done Right
How SSE and ZTNA work together on the way to a zero-trust setup.
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The 3-Layer Email Security Model for 2026
A layered model against phishing, spoofing and account takeover.
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Sicherer Zugriff - neu gedacht
Wie SSE und ZTNA auf dem Weg zu Zero Trust zusammenspielen.
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Financial Services
A global financial firm moved to ZTNA and cloud proxies: secure access worldwide, minimal IT effort.
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Marquardt
Mechatronics group, 21 locations, 10,000 people: the network run as a service.
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Mobile Connectivity Kit (Satellite Based)
Connectivity beyond terrestrial lines: satellite-based, managed like any other site.
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SASE: 7 Wege, wie Ihr Unternehmen profitiert
Sieben Geschäftsergebnisse konvergenter Netz- und Sicherheitsdienste.
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Global Connectivity Services - Service Brief
Backbone, last mile and line operations in one managed service.
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Franke
Legacy remote access replaced with managed ZTNA and MEP: secure access worldwide, less complexity.
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What SD-WAN Can't Do, But SASE Can
Where connectivity alone stops and converged security begins.
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Wo SD-WAN aufhört, und wo SASE weitergeht
Wo Konnektivität allein endet und konvergente Sicherheit beginnt.
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Zero-Trust-Sicherheitsmodelle: Grundlagen, Praxis, Compliance
Das deutsche Zero-Trust-eBook: Konzepte, Einführung, Regulatorik.
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ZTNA erfolgreich einführen: 4 Phasen für Unternehmen
Heise-Webinar mit Open Systems: der Einführungsfahrplan.
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ZTNA-Grundprinzipien erklärt: Zero Trust mit Open Systems
Heise-Webinar mit Open Systems: die Grundlagen.
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ZTNA statt VPN: Die wichtigsten Treiber für Zero Trust
Heise-Webinar mit Open Systems: warum Unternehmen wechseln.
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Future-Proof Your Global Network: 4 Moves to Optimize Connectivity
Four moves that take cost and fragility out of global connectivity.
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Kelvion
SD-WAN across 90 locations in six months, operated by a two-person IT team.
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Global Network Optimization: Enterprise IT Checklist
A working checklist for auditing latency, cost and resilience across regions.
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A Primer for Securing Modern OT Environments
Where OT differs from IT security, and how to segment without stopping production.
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Cybersecurity in Europe 2025: What CIOs/CISOs Really Want
Survey results from European IT leaders, on one page.
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Cybersecurity in Europa 2025: Was CIOs/CISOs wirklich wollen
Umfrageergebnisse europäischer IT-Verantwortlicher, auf einer Seite.
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Email Security - Service Brief
The layered email defense as a managed service: filtering, authentication, response.
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Email Security - Service Brief
Die mehrschichtige E-Mail-Abwehr als Managed Service.
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Webinar: Zero Trust in der Praxis
techconsult-Webinar mit Open Systems, als Aufzeichnung.
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Boost Email Security Efficiency
Where email defenses leak time and ROI, and how to close the gaps.
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ZTNA - Product Brief
The ZTNA service on paper: scope, architecture, operations.
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ZTNA - Product Brief
Der ZTNA-Dienst auf Papier: Umfang, Architektur, Betrieb.
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What to Consider in Your OT Security Provider Choice
The questions that separate real OT coverage from rebadged IT security.
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SASE: 7 Ways Your Business Benefits
Seven business outcomes of converging network and security.
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SSE Explained
What Security Service Edge is, and which components make it up. Three minutes.
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SD-WAN Explained
How SD-WAN routes traffic by application policy. In plain terms.
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Transform Your Network & Security Strategy with Managed SASE
IDC InfoBites: why enterprises hand SASE operations to a managed service.
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Navigating 2025 - Top 6 SASE Trends
The six shifts shaping SASE decisions in 2025.
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Navigating the Compliance Labyrinth
NIS2, DORA and friends: what network and security teams actually have to deliver.
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Wegweiser durch das Labyrinth der Vorschriften
NIS2, DORA und Co.: was Netz- und Sicherheitsteams liefern müssen.
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Optimize Your Network Business Case
TeleGeography data on network cost drivers, on one page.
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Building a Network Business Case: Essential Data Insights for CIOs
The numbers a CIO needs to argue a network transformation.
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4 Smart Ways to Maximize Application Performance and Availability
Caching, compression and protocol tuning: where each one pays off.
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The Future of U.S. IT Infrastructure
Survey findings from U.S. IT leaders, on one page.
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SASE Experience
The service experience behind the platform, in two minutes.
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2025 IT Budgets on the Rise
German IT infrastructure report: budgets are rising. Where they go.
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Deutscher IT-Infrastruktur-Report: Steigende IT-Budgets 2025
Kernzahlen des deutschen Reports, auf einer Seite.
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The 6 SD-WAN Evaluation Factors
A buyer's shortlist: the six factors that decide an SD-WAN choice.
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2025 U.S. IT Infrastructure Report
The full U.S. survey report behind the infographic.
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7 Considerations to Selecting an SD-WAN Backbone Provider
What to weigh before committing global traffic to a backbone.
Read more →Deutscher IT-Infrastruktur-Report
Der vollständige deutsche Marktreport hinter der Infografik.
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Schlüsselfaktoren bei der Auswahl eines SD-WAN-Backbone-Providers
Was zu prüfen ist, bevor globaler Verkehr auf ein Backbone geht.
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Global Backbone Connectivity - Product Brief
PoPs, SLAs and China-ready routes: the backbone on paper.
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Replace MPLS with SASE
The migration play for retiring MPLS circuits without disruption.
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MPLS mit SASE ersetzen
Der Migrationspfad weg von MPLS-Leitungen, ohne Betriebsunterbruch.
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Leaving Complexity Behind: Open Systems SASE Experience
The case for running SASE as one service instead of a stack of tools.
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SASE Experience - Solution Brief
Platform, operations and service model in one document.
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Manufacturing - Solution Brief
Secure plants, OT and remote sites on one platform.
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Application Optimization: TCP Optimization
How TCP tuning lifts CIFS and HTTP performance.
Watch video →Application Optimization: Protocol Optimization
Cutting chatty protocols down to size.
Watch video →Application Optimization: Improving Performance in SD-WAN
What application optimization adds on top of SD-WAN.
Watch video →Application Optimization: Functionalities
The optimization toolbox at a glance.
Watch video →Application Optimization: Caching and Block-Level Deduplication
Why repeated transfers stop hurting.
Watch video →Application Optimization: Lossless Compression
More throughput from the same line.
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CLAAS
3,650 secure remote connections across 165 locations, stood up in seven days.
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GEA
MPLS replaced with SD-WAN and centralized security: better visibility and cloud performance.
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Chemours
A global chemistry company's network, secured and simplified.
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Open Systems Managed SASE
The service in three minutes: cloud as the network, security at the edge.
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SASE Myths: Five Things You Thought You Knew - Debunked
Five common SASE claims, checked against reality.
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SASE-Mythen: Fünf Trugschlüsse entlarvt
Fünf gängige SASE-Behauptungen im Realitätscheck.
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From Silos to Synergy: How ZTNA Thrives within SASE
Why ZTNA works best as part of a converged platform.
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Von Silos zu Synergien: Wie ZTNA innerhalb von SASE wirkt
Warum ZTNA als Teil einer konvergenten Plattform am besten wirkt.
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VPN vs. SSO vs. ZTNA - What Is Future-Built Access Control
Three access models compared, and which one scales.
Read more →VPN vs. SSO vs. ZTNA - Was ist zukunftsfähige Zugriffskontrolle?
Drei Zugriffsmodelle im Vergleich - und welches skaliert.
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ZTNA in 3 Minutes: A Quick Guide to Zero Trust Network Access
The fastest useful answer to "what is ZTNA?"
Read more →3 Minuten ZTNA: Eine Kurzanleitung zu Zero Trust Network Access
Die schnellste brauchbare Antwort auf die Frage, was ZTNA ist.
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SOS Children's Villages
A global NGO's network, run reliably in places where reliability is hard.
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KEMET Q&A Session
KEMET's IT leadership on running SASE in production.
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Power Your Healthcare Organization with Managed SASE
Connectivity and security for clinical environments.
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Protect Your Remote Workforce
Remote access without the VPN pain.
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Open Systems Managed Services
What "managed" means here: engineers on the service, not tickets in a queue.
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Inside Look into Open Systems
People and platform behind the service.
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Non-Governmental Organizations - Solution Brief
Field connectivity and security for NGOs, without field IT.
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Higher Education - Solution Brief
Open campus networks, protected without slowing research and teaching.
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College of Southern Nevada
48,000 users on a secure cloud strategy, at college budgets.
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Mikron
Fewer false positives, sharper focus on protecting production.
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KEMET Q&A: SASE ROI - More than Savings from MPLS
Where the ROI actually came from.
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CSN: Why You Should Get Out of the Security Business
CSN's case for handing security operations to a service.
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Secure Remote Access - Solution Brief
The remote-access service on paper.
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KEMET Case Study (Open Systems & Equinix Joint Solution)
The joint Equinix build behind KEMET's network, as a PDF case study.
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Der Spiegel
Germany's news magazine on working with Open Systems.
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Vitra
The furniture maker on its managed network.
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Gategroup
Airline catering at global scale, connected.
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CLAAS Customer Video
CLAAS on the switch, on camera (EN/DE).
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Altana
60+ locations connected; acquisitions integrated securely.
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12 Essential Steps for Migrating to SD-WAN
The migration playbook, step by step (eBook).
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5 Key Mistakes Organizations Make with SD-WAN Security
The classic security gaps in SD-WAN projects, and the fixes.
Download PDF →KEMET
Hybrid cloud and on-prem run as one network; operations cost cut by 50%.
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Securely Accelerate Your Insurance Operations
Network and security for insurers, as a brief.
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Financial Services Firms Must Focus on Network Defenses
Why network defense is the regulator-proof layer for finance.
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Mammut
The outdoor brand's aging WAN replaced; IT freed for strategy.
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Why CASB Alone Isn't Enough
CASB needs full web protection around it. Here is why.
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Secure SD-WAN: Helping CIOs Meet Their Goals
The CIO case for building security into the WAN.
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SD-WAN: Why We Should Learn from the Titanic
Resilience lessons for global WAN design.
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