Sectigo AddTrust External CA Root Expired May 30, 2020

  • 3rd June 2020
Sectigo's legacy AddTrust External CA Root certificate expired on May 30, 2020. Modern clients should largely be unaffected. Devices that received security updates after mid 2015 should have the modern USERTrust RSA Certification Authority root certificate (valid until Jan 2038) in their operating system or browser truststores and should be ...
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