We would like to inform you about an upcoming change to the TLS certificates used by the WithSecure GUTS2 Server (definition update backend), planned for May 19, 2026.
We are transitioning from DigiCert to Let’s Encrypt certificates. This update aligns our backend infrastructure with our existing services, where Let’s Encrypt is already in use, and helps us streamline certificate management while maintaining industry‑standard security practices.
Read the full article here:
https://community.withsecure.com/announcements-en/kb/articles/32925-tls-certificate-provider-update-for-guts2-backend-may-19-2026