ZS

zSecurity

Dublin, Ireland

Penetration TestingOffensive SecurityApplication SecurityCloud Security
Serves Enterprise, Public Sector, Consumer
Profile last updated: May 8, 2026

About

zSecurity is a cybersecurity company based in Dublin, Ireland working in penetration testing, offensive security, application security +3 more.

zSecurity is an ethical hacking and cyber security company offering penetration testing, manual and tool-assisted security testing, code review, and vulnerability disclosure through its Bug-Bounty platform. It also provides OSINT consulting for businesses, law enforcement agencies, journalists and cybersecurity professionals, and ethical hacking and cyber security training courses. The company serves organisations including international banks and governments, and offers ZSVPN, a VPN service focused on privacy. Reports are delivered in both non-technical and detailed technical formats, and remediation advice or patching support is available on request.

Location

Dublin, Ireland

Focus areas

ethical hackingpenetration testingbug bountyvulnerability disclosureOSINTcode reviewVPNcyber security training

Languages

EN

Services & products

Security domains

Penetration TestingOffensive SecurityApplication SecurityCloud SecurityNetwork SecurityThreat Intelligence

How they deliver

ConsultingProfessional ServicesTrainingSoftware

Products

Bug-Bounty

View

Vulnerability disclosure platform

Crowd-sourced vulnerability disclosure platform that helps organisations keep software secure.

ZSVPN

VPN

VPN service providing privacy protection through the company's own VPN servers.

Customers

EnterprisePublic SectorConsumer

Industries served

Finance

People

Management & team (3)

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