Caeirus

Caeirus

Epinay-sur-Orge, France

Penetration TestingOffensive SecurityManaged SecurityDetection & Response24/7 SOC
Founded 2017Serves SMB
Profile last updated: June 11, 2026

About

Founded in 2017, Caeirus is a cybersecurity company based in Epinay-sur-Orge, France working in penetration testing, offensive security, managed security +9 more.

Caeirus is an independent French cybersecurity firm founded in 2017, operating from Paris, Guadeloupe, Martinique and French Guiana. It provides penetration testing and red team services, security audits (web, mobile, IoT, Wi-Fi, cloud, server configuration, source code, organisational and homologation audits), and risk analysis based on ISO/IEC 27005 and EBIOS. Its services also include a 24/7 security operations centre (SOC Centre de Cyberdéfense) offering monitoring, detection and alerting, incident response and remediation, digital forensics, and outsourced CISO (RSSI) and DPO services for GDPR compliance. Caeirus delivers certified cybersecurity and ISO-based training courses, including ISO/IEC 27001, 27005, 27035 and cloud security programmes, in partnership with PECB.

Location

Epinay-sur-Orge, France

Founded

2017

Focus areas

penetration testingred teamSOCmanaged detectionincident responsedigital forensicsGRCGDPR complianceDPO outsourcingsecurity awarenessISO 27001 trainingcloud securityWi-Fi security audit

Languages

FR

Services & products

Security domains

Penetration TestingOffensive SecurityManaged SecurityDetection & ResponseIncident ResponseDigital ForensicsApplication SecurityCloud SecurityNetwork SecuritySecurity AwarenessGRC & ComplianceData Protection

How they deliver

Professional ServicesConsultingManaged ServicesTraining

Operations

Runs a 24/7 security operations centre

Customers

SMB

Compliance & partners

Compliance frameworks

ISO 27001ISO 27005ISO 27035GDPRNISTMITRE ATT&CKHIPAASOC 2PCI DSSRGS

Credentials & affiliations

Certifications

ExpertCyber label

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