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Data Leak at Swiss Pension Fund Publica Following Cyberattack on Supplier

Data Leak at Swiss Pension Fund Publica Following Cyberattack on Supplier

First seen 8 Oct 2026, 10:38 UTC • •
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ThreatCluster AI
ThreatCluster •October 8, 2026 at 11:32 UTC
  • •Publica confirmed a data leak from a cyberattack on an external software supplier.
  • •The investigation by the Office of the Attorney General is currently ongoing.
  • •Publica has approximately 70,000 active members and 41,600 pensioners, with assets close to 45 billion Swiss francs.

Publica, the Swiss federal pension fund, confirmed a data leak due to a cyberattack on an external software supplier. The attack was detected in late September, prompting the supplier to file a criminal complaint and notify federal authorities. The extent of the data compromised remains unclear, and an investigation by the Office of the Attorney General is underway. Publica has informed its members of the breach and its potential implications. As of the end of 2025, Publica had approximately 70,000 active members and 41,600 pensioners, with assets nearing 45 billion Swiss francs. The identity of the supplier and the specific data leaked have not been disclosed. This incident follows previous breaches involving federal data in Switzerland, raising concerns about the security of external vendors.

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Timeline

2026-09-30
Cyberattack detected by software supplier
The external software supplier for Publica detected the cyberattack at the end of September and filed a criminal complaint.
Swissinfo.Ch
2026-10-08
Publica announces data breach
Publica confirmed the data leak and informed its members about the breach and its potential consequences.
Thenextweb

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Common questions

What data was leaked?
The specific data that was compromised has not been disclosed by Publica.
Who is the affected software supplier?
Publica has not identified the external software supplier involved in the data breach.
What measures is Publica taking in response?
Publica has informed its members about the breach and is working with federal authorities to assess the impact.