Thanks to our own salaried and highly qualified cyber security experts we are your trusted partner for first-class cyber security services.

For quality reasons all our services are provided by our own salaried certified security specialists. To get an overview of our know-how and projects, please visit our detailed, anonymized reference list.

This overview of our team members is dedicated to our customers. We explicitly ask headhunters to refrain from calling our staff in our offices.

Christoph Baumgartner
CEO Oneconsult AG & Chairman Oneconsult International AG
Senior Security Consultant & IT Forensics Specialist

MSc UZH IS, ISO 27001 Lead Auditor, OPST

Christoph Baumgartner founded Oneconsult AG in 2003 and has been Chief Executive Officer since. Together with Tobias Ellenberger he represents the operative management of Oneconsult group and heads the management team. Christoph is responsible for consulting, human resources, marketing, finance and administration. He holds a master’s degree in information systems from the university of Zurich and since 1996, he has been working as a consultant focusing on IT security and IT strategy with many years' experience as a project manager and consultant in a wide range of industries. Before setting up Oneconsult, Christoph has held a number of management positions at various respected system and security integrators. He specializes in ISO 27001 und ISO 27002 security audits, security guidelines and concepts, IT forensics as well as strategic consulting. Christoph is a certified ISO 27001 Lead Auditor, an OSSTMM Professional Security Tester (OPST) and an ISECOM board member.

OpenPGP

Key ID: 0x160F25D8 Key FP: 5E55 1445 A55E 6CFE 814E 29FC A9EC C172 160F 25D8

Tobias Ellenberger
COO Oneconsult AG & CEO Oneconsult Deutschland GmbH
Senior Security Consultant & IT Forensics Specialist

Mediamatiker EFZ, OPST & OPSA

Tobias Ellenberger is Chief Operating Officer at Oneconsult AG and a member of the operational management. Since 2017 Tobias is as well Chief Executive Officer of Oneconsult Deutschland GmbH. Together with Christoph Baumgartner, he is in charge of the strategic and operational management of the Oneconsult Group. Tobias is responsible for incident response & IT forensics, account management and strategic projects throughout the group. He also shares his expertise as a regular speaker at universities, trade fairs, customer events and seminars. He advises key accounts on the topics of cyber security and incident response and have held several positions as Chief Information Security Officer (CISO). Before joining Oneconsult in 2010 as a penetration tester and security consultant, he worked for various international companies in the fields of engineering and consulting. Tobias Ellenberger heads the CERT of Oneconsult International AG (OCINT-CERT). He is a board member of the Swiss Cyber Experts Association and a member of the «Cyber Security» commission of ICT Switzerland.

OpenPGP

Key ID: 0xB642CA64 Key FP: A101 F0AE 8AF1 ABA5 A072 31E6 CA55 EC59 B642 CA64

Jan Alsenz
Chief Research Officer Oneconsult AG
Senior Penetration Tester & Security Consultant

MSc ETH CS, OPST & OPSA, OSSTMM Trainer

Jan Alsenz has been a member of the extended management team since 2010 and is Chief Research Officer since 2015. He leads the research team at Oneconsult, which analyzes and develops new exploits and attack scenarios, and publishes security advisories and specialist IT security articles. After his master’s degree in computer science at ETH Zurich, Jan joined Oneconsult in 2009 and has since been active in penetration testing and security consulting with a special focus on sophisticated technical audits (e.g. APT and SCADA), code reviews, reverse engineering, exploit development and training. Jan is a certified OSSTMM Professional Security Tester (OPST), OSSTMM Professional Security Analyst (OPSA), OSSTMM trainer and member of the ISECOM Core Team.

OpenPGP

Key ID: 0xF19BD6C1 Key FP: D7DA 3169 7C2E 848A 54F8 1669 5BA2 0FB2 F19B D6C1

Tobias Castagna
Chief Technical Officer Oneconsult AG
Senior Penetration Tester & IT Forensics Specialist

BSc FH CS, GCFA, GCFE, OPST

Tobias Castagna is Chief Technical Officer at Oneconsult AG and has been a member of the extended management team since 2015. He is responsible for penetration testing. Tobias attended university at the Scuola Universitaria Professionale della Svizzera Italiana (SUPSI), and then at the Berner Fachhochschule (BFH) in Biel focusing on IT security. In 2009 he started at Oneconsult as a penetration tester and became a team leader in 2012 and department head in 2015. Tobias specializes in malware incident response and digital forensic investigations as well as penetration tests of (web) applications and mobile apps. He is a GIAC Certified Forensic Analyst (GCFA), a GIAC Certified Forensic Examiner (GCFE) and a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0x39557F3A Key FP: 377C 8B8B BCC2 B352 CB2F B760 FE10 E6E9 3955 7F3A

Dr. Cathrin Senn
Chief Consulting Officer Oneconsult AG
Senior Security Consultant

MA UZH, ISO 27001 Lead Auditor, ISO 27005 Risk Manager, OPST

Cathrin Senn is a co-founder of Oneconsult AG and has been working in IT security since 2009. She is a member of the extended management team and has been Chief Consulting Officer since 2014. Cathrin is responsible for standard-based security audits (e.g. ISO 27001 and ISO 27002) as well as security consulting with a focus on information security policies and roadmaps. After her PhD at the university of Zurich, she spent 10 years in the international consulting business specializing in information management and taxonomies. In this role, Cathrin worked worldwide on search engine and categorization projects - among other things through her company sennmantics GmbH, which leverages her background in computational linguistics. She is a certified ISO 27001 Lead Auditor, ISO 27005 Risk Manager and an OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0xE6C340C2 Key FP: E1AB 024F 2225 53FA B09D 3ECC B9D1 C596 E6C3 40C2

Zeynep Knobel
Head of Resource & Backoffice Management
Dipl. Betriebswirtschafterin HF

After finishing her commercial education at a vocational high school, Zeynep Knobel (ex Coblar) studied at the business school in Rapperswil where she gained her Advanced Federal Diploma of Higher Education in Business Administration. Before joining Oneconsult in March 2015, she worked as a managing clerk and sales manager for a transport organization and two international trading companies. Since July 2016, Zeynep has been leading the backoffice team and is responsible for proposal management, project planning as well as invoicing.

OpenPGP

Key ID: 0x6E0F5024 Key FP: 3FAC 5066 E6D9 7C68 2F85 B3EE BF7A BE1C 6E0F 5024

Yves Kraft
Branch Manager Bern
Senior Penetration Tester & Security Consultant

BSc FH CS, ISO 27001 Lead Auditor, OSCP, OPST, OPSA & OPSE, CTT+, SVEB 1, OSSTMM Trainer

After his IT apprenticeship in the public administration, Yves Kraft worked as a system engineer for an IT service provider in financial services and public administration among other industries. Next, he studied computer science at the Berner Fachhochschule in Biel with a focus on IT security, while working for a large Swiss university as a system administrator. Since February 2011, Yves has been working as a security consultant at Oneconsult, focusing on penetration tests, security consulting and training. He was promoted to team leader in 2013 and branch manager Bern in 2015. Yves is an Offensive Security Certified Professional (OSCP), a certified OSSTMM Professional Security Tester (OPST), OSSTMM Professional Security Analyst (OPSA), OSSTMM Professional Security Expert (OPSE), OSSTMM trainer, ISO 27001 Lead Auditor and CompTIA Certified Technical Trainer (CTT+) and owns the SVEB certificate (Level 1).

OpenPGP

Key ID: 0x16B37999 Key FP: CB37 5ED0 EA9C 04B3 D6C8 B871 056C CAB9 16B3 7999

Rafael Scheel
Branch Manager Munich
Senior Penetration Tester, IT Forensics Specialist & Security Researcher

BSc BIT, OSCP, GREM, OPST

Rafael Scheel finished his IT apprenticeship at the ETH Institute for Snow and Avalanche Research with a thesis on intrusion detection systems in 2011. Afterwards, he enrolled at the Lucerne University of Applied Sciences and Arts to study business information technology and gained his BSc BIT degree in September 2015. At the beginning of his studies he worked part-time in the field of network security for a leading Swiss IT security vendor. In March 2014, Rafael joined Oneconsult focusing on penetration testing and security research with an emphasis on exploit development and became branch manager Munich in June 2017. He is an Offensive Security Certified Professional (OSCP), holds the GIAC Reverse Engineering Malware (GREM) certificate and is an OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0x18A7CCAA Key FP: 7C3B 8F43 7106 7462 1E3B AC2C 295E F362 18A7 CCAA

Adrian Schoch
Head of Incident Response & IT Forensics
IT Forensics Specialist & Penetration Tester

MSc ETH EEIT, OSCP, GCFA, OPST

Adrian Schoch has studied Electrical Engineering and Information Technology at Swiss Federal Institute of Technology (ETH) in Zurich. During his master studies, he developed a viterbi decoder chip for 3G mobile telecommunications technology and worked as a software engineer for a leading semiconductor manufacturer. After earning his degree, Adrian was hired by one of the “Big Four” audit firms as a cyber security consultant where he reviewed IT security concepts and carried out vulnerability tests and mobile application security audits, amongst others. In June 2016, he joined Oneconsult as a penetration tester and IT forensics specialist and has been leading the incident response & IT forensics team since September 2016. Adrian is an Offensive Security Certified Professional (OSCP), a GIAC Certified Forensic Analyst (GCFA) and a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0x716EF8B8 Key FP: 293C 366E A2A9 5256 0A8C 2BDD 563F 59CC 716E F8B8

Thomas Tunkel
Head of Sales
-

Thomas Tunkel has many years of managerial experience in the service industry in the German- and English-speaking world. Beginning in 1999, he turned to strategy implementation and gained experience in sales, customer orientation and management. Thomas is a lecturer for sales, project management and organization at various colleges and educational institutes and joined Oneconsult in April 2017 as a Security Sales Executive. He is Head of Sales since August 2017.

OpenPGP

Key ID: 0xA29DEF41 Key FP: 0F1E F3E1 6CE6 D4E5 2E82 1416 0BF0 D8FA A29D EF41

Marco Wohler
Head of IT
System Engineer & Penetration Tester

Informatiker EFZ, GCED, OPST

Already during his apprenticeship and professional activity in logistics, Marco Wohler was interested in computer science. This is why he decided to attend a vocational college to do an IT apprenticeship. During his practical training, Marco has gained extensive experience with Linux and Windows systems as well as in IT support, release and project management. Since November 2014 he has been employed as a system engineer and penetration tester at Oneconsult; since October 2018 he has also been leading the IT team. Marco is a GIAC Certified Enterprise Defender (GCED) and a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0x1A4D7D98 Key FP: 0A25 B595 2115 3918 B5B8 4E3B A43C 071E 1A4D 7D98

Fabian Schewetofski
Information Security & Safety Officer
Security Consultant & Penetration Tester

MSc ETH CS, ISO 27001 Provisional Auditor, GCFE, OSCP, OPST

Fabian Schewetofski completed his Master in Information Security in spring 2017 at ETH Zurich. In his bachelor thesis, he addressed the analysis and deanonymization of Bitcoin transactions. His self-designed master thesis was on the subject of software-assisted and security-minded dry-run training. Since April 2017, Fabian has been employed at Oneconsult as a security consultant and penetration tester. Since October 2018 he also acts as an Information Security & Safety Officer. Fabian is an ISO 27001 Provisional Auditor, GIAC Certified Forensic Examiner (GCFE), Offensive Security Certified Professional (OSCP) and a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0xE4B002B9 Key FP: EFBE FB27 302A D589 8FCC 0575 D39A 51E6 E4B0 02B9

Sandro Affentranger
Penetration Tester
MSc ETH CS, OSCP, OPST

Sandro Affentranger studied computer science at the Swiss Federal Institute of Technology (ETH) in Zurich, one semester of which he spent at the KTH Royal Institute of Technology in Stockholm, Sweden. For his master studies he specialized in Information Security and wrote his master thesis on anonymous communication in future Internet architectures. During his studies, Sandro Affentranger completed an internship as a software engineer with a Swiss IT services provider, developing a web application. Afterwards he continued working as part-time software engineer focusing on mobile application development. He joined Oneconsult in October 2017 as a penetration tester. Sandro is an Offensive Security Certified Professional (OSCP) and a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0x362ABFE3 Key FP: 3F0D ACD0 076F AE5E 886E 8321 2F08 C34D 362A BFE3

Claudio Anliker
Senior Penetration Tester
MSc in Informatics UZH, OSCE, OSCP, OPST

Claudio Anliker has studied computer science at the University of Zurich and gained his master degree (MSc in Informatics UZH). The focus of his bachelor studies was the development of software systems. During his master, Claudio focused on information security. Claudio has been working as a penetration tester at Oneconsult since May 2016 and became a senior penetration tester in April 2018. He is an Offensive Security Certified Expert (OCSE), an Offensive Security Certified Professional (OSCP) and a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0xF4244A04 Key FP: 1090 2C88 7943 3EC9 140E 364B 7F09 2C17 F424 4A04

Georg Bube
Penetration Tester & Security Consultant
MSc in Mathematics TU Darmstadt, OSCP

Georg Bube studied mathematics with a minor in computer science and graduated with the title MSc in Mathematics Technische Universität Darmstadt. He completed two semesters at the Ecole Polytechnique Fédérale de Lausanne (EPFL), where he further developed his French language skills. Georg's main focus in the minor subject computer science was on the theoretical examination of cryptography. Since April 2018 he has been working for Oneconsult as a Penetration Tester & Security Consultant. Georg is an Offensive Security Certified Professional (OSCP).

OpenPGP

Key ID: 0x7AFD947F Key FP: 1C9E 1B72 5505 4CB5 9839 D0D8 D025 F22B 7AFD 947F

Angela Castagna
HR & Finance Specialist
Dipl. Hôtelière-Restauratrice HF

After receiving her certification in hotel and restaurant management, Angela Castagna worked for several years as an executive assistant for international corporations and was most recently an executive assistant and team leader with a leading consulting company in the field of occupational pensions. Since August 2014 she has been working at Oneconsult in the fields HR and Finance.

OpenPGP

Key ID: 0xD79950FD Key FP: 79F6 D91E 8BE6 2637 207F F678 9C67 5415 D799 50FD

Mervin Cheok
Software Developer
BSc FH BIT

After completing an apprenticeship in computer science with a focus on application development, Mervin Cheok worked in the insurance and IT industry. At the same time, he completed a Bachelor of Science degree in Business Information Technology at the Kalaidos University of Applied Sciences. In 2015, with ten years of work experience, Mervin began a full-time study of Informatics at the University of Zurich in order to further deepen his knowledge in computer science and gain new cultural insights during an exchange semester in Singapore. Since spring 2018 he has been working as a software developer at Oneconsult.

OpenPGP

Key ID: 0x4DD6FB54 Key FP: 8B77 A595 8189 DB4F 7582 A6E9 F5E6 4C09 4DD6 FB54

Tram Anh Duong
Software Developer
-

While studying Mathematics at the ETH Zürich, Tram Anh Duong learned to appreciate algorithms and application programming. Wanting a more practical insight into software development led her to studying Computer Science at Zurich University of Applied Sciences where she could continue her part-time studies while working on real life projects for companies. Tram Anh has held position with a leading Swiss CMS company and completed an internship at the Kantonspolizei digital forensics division. She finally joined Oneconsult as a part-time software developer in July 2018.

OpenPGP

-

Marisa Fagagnini
Backoffice Manager
Kaufmännische Angestellte

Marisa Fagagnini finished her commercial education in 1996. After that she spent one year abroad in the USA and then worked in various industries. Amongst others, Marisa was employed in the financial sector where she advised customers, was responsible for the training of apprentices and acted as deputy of the team leader. Most recently, she worked as an executive assistant at an SME. Since July 2016 she has been employed as a backoffice manager at Oneconsult, where she is a point of contact for diverse customer requests.

OpenPGP

Key ID: - Key FP: -

Simon Farner
Software Developer
Elektroniker EFZ

After completing his training as an EFZ electronics technician and one year of professional activity, Simon Farner decided to turn his hobby into a career and enrolled in the ZHAW Bachelor of Computer Science programme in the summer of 2014. During his studies, his interests slowly shifted from hardware-related embedded systems to information security. In March 2018, Simon finally took the chance to start his career in the security industry as a software developer at Oneconsult while studying part-time.

OpenPGP

Key ID: 0x0C4E2047 Key FP: EA8B 565B AC5E C052 9A2D EC04 D24C EAF4 0C4E 2047

Simon Gfeller
Penetration Tester
BSc FH CS, OSCP, OPST

Simon Gfeller completed his apprenticeship in information technology at a telecommunications provider in 2006. After several years working as an IT supporter, he decided to start his bachelor studies at the Bern University of Applied Sciences (BFH). In spring of 2016, Simon gained his BSc BFH in computer science with a focus on IT security. During his bachelor, he obtained the OSSTMM Professional Security Tester (OPST) certificate and acquired first experiences in penetration testing. Since Mai 2016, Simon has been working as a penetration tester at Oneconsult. He is also an Offensive Security Certified Professional (OSCP).

OpenPGP

Key ID: 0x501A7A56 Key FP: A5E7 2C7D 37E2 480F 85AF DB5F E3E4 E947 501A 7A56

Fabian Gonzalez
Senior Penetration Tester
BSc FHO CS, GXPN, OSCE, OSCP, OPST

Fabian Gonzalez completed his apprenticeship in information technology with a focus on systems engineering at a Swiss major bank. During this time, he worked for one and a half years in the Security Operations Center (SOC). Afterwards Fabian studied information technology at the University of Applied Sciences Rapperswil and finished 2014 with a BSc FH degree in computer science. He then worked at one of the „Big Four” auditing companies as an information security consultant. Fabian joined Oneconsult in January 2016 as a penetration tester and became a senior penetration tester in April 2018. He was certified as a GIAC Exploit Researcher and Advanced Penetration Tester (GXPN), an Offensive Security Certified Expert (OSCE) and Offensive Security Certified Professional (OSCP) and is a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0xC26EA43F Key FP: 11E4 F62D 5547 5E5F 97F5 8E89 4CA7 6AF4 C26E A43F

Yannick Gross
Security Sales Executive

Yannick Gross joined Oneconsult in July 2018. He worked for a leading financial services provider, where he gained a lot of experience in dealing with customers through various projects. After successfully completing his commercial diploma, Yannick decided to study business administration at the Zurich University of Applied Sciences in Winterthur, where he has been studying part-time for two years.

OpenPGP

-

Damian Gruber
Penetration Tester & IT Forensics Specialist
MSc ETH CS, ISO 27001 Provisional Auditor, OSCP, GCFE, OPST

During his studies at ETH Zurich, Damian Gruber specialized in Information Security, and received the title MSc ETH CS in 2016. He conducted his master's thesis in the security group of a Fortune 500 company in Germany, where he mainly focused on blockchain research. Damian has contributed to multiple publications for international top journals and conferences, and to (filed) patents in this area. Since January 2017, he has been employed at Oneconsult as Penetration Tester & IT Forensics Specialist. Damian is a certified ISO 27001 Provisional Auditor, an Offensive Security Certified Professional (OSCP), a GIAC Certified Forensic Examiner (GCFE) and a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0xBB0E6AD4 Key FP: 7115 DEF9 5773 DD6A 3152 5032 2160 C8C2 BB0E 6AD4

Philipp Hauenstein
Security Sales Executive
MA UZH, ISO 27001 Provisional Auditor, ISO 27035 Provisional Incident Manager, OPSE

During his studies in political science at the University of Zurich and the military academy at the Swiss Federal Institute of Technology (ETH) in Zurich (2003-2009), Philipp Hauenstein showed great interest in the military and security policy of the information age. In particular, his attention was drawn to the potential of attacks from cyberspace. In parallel, Philipp developed a great technical liking for the protection of communication channels based on his activities for the security community in the German speaking region. After having worked as a sales representative for secure VoIP solutions and as an expert for communication security, he was employed by a large telecommunications provider until the end of 2013, where he was responsible for the sale of comprehensive communication solutions. Since January 2014 Philipp has been working for Oneconsult, primarily as a security sales executive. He is a certified ISO 27001 Provisional Auditor, a certified ISO 27035 Provisional Incident Manager and a certified OSSTMM Professional Security Expert (OPSE).

OpenPGP

Key ID: 0xEC28A62E Key FP: 14F2 EA5C 7BE2 36DC 03CB 1673 1429 0A59 EC28 A62E

Alexander Hofmann
Software Developer & Penetration Tester
BSc in Informatics UZH, OPST

Alexander Hofmann started his academic career in 2011 at the ETH Zurich, studying physics before switching to the University of Zurich where he is currently completing his MSc in Computer Science. Since 2014, he has been giving tutoring lectures to first-year students in the subjects «Introduction to Programming» and «Technical Basics of Computer Science». In April 2016, Alexander joined Oneconsult as a part-time software developer and penetration tester. He is a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0x979D6A87 Key FP: 7FBE 48E9 1DE7 8492 4A6E A4FD 60E1 BEEE 979D 6A87

Jakob Kunzmann
Penetration Tester
MSc in Applied Computer Science THD, OSCP

Jakob Kunzmann graduated in Applied Computer Science with a focus on Embedded Systems at the Technical University Deggendorf. In his bachelor thesis he developed an encrypted VoIP application and used penetration testing methods for the first time. In his master thesis Jakob dealt with network protocols for user authentication and administration. Since August 2018 he is employed at Oneconsult as a penetration tester. Jakob is an Offensive Security Certified Professional (OSCP).

OpenPGP

Key ID: 0xEC93DA46 Key FP: CEFA 9E15 8011 7C68 AB53 44D7 4C1F E325 EC93 DA46

Dilip Many
Senior Penetration Tester & IT Forensics Specialist
MSc ETH CS, GXPN, OSCP, GCFE, OPST

Dilip Many was involved in IT even before his studies in computer science at the Swiss Federal Institute of Technology (ETH) in Zurich. During his master he specialized in information and IT security and continued working as a research associate at the ETH for two more years. During this time Dilip participated in academic teaching and took care of the course „Network Security”. Furthermore, he was involved in research projects focusing on „Secure Multiparty Computation” and technical possibilities to detect network attacks. In February 2013, Dilip joined Oneconsult as a penetration tester and IT forensics specialist and became a senior penetration tester in 2016. He is a GIAC Exploit Researcher and Advanced Penetration Tester (GXPN), a GIAC Certified Forensic Examiner (GCFE), an Offensive Security Certified Professional (OSCP), and a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0xD1FE90CE Key FP: 6820 20CA 3EF9 37AF D3B0 8BCB 2526 F238 D1FE 90CE

Lorella Mistretta
Backoffice Manager
Commercial Employee, Federal Diploma of Vocational Education and Training

Lorella Mistretta finished her commercial apprenticeship in summer 2017 working in administration and services. Since September 2017 she has been employed as a member of the backoffice team and acts as a point of contact for diverse customer requests at Oneconsult.

OpenPGP

Key ID: 0xD08F3426 Key FP: 7736 F249 8C0B 00FA F9FC BE10 9DEC D377 D08F 3426

Fabian Murer
IT Forensics Specialist & Penetration Tester
MSc ETH CS, OSCP, GCFE

Fabian Murer completed his Master's degree in Computer Science at ETH Zurich with a specialization in Information Security in April 2018. In his master thesis he developed a digital signing system which transmits data based on QR codes only via an air gap. His interest in penetration testing and hacking challenges brought Fabian to the final of the Swiss Cyber Storm in autumn 2017. He is an Offensive Security Certified Professional (OSCP), a GIAC Certified Forensic Examiner (GCFE) and has been working as an IT Forensics Specialist & Penetration Tester at Oneconsult since June 2018.

OpenPGP

Key ID: 0x989DFFB1 Key FP: B66D 538F FC39 4B71 03B0 914A 9893 A2E2 989D FFB1

Peter Oberholzer
Security Sales Executive
PR Berater SPRI

Peter Oberholzer's affinity for information technology started in 1984 and has been a recurrent theme in his professional career ever since. His background in public relations and interest in IT security finally led him to Oneconsult, where he has been working as a security sales executive since September 2006.

OpenPGP

Key ID: 0xF4E06032 Key FP: C933 E54D 8B51 F2D3 A5FA BE5E FEE5 1545 F4E0 6032

Markus Schalch
Senior Penetration Tester & Security Researcher
MSc ETH CS, OSCP, OPST

Markus Schalch has studied at the Swiss Federal Institute of Technology (ETH) in Zurich where he gained his degree in computer science (MSc ETH CS). During his studies he worked as a system administrator for a Swiss engineering company. For his master studies Markus specialized in information security and wrote his master thesis on jamming resistance in wireless communication. As an assistant in the lecture network security, he discovered his passion for penetration testing and gained first-hand insight into this field. Since September 2015 Markus has been working as a penetration tester and security researcher at Oneconsult and became a senior penetration tester and security researcher in April 2018. He is an Offensive Security Certified Professional (OSCP) and a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0xBD2EB20D Key FP: 196D B6AD EA71 39DF 3D75 5559 7FA9 337E BD2E B20D

Olivier Schenk
Penetration Tester & Security Consultant
BSc BIT, CISSP, ITIL Foundation

Olivier Schenk graduated from the Lucerne University of Applied Sciences and Arts in 2014 with a degree in Business Information Technology. Prior to that, he was employed for several years at a consulting firm as a system administrator. During and after his studies, Olivier worked in several roles for a Managed Security Service Provider. From operation to engineering and architecture (including technical leadership), he carried out network security projects in national and international customer environments. During this time, Olivier was also responsible for the further development of Managed Security Services as Program Manager for several years. He has been working as a Penetration Tester and Security Consultant at Oneconsult since July 2018.

OpenPGP

Key ID: 0x1D11C14C Key FP: 48F3 70A5 0D2B 7882 5618 68EF 18D9 6187 1D11 C14C

Frank Ully
Senior Penetration Tester & Security Consultant
MSc SecMan, MSc KMM, OSCE, OSCP, GREM, LPIC-3, OPST

Frank Ully has studied Technical Communication at the Karlsruhe University of Applied Sciences and graduated with a diploma degree (now equivalent to a master in Communication and Media Management). While still a student, he set up the Corporate Communications and Documentation department of a Berlin-based software manufacturer and headed it for several years. Later, Frank was responsible for internal user systems and IT security. He has studied Security Management with a specialization in IT security at the Brandenburg University of Applied Sciences and was certified as an Offensive Security Certified Expert (OSCE) and Offensive Security Certified Professional (OSCP). Frank also holds the GIAC Reverse Engineering Malware (GREM) and Linux Professional Institute Certification Level 3 (LPIC-3) certifications and is a certified OSSTMM Professional Security Tester (OPST). At the end of his master studies, he began working as a penetration tester and security consultant at Oneconsult Germany in November 2017 and became a senior penetration tester and security consultant in April 2018.

OpenPGP

Key ID: 0x9D57F2FD Key FP: BDE1 6A75 FA94 BF99 7CEA 21FF A5AE 35D7 9D57 F2FD

Adrian von Arx
Penetration Tester & Security Consultant
Informatiker EFZ

Adrian von Arx completed his training in 2009 with a Federal VET Diploma in Information Technology. After two years as a system engineer, he switched to development and was heavily involved with web technologies. During his 7 years as a developer, Adrian worked for clients in the finance, transport and technology industries, amongst others. At the same time, he deepened his knowledge in information security and was part of the Swiss national team at the European Cyber Security Challenge in 2015 and 2016. Adrian has been a member of Swiss Cyber Storm and coach of the National Hacking Team since 2017. In July 2018 he joined Oneconsult as a Penetration Tester & Security Consultant.

OpenPGP

Key ID: 0x07CCB0D6 Key FP: 4B7D 1A7E BA73 F0F0 043E 1381 A4B0 D24D 07CC B0D6

Michael von Arx
Senior Information Security Consultant
BSc FHO BA/BIT, ISO 27001 Lead Auditor, ITIL Foundation, COBIT 5 Foundation, IPMA Level D

Michael von Arx studied Business Administration (BA) at the University of Applied Sciences St. Gallen and graduated in September 2015 as BSc FHO in BA. After his studies, he worked as a senior consultant in the Risk Advisory Team of one of the «Big Four» auditing firms. During this time Michael von Arx continued his education as a Certified Project Management Associate (IPMA Level D) and Certified Professional for Requirements Engineering (IREB). Since May 2018 he has been working at Oneconsult as an Information Security Consultant, since October 2018 as a Senior Information Security Consultant. Michael is an ISO 27001 Lead Auditor, and ITIL Foundation as well as COBIT 5 Foundation certified.

OpenPGP

Key ID: 0x38D6D056 Key FP: CBDA B3FA 33A2 F9D7 6097 BCB2 766B EAF6 38D6 D056

Gregor Wegberg
Senior Security Consultant & Penetration Tester
MSc ETH CS, ISO 27001 Lead Auditor, OSCP, OPST, OPSA, eCDFP

After his IT apprenticeship with a focus on software development at a Swiss financial service provider, Gregor Wegberg decided to study computer science at the Swiss Federal Institute of Technology (ETH) in Zurich. During his studies, he specialized in information security and worked as a teaching assistant taking care of the ETH course “Applied Security Lab”. Furthermore, Gregor was employed as a part-time software engineer, being in charge, amongst others, for the requirements analysis and implementation of a solution for a large private bank. After graduating with a master’s degree in computer science (MSc ETH CS), he joined Oneconsult in January 2017 as a penetration tester and security consultant and is a senior security consultant & penetration tester since December 2017. Gregor is a certified ISO 27001 Lead Auditor, an Offensive Security Certified Professional (OSCP), a certified OSSTMM Professional Security Tester (OPST) and an OSSTMM Professional Security Analyst (OPSA).

OpenPGP

Key ID: 0x09A84E80 Key FP: 6B8C 3504 8B88 94A1 1A7E 8034 E741 F2BE 09A8 4E80

Alex Wettstein
Penetration Tester & Security Consultant
Dipl. Techniker HF Informatik, MAS IS, ISO 27001 Lead Auditor, IPMA Level D, ITIL Foundation, OPST

Alex Wettstein has been working in IT since 2000 and has held various positions such as application developer as well as system and network administrator. Between 2003 and 2006 he completed a part-time college education as a technician of informatics, specializing in business information technology after his initial vocational training as an electrician. Next, Alex worked as a system engineer for an international financial services group and acted as a technical project manager of cross-divisional projects. During this time he became a Certified Project Management Associate (IPMA Level D) and gained the ITIL v3 Foundation certification. Alex joined Oneconsult in August 2013 as a security consultant and penetration tester. He is an ISO 27001 Lead Auditor, certified OSSTMM Professional Security Tester (OPST) and owns a Master of Advanced Studies Hochschule Luzern/FHZ in information security.

OpenPGP

Key ID: 0x71C63238 Key FP: 0ABF AA1A 847C 90B3 821F 959E B0AA 1660 71C6 3238

Severin Wischmann
Senior Penetration Tester & IT Forensics Specialist
MSc ETH CS, GXPN, GREM, OSCP, OPST, OPSA

Severin Wischmann has studied computer science at the Swiss Federal Institute of Technology (ETH) in Zurich, one semester of which he spent in Sweden at Lund University. During his master studies he specialized in IT security and wrote his master thesis in the field of hardware security. Severin has worked as a teaching assistant at the ETH focusing on programming and as a software engineer for an e-commerce company doing web application development. He joined Oneconsult in October 2014 as a penetration tester and IT forensics specialist and became a senior penetration tester in April 2017. Severin is an Offensive Security Certified Professional (OSCP), a GIAC Exploit Researcher and Advanced Penetration Tester (GXPN), holds the GIAC Reverse Engineering Malware (GREM) certificate, is an OSSTMM Professional Security Tester (OPST) and an OSSTMM Professional Security Analyst (OPSA).

OpenPGP

Key ID: 0x9C70E9D8 Key FP: 05DA 411F 619C F0FB 09C2 9559 CBF9 B1F8 9C70 E9D8

Remo Wobmann
System Engineer & Penetration Tester
BSc FHNW Eit, OPST

After completing his apprenticeship as an electrician, Remo Wobmann enrolled at the FHNW School of Engineering, from which he graduated with a bachelor’s degree in Electrical Engineering and Information Technology. After his studies, Remo was employed as a developer of hard- and software for embedded systems. He joined Oneconsult in September 2017 as a system engineer and penetration tester. Remo is a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0x51D4392A Key FP: FE6F 942F 8486 4295 9AD6 5696 4BB2 28D8 51D4 392A

Ernst Zachow
Senior Security Consultant & Penetration Tester
MSc ETH CS, ISO 27001 Auditor, OSCP, OPST

Ernst Zachow has studied at the Swiss Federal Institute of Technology (ETH) in Zurich where he gained his degree in computer science (MSc ETH CS). During his master studies he specialized in information security and wrote his master thesis in network protocol testing. Before working for Oneconsult Ernst completed an internship at a Swiss biometrics company. He has been working for Oneconsult since April 2015 as both security consultant and penetration tester and is a senior security consultant & penetration tester since December 2017. Ernst is a certified ISO 27001 Auditor, an Offensive Security Certified Professional (OSCP) and an OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0x43870F94 Key FP: EC95 C9DF CD22 8468 B828 B247 A5DD CD75 4387 0F94

Marc Züst
Penetration Tester
MSc ETH CS, OSCP, OPST

Marc Züst has studied computer science at the Swiss Federal Institute of Technology (ETH) in Zurich, specializing in Information Security. He wrote his master thesis about phishing prevention and graduated in 2017 (MSc ETH CS). During his studies, Marc completed an internship as software engineer with a Swiss IT services provider, where he focused on programming web applications. Since April 2017, he has been employed at Oneconsult as a penetration tester. Marc is an Offensive Security Certified Professional (OSCP) and a certified OSSTMM Professional Security Tester (OPST).

OpenPGP

Key ID: 0x089017F1 Key FP: 7919 7905 0541 BB17 B5E0 82E1 8B16 59FA 0890 17F1