Toreon

TLDR

Toreon is an Antwerp-based Cybersecurity consultancy focused on business-driven security, with particular expertise in threat modelling and application security.

Overview

Founded in 2014 and headquartered in Antwerp, Toreon takes a business-first approach to Cybersecurity consulting. Rather than leading with pure technical tooling, Toreon helps organisations embed security into their software development lifecycle and business processes.

The firm is known for its expertise in threat modelling, application security (AppSec), and DevSecOps practices. With over 60 employees, Toreon serves mid-market and enterprise clients across Belgium and the Netherlands.

CEO Sebastien Deleersnyder is a recognised figure in the international application security community, contributing to OWASP projects and thought leadership in secure software development.

Key People

• Sebastien Deleersnyder - CEO and co-founder

Connections

Operates in the Belgian Cybersecurity cluster alongside NVISO Security, Intigriti, and Aikido Security.