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Defence Logic

St. Helier, Jersey, Jersey

Penetration TestingOffensive SecurityManaged SecurityDetection & Response24/7 SOC
Profile last updated: July 21, 2026

About

Defence Logic is a cybersecurity company based in St. Helier, Jersey working in penetration testing, offensive security, managed security +7 more.

Defence Logic is a cybersecurity company offering penetration testing, intelligence-led penetration testing, managed SIEM and security operations centre (SOC) services, incident response, ISO 27001 implementation support, virtual CISO services, security audits and assurance, and security awareness training. Its services serve organisations including law firms, financial services and fiduciary companies, and it operates offices in Jersey and Bristol, United Kingdom.

Location

St. Helier, Jersey

Focus areas

penetration testingSIEMSOCISO 27001virtual CISOincident responsesecurity awareness

Languages

EN

Services & products

Security domains

Penetration TestingOffensive SecurityManaged SecurityDetection & ResponseIncident ResponseGRC & ComplianceSecurity AwarenessThreat IntelligenceApplication SecurityNetwork Security

How they deliver

Managed ServicesProfessional ServicesConsultingTraining

Operations

Runs a 24/7 security operations centre

Products

Defence Logic SIEM

SIEM

Security information and event management platform providing real-time visibility and alerts on threats and incidents across the technology infrastructure, offered as part of a managed SIEM and SOC service.

Industries served

LegalFinancial Services

Compliance & partners

Compliance frameworks

ISO 27001

People

Management & team (4)