D3 Cyber

D3 Cyber is a cybersecurity company based in Cluj-Napoca, Romania working in managed security, detection & response, penetration testing +8 more.

D3 Cyber is a cybersecurity company operating from Romania and serving clients in the European Union, United Kingdom and United States. Its services cover virtual CISO (fractional CISO) leadership, managed compliance and certification support for frameworks such as NIS2, ISO 27001, TISAX, PCI DSS, SOC 2 and DORA, penetration testing and vulnerability assessment including AI and LLM security testing, incident response and digital forensics, managed detection and response, dark web monitoring, phishing simulation and security awareness training, cloud security governance, and AI security and governance aligned with ISO 42001 and the EU AI Act. The company positions its work around a three-phase lifecycle of Assess, Architect and Manage, and reports completing engagements for clients across multiple sectors, including banking, automotive and software.