Shaping cyber security strategically

Enterprise Open Systems (EOS) is a highly specialized IT consulting company with a focus on information security management.

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Strategic consulting for digital excellence

Enterprise Open Systems (EOS) is a highly specialized IT consulting company with a focus on information security management.

In this sensitive context, we make important contributions to our partners in shaping their IT strategy and tactics in order to achieve their security goals with certainty.
We are active across all industries, but have excellent experience in the chemical, food, medical, mechanical engineering, automotive, ICT and defense sectors.

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Mission & vision

Cyber and information protection for a secure future

We protect the digital lifeblood of our customers by arming them against complex cyber and information threats. We see information as an essential production factor that - like capital, land and labor - is crucial to economic and social success. Our aim is to make this factor reliable and secure so that companies and countries can innovate and grow without restriction.

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Trust through openness

We communicate transparently and honestly. Those who clearly address opportunities and risks create a climate in which progress and security go hand in hand.

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Competence through further development

We undergo continuous training and use the latest technologies. This means we are always up to date and offer solutions that will stand the test of time.

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Integrity through responsibility

We stand by our decisions and follow clear principles. Real credibility can only be achieved when actions and promises match.

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Reliability through agreement

Binding targets and responsibilities guarantee planning security. We adhere to agreed deadlines and ensure smooth processes.

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Respect through appreciation

We see added value in every personality and treat everyone with equal respect. Those who listen and recognize different perspectives use the full potential of the team.

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Confidentiality through discretion

We treat the information we receive confidentially and only pass it on if absolutely necessary. In this way, we maintain the trust of our customers and protect their sensitive data.

Our team of excellent talents

carsten reffgen -eos Carsten Reffgen, CEO
niklas felber -eos Niclas Felber, Security Consultant
ayhan-photo Ayhan Dagli, Senior Security Consultant
ayhan dagli - eos You? Take a look at our careers page!

"Thanks to the structured approach and professional advice from EOS Enterprise Open Systems, we were able to implement the TISAX certification smoothly. Today, we benefit from higher information security and a clear competitive advantage. Thank you very much for your support!"

Thomas Mohr, IT Security, Lohmann GmbH&Co. KG lohmann-logo-weiss

"We have been collaborating with our partner, EOS Enterprise Open Systems, and I want to express that this partnership is very professional, respectful, and transparent. The team led by Mr. Reffgen has been instrumental in helping us successfully build our ISMS system and thereby making the company more secure."

Volker Jürgens Group CISO, Vossloh AG vossloh-logo-white
Active in 16 countries

We protect thousands of digital assets from cyber threats.

At your side since 2011

Over a decade of experience as a reliable partner for cyber security.

100 % independent & manufacturer-neutral

Our advice does not follow a sales agenda - but only one goal: your security.