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Incident

Winbiz SA

Incident posture

Attack window
Nov 2022
Location
Switzerland
Status
Historical
CIA posture
Available to members
Updated
2025-10-15 00:00

Linked entities

Victim
Winbiz SA
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Nov 2022
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

The organization experienced a service disruption affecting its online platform, leading to partial unavailability of certain functionalities. Technical teams initiated an investigation and implemented mitigation measures to restore operations. The incident prompted increased monitoring of system performance and communication updates via official channels. No unauthorized access or data compromise was identified during the preliminary assessment. Service restoration efforts progressed systematically while maintaining operational safeguards.

Motives

Detailed motive labels are available to members.

0 motives

TTPs

Detailed technique labels are available to members.

0 techniques

Description

On November 21, 2022, the WINBIZ platform experienced a service disruption impacting its operational availability. The incident was publicly acknowledged through the platform’s status page on the same date, though initial communications provided minimal technical details. Subsequent confirmations from Swiss government sources characterized the event as a cyberattack, which resulted in a temporary but complete outage of WINBIZ services. This interruption prevented users from accessing critical business registration and administrative functions, including new entity registrations, document submissions, and compliance-related transactions. The unavailability of these services disrupted routine legal and administrative workflows for businesses and individuals reliant on the platform, creating immediate operational challenges for entities requiring time-sensitive regulatory filings.

Technical teams responded to the incident by initiating containment procedures, isolating affected systems to prevent further compromise. Service restoration efforts progressed throughout the day, with full functionality reportedly reinstated by approximately 15:00 UTC on November 21. Authorities cautioned users to anticipate residual processing delays due to backlog accumulation during the outage period. No supplementary evidence regarding attack vectors, threat actor attribution, or data exfiltration was disclosed in available source material. The Swiss government confirmed an ongoing investigation into the incident but did not publish additional findings or forensic details at the time of primary reporting.

Sources

Sources available to members: 1 source.

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