Skip to main content

CIS2 Authentication performance data

The last 6 months of performance data for NHS CIS2 Authentication - the secure authentication service used by health and care professionals in England to access national clinical information systems.

Authentications processed

380m

total

376.1m

smartcards (requires HSCN)

3.3m

iPad app

144.3k

Windows Hello / security keys

137.8k

Microsoft Authenticator

97.3k

Smartcards that authenticate via the internet

115.2k

NHS.net Connect (NHSmail)

Month Smartcards
(requires HSCN)
iPad app Windows Hello
/ Security keys
Smartcards that authenticate via the internet Microsoft
Authenticator
NHS.net Connect (NHSmail)
May 2025 24,177,341 129,393 24,746 25,817 11,944 14,957
April 2025 24,298,514 123,174 22,023 22,388 10,444 13,930
March 2025 23,507,201 109,936 15,715 17,004 8,888 15,020
February 2025 22,380,316 88,800 11,657 11,042 7,606 12,871
January 2025 25,436,990 80,988 10,407 7,054 6,338 11,277
December 2024 21,640,667 59,159 7,288 4,151 4,097 33,121

Users authenticated

735,223

May 2025

Date Users authenticated
May 2025 735,223
April 2025 736,449
March 2025 727,383
February 2025 734,329
January 2025 749,066
December 2024 716,525

Service availability

Date Availability
May 2025 100%
April 2025 100%
March 2025 100%
February 2025 99.98%
January 2025 100%
December 2024 100%

Products and Services using NHS CIS2 Authentication

66

total

25

NHS England services

41

Suppliers


Further information

Last edited: 17 June 2025 2:27 pm