4Securitas™ is an innovative European cyber security firm focused on proactively preventing cyberattacks as well as protecting the critical data at the core of every organisation. With offices in Ireland and Italy, the company develops ACSIA XDR Plus™ (Automated Cyber Security Intelligence Application), an Extended Detection and Response solution, that includes Threat Intelligence and Anti-Surveillance protection in our core XDR product.
We deliver a highly evolved and advanced level of cyber protection across hybrid cloud infrastructures, with real time remediation of threats and automation at the core of our design. Our company mission statement is “to democratize the availability of ACSIA as the next modern cyberdefense platform of choice, providing the highest levels of data protection in the market, using open source technology at an affordable price.”
4Securitas was founded by CEO Stefan Uygur and CAO Donal Kerr. Investors include Enterprise Ireland, French cybersecurity services firm iTrust, and Italian investment fund AVM Gestioni.
Our investors




Senior Management Team

Stefan Umit Uygur
CEOBackground: Sun Microsystems, Oracle, The Stars Group, First Derivatives, BackBox

Donal Kerr
CAOBackground: Twitter, Citibank, Boston College

John Long
COOBackground: Sabeo Technologies, Digital Equipment Corporation

Carlo Nasi
Head of Global Business DevelopmentBackground: Warner Records

Domenico Chirabino
Chief Research and Development OfficerBackground: Saadian Technologies, Agenzia delle Entrate, Reply

Claudio Leonardi
Country Manager: ItalyBackground: Juventus FC

Claudio Proietti
CTOBackground: Nestle

Richard Daly
Head of SalesBackground: Alien Vault, Solarwinds

Andrea Ceresoni
Chief Product OfficerBackground: Fastweb, Amazon, Italian Government (Presidency of the Council of Ministers)

Daniela Chirabino
PR & Communication ManagerBackground: Vueling, University of Milano-Bicocca, eDreams ODIGEO