Together against Cyberattacks
Do you want to protect yourself effectively against cyberattacks and their consequences? If so, Oneconsult is your ideal partner. We are competent, trustworthy, reliable, and agile. Together, we can master every challenge and make you virtually 100% secure.

Your Competent Partner against Cyberattacks since 2003

We provide you with independent and comprehensive advice in various areas of cybersecurity. Together, we proactively address security threats. Our ethical hackers help detect security vulnerabilities and prevent and deal with cybersecurity incidents worldwide. In other words, Oneconsult helps define effective and practicable security measures and implement them in a targeted manner.

The Oneconsult Group has been your Swiss cybersecurity services partner since 2003 and operates independently of any particular products or manufacturers. With offices in Zurich, Bern, Munich, and Auckland, the Group consists of the holding company Oneconsult International AG and its subsidiaries Oneconsult AG, Oneconsult Deutschland AG and Oneconsult New Zealand Limited.

Oneconsult has an outstanding team of certified Red Teaming Specialists and Penetration Testers (CRTP, CRTO, OPST, OSCP, OSCE, GXPN, etc.), qualified and certified Incident Responders and IT Forensic Specialists (ISO/IEC 27035 Incident Manager, GCIH, GCFA, GCFE, GREM, GNFA, etc.), and Security Auditors (ISO/IEC 27001 Lead Auditor, ISO/IEC 27005 Risk Manager). Most of our ethical hackers and digital forensics and incident response (DFIR) specialists have a bachelor’s or master’s degree in computer science with a focus on cybersecurity. All of them are continuously trained and passionate about protecting you against cyberattacks.

Oneconsult specializes in the effective preventive and reactive fight against cyberattacks with the following services:

Together with our customers, we successfully combat cyberattacks. More than 400 organizations, (including a large number of Fortune Global 500 companies) across all industries trust our expertise.

In case of an emergency, you can reach the Oneconsult International Computer Security Incident Response Team (OCINT-CSIRT) around the clock (24/7/365) and count on the support of Oneconsult’s team of experts, which thousands of cyber insurance customers also rely on.

We are committed to improving cybersecurity. That’s why Oneconsult is a codeveloper and accredited training partner of the Institute for Security and Open Methodologies (ISECOM), which publishes the Open Source Security Testing Methodology Manual (OSSTMM), as well as a member of Swiss Cyber Experts, a Corporate Member of the Open Web Application Security Project (OWASP) and, since March 2019, a full member of the Forum of Incident Response and Security Teams (FIRST).

Would you like to learn more about Oneconsult or our services? We look forward to receiving your inquiry.

Your Benefits

  • Strict focus on defense against cyberattacks
  • Security expertise since 2003
  • Highly qualified security experts
  • Team-oriented approach to achieve goals together
  • Swiss quality
  • Over 2,000 security projects implemented
  • Effective and efficient measures
  • Trusted partner of over 400 organizations
  • Proven CSIRT
  • 24/7/365 incident response
  • Leading OSSTMM auditor
  • Professional IT forensics laboratory
  • “Top Company” and “Open Company” rating on


Allianz für Cyber-Sicherheit

The German Federal Office for Information Security founded the Alliance for Cyber Security. This provides a platform for companies, associations, authorities and organizations to exchange information about cyber threats and security measures. Oneconsult AG has been a proud member of the Alliance since 2023 and supports the common goal of shaping and strengthening cybersecurity in Germany.

Cyber Incident Hub

The three consulting firms MLL Meyerlustenberger Lachenal Froriep, Farner Consulting, Oneconsult and the start-up Cybera together build the interdisciplinary “Cyber Incident Hub“. The services cover legal advice specialized in cybersecurity (MLL), crisis communication and reputation management (Farner), incident response and digital forensics (response to and investigation of cyberattacks; Oneconsult) and international response to financial fraud (Cybera).


FIRST is an international network of renowned incident response and security teams, with the aim of promoting cooperation and coordination in the field of security incident response and establishing an active exchange of information between members in order to respond more efficiently to security incidents. FIRST brings together security incident response teams from government and education organizations with corporations and consists of over 400 members worldwide. Oneconsult has been a member of FIRST since 2019.

Information Security Society Switzerland

The Information Security Society Switzerland (ISSS) is an independent association and networks over 1200 security professionals in Switzerland with each other. In addition to Oneconsult, this includes up to 150 other companies. The ISSS deals with technical, economic, regulatory and socio-political aspects of information security.


ISECOM (Institute for Security and Open Methodologies) is an open and non-profit organization with headquarters in Spain and a branch office in the USA. One of its projects is the ongoing development of the Open Source Security Testing Methodology Manual (OSSTMM). Oneconsult has been working according to OSSTMM since 2003 and is an ISECOM Partner (accredited training provider). Our employees are actively involved in the further development of the OSSTMM and several employees are part of the official ISECOM team. Christoph Baumgartner (Chairman of the Board of Directors Oneconsult) is also a board member of ISECOM.


OWASP (Open Web Application Security Project) is a non-profit organization that aims to make software more secure. Oneconsult is an OWASP Silver Corporate Member. OWASP produces the well-known “OWASP Top 10“, a list of the most critical application security risks, and the “OWASP Mobile Top 10“, a list of the most critical mobile risks.

Sicherheitsnetzwerk München

The “Sicherheitsnetzwerk München” is an association of companies in and around Munich. The aim of the association is to raise awareness and competence on the topic of IT security, to increase the protection of companies and the public against cyber risks and to help promote innovation in IT security. Members of the “Sicherheitsnetzwerk München”, which also include Oneconsult since 2019, are both providers and users of IT security solutions.

Swiss Cyber Experts

Swiss Cyber Experts enables privately managed companies and government agencies to access specialized experts in the event of a serious cyber incident in the areas of espionage, sabotage and crime. Swiss Cyber Experts is composed of a pool of highly qualified experts. Oneconsult is a member of Swiss Cyber Experts since 2015 alongside organizations such as IBM, PWC, Swiss Post and the Federal IT Steering Committee. Tobias Ellenberger (COO Oneconsult) is also a board member of Swiss Cyber Experts.

Confirmed by our statistics

Every day, companies around the world rely on our expertise. This is confirmed by our statistics in addition to our long-standing customers.


Application (Mobile) 
Penetration Test Projects


Red Teaming 


Incident Response

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Your security is our top priority – our specialists provide you with professional support.

Availability Monday to Friday 8:00 a.m. – 6:00 p.m (exception: customers with SLA – please call the 24/7 IRR emergency number).

Private individuals please contact your trusted IT service provider or the local police station.

For more information about our DFIR services here:

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