“What matters to us is the result: digital sovereignty for your business success.”
The @-yet management
From left to right: Lucia Straßer (Data Protection), Wolfgang Straßer (Strategy), Florian Straßer (IT Security)
Since 2002, @-yet has been working independently, tirelessly, and purposefully for corporate IT security and digital sovereignty.
A professional team of experts who are among the best in the industry.


How to find us
Address:
Schloss Eicherhof
42799 Leichlingen
How to get there:
Eicherhof Castle is located between Cologne and Düsseldorf on the A3 motorway. Please enter “Leichlingen, Am Hammer” into your navigation system. The entrance to the castle is signposted.
Route planning via OpenStreetMap
Power up with @-yet
Charge your car right at the castle
Guests and employees can charge electric cars directly at the castle at any time.
The two charging stations each have two charging points with 11 kW and 22 kW. Without prior registration, electricity can be paid for with any German EC card via Giro-e.

@-yet memberships
- DMSZ: @yet ist DIN EN ISO/IEC 27001:2017 zertifiziert
- BSI: „qualifizierter APT-Response-Dienstleister“
- Mitglied des Präsidiums Deutsch-Israelische Wirtschaftsvereinigung (D-I-W)
- Teilnehmerin der Allianz für Cyber-Sicherheit
- VDMA e.V.
- BvD e.V.
- Rheinische Fachhochschule Köln
- eco Verband der Internetwirtschaft e.V.
- networker NRW e.V.
- automotiveland.nrw.e.V.
- ASW WEST
- Wirtschaftsjunioren Leverkusen/Rhein-Berg e.V. (Florian Straßer Mitglied)
- BVMW Bundesverband mittelständische Wirtschaft Unternehmerverband Deutschland e.V.
- IHK Wirtschaftsgremium Leichlingen (Wolfgang Straßer stellv. Vorsitzender)
- Gesellschaft für Datenschutz und Datensicherheit (GDD)
- EuroCloud Deutschland_eco e.V.
- EHI Retail Institut GmbH
- TeleTrusT-Initiative "IT Security made in EU"
- Eurobits e.V.