CN

CND

Computer Network Defence Limited

Corsham, United Kingdom

Managed SecurityDetection & ResponsePenetration TestingOffensive Security24/7 SOC
Founded 2004Serves Enterprise, SMB, Public Sector
Profile last updated: July 2, 2026

About

Founded in 2004, CND is a cybersecurity company based in Corsham, United Kingdom working in managed security, detection & response, penetration testing +8 more.

CND is a UK-based cyber security consultancy, managed security services provider and cyber security recruitment agency. Founded in 2004 with roots in defence and intelligence, it serves government, military and private sector organisations in the UK and internationally. Services include security architecture and engineering, threat intelligence, incident response, penetration testing, SOC operations, governance, risk and compliance, and managed detection and response with eXtended Detection and Response (XDR). Its MSSP offering also covers phishing simulations and managed cyber education. CND operates a 24/7 Security Operations Centre, supports UK MOD suppliers with CSMv4 assessments and implementation, and runs a free Cyber Dashboard providing global threat intelligence. The company is a certified B Corporation and operates a recruitment arm that places cyber security professionals on contract and permanent bases.

Location

Corsham, United Kingdom

Founded

2004

Company type

Limited company

Legal name

Computer Network Defence Limited

Focus areas

cyber security consultancymanaged securityMSSPmanaged detection and responseincident responsepenetration testingcyber security recruitmentB Corp

Languages

EN

Services & products

Security domains

Managed SecurityDetection & ResponsePenetration TestingOffensive SecurityIncident ResponseThreat IntelligenceEndpoint SecurityIdentity & AccessData ProtectionSecurity AwarenessGRC & Compliance

How they deliver

Managed ServicesProfessional ServicesConsultingTrainingSoftware

Operations

Runs a 24/7 security operations centre

Products

CND Cyber Dashboard

Threat intelligence dashboard

Free dashboard providing global threat intelligence, timely alerts and an overall alert state for organisations.

Customers

EnterpriseSMBPublic Sector

Industries served

DefenceCentral Government

Compliance & partners

Compliance frameworks

CSMv4Defence Standard 05-138DEFCON 658Cyber EssentialsCyber Essentials PLUSISO/IEC 27001

Credentials & affiliations

Certifications

B Corporation

Issued by: B Lab

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