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Alert

Fraudulent emails

Updated on 17 Apr 2026

Emails are currently circulating which claim to be from the Federal Social Insurance Office, in which the sender asks the recipient to provide their OASI (Swiss social security) number so that the FSIO can proceed with a review of their case file.

Organization

Organisation & board committee of the FSIO

Find out more here about how the FSIO is structured.

Board Committee

Organisation of the FSIO

Organisational chart

Address

Federal Social Insurance Office
Effingerstrasse 20
3003 Berne