About avantguard cyber security
Founded on August 10, 2021, avantguard cyber security offers technical security audits such as penetration tests, red teaming, and client audits. Thanks to our specialization and numerous certifications in this field, we are able to provide our services with the highest quality and have been privileged to count reputable companies among our clients since our inception. All services are carried out by our certified experts either at our location in Rapperswil SG or on-site at our clients' premises. We stand for proactive security in line with our motto: STRIKE BEFORE HACKERS.
Our Team
Pascal Sommer
CEO & Founder
BSc ETH CS, OSEP, OSCP, CRTL, CRTO, CRTP, CARTP, OPST
Pascal leads the execution of attack simulations and red teaming activities of all kinds to assess the situation and proactively improve the security of our customers. He places particular emphasis on protection against realistic threats and practicable security, supported by his sound and in-depth knowledge of attack techniques. Additionally, he leads the further development of software solutions for our clients.
Specialties: Red Teaming, Attack Simulation, MITRE ATT&CK®
Jann Lemm
CTO & Founder
BSc FH ST, OSCP, CRTP, CARTP, OPST
Jann supports our customers through every step of their cybersecurity transformation. This includes prioritizing and planning projects, scoping and executing them. Through his work on mandates over several years, he has also gained valuable knowledge of customer-internal tracking and reporting of results. In addition to project work, he continues to further enhance our payloads and tools and leads the research.
Specialties: Windows Internals, EDR Evasion, Android Mobile Tests
Lorella Mistretta
Office Manager
Commercial Employee EFZ, Leadership SVF
Lorella completed her apprenticeship as a Commercial Employee EFZ (Federal Diploma of Vocational Education and Training) in a leading Swiss manufacturing and trading company. She then worked for several years as a back office manager for a leading cyber security service provider in Switzerland. Based on her performance, she was promoted to Deputy Team Leader Backoffice and was entrusted with the management of the backoffice for over a year. As part of this promotion, Lorella Mistretta successfully completed the Leadership SVF course and is certified accordingly.
Specialties: Resource Management, Planning
Rinaldo Erens
Penetration Tester
System Engineer EFZ, OSCP
As a penetration tester, Rinaldo explores our customers' systems and checks them for vulnerabilities. Driven by curiosity, he gets involved with the individual target system. He is convinced that complexity increases the attack surface. In his seek after knowledge, he is able to uncover risks and thus reduce the existing attack surface. He also has over 10 years of experience as a technical consultant.
Specialties: GNU/Linux, Physical Penetration Testing, giving presentations and conducting trainings
Andrei Herasimau
Penetration Tester
MSc ETH CS
As a penetration tester, Andrei explores our customers' systems and checks them for vulnerabilities. During his studies at ETH Zurich, he was able to gain knowledge about secure software development, which he now uses in practice. With his experience in formal modeling of cryptographic protocols, as well as in software development, he can analyze the underlying causes of a vulnerability.
Specialties: Cryptography, Secure Development, AI & LLM Penetration Testing
András Tarlós
Software Engineer
Informatiker EFZ
As a software engineer, András develops software solutions for our customers. After successfully completing the Informatikmittelschule (IMS) and obtaining the Informatiker EFZ certification, he began studying computer science part-time at the Ostschweizer Fachhochschule, specializing in cyber security. András' goal is to overcome challenges as efficiently and straightforwardly as possible.
Specialties: Python Development, GNU/Linux
Sandro Ackermann
Penetration Tester
CAS Cyber Security, HF Informatik
Sandro combines passion with expertise. He lives and breathes IT security, and checks customer systems for vulnerabilities. Thanks to his varied work in different roles, combined with the successful completion of the CAS Cyber Security, he knows how to effectively uncover the weaknesses of systems and develop targeted security strategies.
Specialties: IT infrastructure, Citrix