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Client Authentication in SSL/TLS Certificates will no longer be supported by mid-2026
As of June 2026, the use case "Client Authentication" may no longer be included in public SSL/TLS certificates, otherwise they would no longer be considered trustworthy by Google Chrome. Check in good time whether and to what extent you are using SSL/TLS certificates in this way, and what alternatives are available for your encryption - background and recommendations from SwissSign.