About Us


Black Cell is a proud cybersecurity company with professionals of over 50 years of combined experience in each of its divisions: Ethical Hacking, incident management, SOC as a Service and related consultancy services, system integration and IT security consulting.

We firmly believe in putting ethics and clients first. With every project we do, we strive to exceed client requirements and expectations.

This philosophy may sound “romantic”, but it allowed us to grow exponentially over the course of 8 years and helped to turn our team into a strong, bonding community, where each and every one of us deeply shares our core values. We are proud to have a very low employee fluctuation.

Black Cell is a pioneer in its niche market, delivering quality service to every single client, regardless of the size of the business or the size of the individual deal. We act fast, are dedicated to solve complex problems and work flexibly to meet the most rigorous expectations.


NATO AQAP 2110:2016 compliant quality management system

Certifies that the quality management system operated by Black Cell complies with the requirements set forth in the NATO AQAP 2110:2016 normative document.

ISO 27001

ISO 9001

Black CERT

Computer security incident response teams (CSIRTs) that are equally enthusiastic about the safeguarding of internet security as the Software Engineering Institute of Carnegie Mellon University, can be awarded with Carnegie Mellon Software Engineering Institute’s CERT Mark. In Hungary only Black CERT, the CSIRT of Black Cell received the authorization to use the CERT Mark.í

Certifications of our Staff

CEH, OSCP, CISSP, CISA, CISM, ISO27001 lead auditor

Vendor specific certifications

Aruba, CyberArk, FireEye, Fortinet, IBM, Palo Alto Networks, Rapid7, Sophos, Tenable

Black Cell Leadership

Gergo Gyebnar
International CEO

Istvan Szallos
Head of VAR & MSS

Dr. Szabolcs Nemeth, Ph.D.
Chief Operating Officer

Tibor Luter

Tibor Luter
Head of SOC

Peter Szollosi
Head of OFFSEC

Zsolt Baranya

Zsolt Baranya
Head of Compliance