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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

875m

total

851.5m

smartcards (requires HSCN)

5.8m

iPad app

1.6m

Windows Hello / security keys

2.5m

Microsoft Authenticator

13.4m

Smartcards that authenticate via the internet

332k

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)
August 2026 36,858,032 166,309 165,330 1,971,020 222,244 12,809
July 2026 42,908,407 178,981 191,577 1,696,437 255,266 14,257
June 2026 41,946,289 178,560 175,675 1,463,594 230,878 13,612
May 2026 37,486,916 181,475 130,487 1,206,845 204,478 12,963
April 2026 38,491,127 177,274 123,353 1,178,108 191,843 13,770
March 2026 40,014,466 185,062 118,890 1,186,673 193,328 12,549

Users authenticated

936,564

August 2026

Date Users authenticated
August 2026 936,564
July 2026 946,122
June 2026 941,036
May 2026 920,725
April 2026 918,756
March 2026 910,093

Service availability

Date Availability
August 2026 100%
July 2026 100%
June 2026 100%
May 2026 100%
April 2026 100%
March 2026 100%

Products and Services using NHS CIS2 Authentication

79

total

26

NHS England services

53

Suppliers


Further information

Last edited: 9 September 2026 3:16 pm