Headquartered in the United Kingdom, we are a member owned
international nonprofit organisation

Alert, intelligence-led with collective insight, we detect and adapt early to all environments and threats.

In constant pursuit of adversaries and threats, we remain prepared, precise and mission-focussed.

We fortify the collective defence of our members and the wider digital economy. 

INTRODUCTION
TO THE CDA

Through trusted collaboration, we generate and share high confidence, actionable intelligence that helps organisations stay ahead of emerging threats, strengthen cyber resilience and reduce impact.

As a unified Alliance committed to collective defence, we mobilise together under our Article V principle to support any member under pressure, acting as one coordinated force.

Grounded in agility, impact, mission focus and uncompromising security, we safeguard critical services, protect trust in the digital economy, and reinforce national and regional resilience.

Proven by
Trusted Partnerships

We support:

  • Our institutional members
  • Their clients and customers
  • The communities they serve and support
  • Cyber security agencies
  • Law Enforcement agencies
  • Intelligence and Security agencies
  • Telecommunication partners

OUR CAPABILITIES

  • Network Defence & Cyber Threat Intelligence, including significant vulnerability analysis, threat infrastructure hunting, threat modelling, domain analysis and blocking,
  • Cybercrime Investigations including analysis of emerging trends, target intelligence and law enforcement collaboration.  
  • Cross-Sector collaboration including telecommunication and technology, supply chain resilience and third-part assurance. 
  • International Collaboration with law enforcement, security services and other non-profit organisations.  
  • Insider Threat including trend analysis and sharing guiding principles good practice.
  • Geo-Political analysing global events to produce insight and foresight pertaining to the cyber threat landscape.
  • Collective Support infrastructure with daily engagement channels.

CDA FOUNDATIONS

Our foundations are built on partnership and enhanced capability, driving action and impact through a commitment to social responsibility, mutual defence, trust, and shared insight and foresight.


Effective collective defence depends on high-confidence partnerships that extend across industry, law enforcement and the wider national security and intelligence communities.


Our focus extends beyond traditional threat intelligence toward operational insight, understanding of exposure and actionable analytical support for decision making.


The CDA is designed as a coalition of action, not simply a community of interest. We are hunters not farmers.


Strong collective defence strengthens confidence in the digital services and institutions upon which communities depend daily. 


Collective defence recognises that today’s attack against one organisation may become tomorrow’s attack against another.


Shared understanding improves not only detection and response, but long-term resilience and capability maturity.


The CDA represents a proven operational environment developed through meaningful participation rather than passive membership.


In cyber defence, time is often the decisive factor. The CDA exists to compress the time between detection, understanding and coordinated action.

OUR TRUSTED PARTNERS

FOR MORE INFORMATION ABOUT JOINING THE CDA


Fill out the form below to explore joining the CDA and discover how we can help your organisation navigate the complexities of cyber defence.

← Back

Thank you for your response. ✨