How many email patterns does Open Systems use?

Open Systems uses 6 known email patterns.

What domain does Open Systems use for work emails?

Open Systems uses open-systems.com for work email addresses.

Most Common Email Formats at Open Systems

Open Systems's most common email format is FLast@open-systems.com (ex. JDoe@open-systems.com), used for 95% of open-systems.com addresses. Open Systems uses 4 email patterns.

@open-systems.com

4 patterns

Format	Example	Share of open-systems.com
FLast@open-systems.comMost common	JDoe@open-systems.com	95%
FiLast@open-systems.com	JoDoe@open-systems.com	3%
FMiddleLast@open-systems.com	JMichaelDoe@open-systems.com	1%
FL@open-systems.com	JD@open-systems.com	1%

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Frequently Asked Questions

What does Open Systems do?

Open Systems was founded in 1990 and operates in the Computer and Network Security industry, alongside similar companies like iboss, Forcepoint and Symantec. You can visit open-systems.com or contact Open Systems's headquarters by phone at

+41-44-455-7****

. Explore Open Systems's company overview page for more information.

What is Open Systems's email address format?

Open Systems's email format typically follows the pattern of FLast@open-systems.com; this email format is used 95% of the time. Other contacts within LeadIQ's database had email formats such as FiLast@open-systems.com and FMiddleLast@open-systems.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does Open Systems have currently?

Open Systems has approximately 435 employees as of October 2026. Key team members to contact include Chief Executive Officer: D. M., Chief Executive Officer: S. A. and Chief Executive Officer President: S. A. For more team information and contact data, explore Open Systems's employee directory with LeadIQ.

Open Systems Email Format

Computer and Network SecurityZurich, Switzerland201-500 Employees

Open Systems is a Swiss cybersecurity company, headquartered in Zurich, and founded in 1990. It provides native managed SASE solutions that merge network and security functions on a cloud-native platform. The company serves customers in more than 180 countries and offers 24x7 expert support.

Its service model aims for secure, reliable network operations across cloud, on-premises, and hybrid environments, including the complex IT infrastructures of global manufacturing companies and NGOs. In May 2026, Open Systems announced a partnership with ticura GmbH to enhance threat detection precision and reduce security noise.

Most common format

FLast@open-systems.com

Example: JDoe@open-systems.com

4 patterns. See all formats

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Most Common Email Formats at Open Systems

@open-systems.com

Need a specific person's email?

Frequently Asked Questions

What does Open Systems do?

What is Open Systems's email address format?

How many employees does Open Systems have currently?

Open Systems Email Format

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What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.