Penetration Testers and Toolmakers

Gremwell offers security consulting services in Belgium in the area of penetration testing, ethical hacking, vulnerability assessments and security code and configuration reviews.
10 Years Anniversary!
Gremwell has just turned 10 years old! We have been operating since December 2009.

Our Services
We perform the security testing of all kinds of IT systems: web applications, mobile applications, custom client-server applications, telephony and VoIP systems, hardware, systems, networks, etc. The goal of a security test is to identify the security vulnerabilities in the system under test, assess their business impact and provide recommendations for fixing them. Read more about how we work...
Our Clients
We work in confidentiality and value our clients' privacy. Therefore we can not provide the names of all our clients. However some of our clients have given us their permission to use them as a reference:

Proximus. Belgium's telephone and mobile operator.

Allianz Benelux. Insurance and financial services.

Portima. IT Solutions for insurance industry.

DEME Group. Dredging and land reclamation.

DKV Belgium. Health insurance and related services.

Barco. Digital projection and imaging technology.
Our Team
Alla Bezroutchko
Alla is the Managing Director at Gremwell. She has been working as a penetration tester since year 2000 and specializes in application security and source code reviews.
Alexandre Bezroutchko
Alex is the Managing Director at Gremwell. He has been working as a penetration tester since 2001, focusing on hardware hacking, networking, and OS security.
Raf Somers
Raf has joined Gremwell in 2012. As a security consultant he specializes in mobile applications and networking. Before Gremwell he has worked as a software developer and support engineer.
Sean de Regge
Sean has joined us in 2013. He has been working as a security consultant and penetration tester since 2011. He specializes in mobile applications and exploit development.
Pavel Nakonechnyi
Pavel specializes in hardware and embedded software security. Before Gremwell Pavel has been working as an embedded developer creating userspace applications and kernel drivers for various custom boards.
Aleksandr Evstigneev
Aleksandr joined Gremwell in 2020 and has been working as a penetration tester since 2016. His areas of expertise include red teaming and black box pentests.
Viktor Vukolov
Viktor joined Gremwell in 2020. Before that he has been working as a penetration tester since 2016.
Contacts

+32 (0) 2 215 53 58

Gremwell BVBA
Sint-Katherinastraat 24
1742 Ternat
Belgium
VAT: BE 0821.897.133.