NHS Care Identity Service 2 (CIS2)

Version 1.2, 28 March 2025

This guidance is part of the Information governance and data protection section of the Good practice guidelines for GP electronic patient records.

NHS CIS2 Authentication is a secure authentication service used by health and care professionals in England to access national clinical information systems.

It opens up new authentication options as alternatives to smartcards, including iPads, security keys, Windows Hello and Microsoft Authenticator.

You can find out more by visiting the NHS CIS2 Authentication – NHS England Digital website.