Who are Open Systems's competitors?

Aireye, WatchGuard, and ThreatSTOP are among the closest in Network Security. The full competitive set, with overlap scoring, is in the platform.

Open Systems

Network SecurityZurich, Switzerlandfounded 1990acquired by Swiss Post

Open Systems is a cybersecurity company specializing in Network Security, founded in 1990 and headquartered in Zurich, Switzerland. It has raised $1M in equity across 2 priced rounds, employs about 427 people, and was acquired by Swiss Post in 2024.

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updated Sep 12, 2026

Latest Open Systems news and company activity

What Open Systems did, dated — selected moves from the record, one per kind, newest first.

Jul 2026RecognitionOpen Systems Recognized as a Leader in Independent Analyst Evaluation of Secure Access Service Edge Services
Mar 2026PartnershipAllnet vertreibt Co-managed SASE-Lösungen von Open Systems
Oct 2025RecognitionOpen Systems Named a Major Player in Two IDC MarketScapes: Worldwide Managed SD-WAN Services and Worldwide Managed Security Service Edge (SSE) Services
Sep 2025

Open Systems Momentum score

26/ 100

Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.

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Open Systems funding

Open Systems has raised $1M in priced equity. Its most recent round was a Venture Round in July 2000.

Equity raised: $1M2 priced rounds
Last round: Venture RoundJul 2000

View the complete funding history

Open Systems employees and hiring

Open Systems has about 427 employees, up 1% over the last 30 days, with 15 open roles.

Employees: 427
30-day change: +1%
Open roles: 15

See hiring trends

The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobs15 live postings, role mix
Tech stackframeworks, clouds, security

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Common questions about Open Systems.

How much funding has Open Systems raised?: Open Systems has raised $1M in priced equity. Its most recent round was a Venture Round in July 2000.
How many people work at Open Systems?: Open Systems has about 427 employees, up 1% over the last 30 days, with 15 open roles.
Who are Open Systems's competitors?: Aireye, WatchGuard, and ThreatSTOP are among the closest in Network Security. The full competitive set, with overlap scoring, is in the platform.
What does Open Systems do?: Open Systems is a cybersecurity company specializing in Network Security, founded in 1990 and headquartered in Zurich, Switzerland.