What is GCSX?
GCSX stands for Government Connect Secure Extranet. It is a secure, private, Wide Area Network (WAN) which enables secure interactions between connected local authorities and other GSi connected organisations.
GCSX is connected to the Government Secure Intranet (GSi), thus enabling secure interactions between local authorities and central government departments and national bodies. It also provides secure access from connected local authorities to many other secure networks, such as:
- Government Secure Extranet (GSX)
- Government Secure Intranet (GSI)
- National Health Service (N3)
- Criminal Justice Extranet (CJX)
- Police National Network (PNN)
GCSX provides a range of connectivity options to enable access to the GSi network and its hosted services. However, GCSX does not use the Internet or any other public networks.
Why GCSX?
There are many benefits to local authorities from achieving the standard, uniform and high level security Code of Connection (CoCo), including compliance with the Data Protection Act and with both central government policy and the local government data handling guidelines. GCSX now provides a foundation upon which to build shared services and secure multi-agency joint working programmes.
Ongoing, connection to GCSX will ensure that local government is consolidated and supported through the next generation ‘Public Sector Network’. Find out more about the benefits GCSX can bring here...
How does GCSX work?
GCSX is a secure, accredited, fully managed service. The service is hosted from geographically separate data centres, providing data security and network resilience at all times. The diagram below illustrates how GCSX interacts with the GSi and the Internet to deliver a secure communication network to local authorities.


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