Open Systems

open-systems.com

computer & network security

open-systems.com

Zuerich, Zuerich, Switzerland

201-500 employees

25000000 revenue

LinkedIn Profile

About Open Systems

network security, application delivery, global connectivity, integrated service management, managed secure sdwan, sdwanasaservice, advanced persistent threat protection, next generation firewall, cloud application visibility, control, incident response, ids, ips, cloud proxy, casb, sdwan, cloud security, phishing defense, saas, secure access service edge

Open Systems's Tech Stack

Decision Makers at Open Systems

1 contact

Michael Attenberger

Director, Sales Engineering D/BNL

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7 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.

Open Systems's Position in the StackWho Database

• Open Systems is 1 of 4,889 computer & network security companies tracked in StackWho.
• 4,875 computer & network security companies in our database have verified decision-maker emails (100% of the cohort).
• 236 companies in Zuerich are in the StackWho database.
• 134 computer & network security companies are in the 201-500 employee range (same size as Open Systems).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Open Systems use?

Open Systems uses Salesforce, Marketo, Microsoft Office 365, Microsoft Application Insights, WP Engine, Drift, and 1 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Open Systems?

StackWho has verified email addresses for 1 decision maker at Open Systems. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Open Systems directly for sales, recruiting, or partnerships.

What industry is Open Systems in?

Open Systems operates in the computer & network security industry, headquartered in Zuerich, Zuerich, Switzerland. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Open Systems's contact data?

Yes. StackWho Pro members can export decision maker contact data for Open Systems and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.