To align with evolving industry requirements, Sectigo will begin enforcing a maximum TLS certificate validity of 199 days starting March 12, 2026. In addition, as of March 12, 2026 the Domain Control Validation (DV) reuse period will be restricted to 198 days.
PKI expert with 15+ years in WebPKI, SSL/TLS, and Signing Certificates. Compliance tech at Sectigo. Vice-Chair of the CA/B Forum S/MIME Working Group.
Martijn is a PKI expert with 15+ years of experience in WebPKI, SSL/TLS, and Signing Certificates. Having worked across Sales, Support, and Validation at Xolphin and Sectigo, he now specializes in compliance technology at Sectigo. As Vice-Chair of the CA/B Forum S/MIME Working Group, he contributes to industry standards and best practices.
Recent posts by Martijn Katerbarg
To align with evolving industry requirements, Sectigo will begin enforcing a maximum Code Signing certificate validity of 459 days starting February 23, 2026
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