D2NA

D2NA, also known as D2 Network Associates Limited, is a UK cyber security provider and Microsoft Security Partner. It delivers cyber security assurance and operations services for organisations using the Microsoft ecosystem, helping them deploy, manage and maintain business-critical IT securely. Its CyberAscend framework shapes service delivery through five stages: Initiate, Discover, Remediate, Confirm and Continue. The framework draws on cyber security practices from the National Cyber Security Centre and gives clients clarity on their security journey.

D2NA’s assurance services include penetration testing, Cyber Essentials, vulnerability management, configuration reviews, social engineering, OSINT, and governance, risk and compliance support. Its operations services include a CREST-accredited security operations centre offering continuous monitoring, threat detection and incident response, alongside service desk and IT project support. Experienced engineers can support projects from scoping and planning through implementation and handover, with security built in.

The company serves sectors including finance, healthcare, construction, government, fire and rescue, manufacturing, policing, and retail and wholesale.