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.

Published on 13 August 2025

Publisher

The Federal Social Insurance Office (FSIO) publishes information on the focus areas and activities of the FSIO at www.bsv.admin.ch.

Publisher and Editorial Team

Federal Social Insurance Office

Communications

Effingerstrasse 20
CH-3003 Berne

webmaster@bsv.admin.ch