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Alert

Fraudulent emails

Updated on 31 Mar 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.

The FSIO - Overview

What does the FSIO do? Who heads up the office and how is it structured? What do I need to know if I want to work at the FSIO or serve my apprenticeship there?

Tasks of the FSIO

Switzerland has a solid and effective social insurance network. This situation must also continue in the future, in both good economic times and bad, because a strong social safety net is a major contributor to social harmony.

Organisation & board committee of the FSIO

Find out more here about how the FSIO is structured.

Information for Media Professionals

Information, contacts and links for the media.

Contact & location

Have you not found the answer to your question in our information section? Do you have another query for the BSV? Or would you like to comment on our information section? Here you can find out how to contact us via the internet. You will also find information about our location.