Public Sector Internal Identity Federation

Public Sector Internal Identity Federation, or PSIIF, is an IT service developed by the British government.

Service

PSIIF is an identity federation service, to allow civil servants and other public-sector actors to authenticate against other public sector IT systems; potentially offering Single Sign On across multiple departments and agencies, and on the G-cloud. This allows better sharing of information and services.

PSIIF offers several "levels of assurance" of identity:

Level of assurance

Identity verification

Credentials

Accreditation

0

None

Not applicable

Not applicable

1

BPSS and photographic ID

User ID and password

Self-assessment

2

BPSS and photographic ID

User ID and password; additional controls around the client device

Self-assessment

3

BPSS and photographic ID

Strong authentication, such as two-factor

Independent accreditation

4

National ID scheme

Not appropriate for PSIIF

Access to systems with higher-impact data would usually require higher levels of assurance. PSIIF is designed to support services handling OFFICIAL information, with business impact levels from IL1 to IL3.

PSIIF will use SAML2.