Open Systems is an AI-first SASE platform company delivering secure access and networking to help enterprises connect users, applications and infrastructure across complex hybrid and multi-cloud environments. Its proprietary platform combines SSE capabilities, including ZTNA, SWG, CASB and FWaaS, with SD-WAN, end-to-end connectivity, unified policy management, and advanced analytics in a single architecture. While many cybersecurity providers focus primarily on advancing technology capabilities, Open Systems combines its AI-first SASE platform with an execution model designed for real-world operability, ensuring services are not only deployed, but continuously run, adapted and improved through a combination of AI-enabled operationsandNOC-based expertise (Mission Control), built on decades of operational experience, helping organizations reduce complexity, increase visibility and strengthen security outcomes at global scale. Founded in Switzerland in 1990, Open Systems generates more than USD 100 million in annual revenue and supports global enterprise customers operating in more than 180 countries. Since 2024, the company has been part of Swiss Post, combining Swiss trust and stability with global reach. As a European alternative to US- and Israel-based cybersecurity providers, Open Systems is guided by strong principles around sovereignty requirements, regulatory alignment, transparency and shared responsibility – taking clear ownership for security, performance and operational outcomes, helping organizations maintain control in an increasingly complex digital landscape.
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The Open Systems annual revenue was $84 million in 2026.
Dennis Monner is the CEO of Open Systems.
239 people are employed at Open Systems.
Open Systems is based in Zurich, Zurich.
The NAICS codes for Open Systems are [541511, 541, 54, 54151, 5415].
The SIC codes for Open Systems are [73, 737].