Knowledge Base
Certificate Lifespan
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Access New Sectigo Public Certificate Chain
Updated on October 20, 2025
1526 people found this helpful
Access New Sectigo Public Certificate Chain
Understanding Certificate Transparency (CT) Logs and Precertificates
Updated on September 18, 2024
681 people found this helpful
Understanding Certificate Transparency (CT) Logs and Precertificates
TLS / SSL Certificate Lifespan History (2, 3, and 5-year validity)
Updated on March 5, 2021
773 people found this helpful
Effective March 1, 2018 (and) in accordance with CA/Browser Forum Baseline Requirements: this article answers all your questions concerning legacy SSL Certificate Term Length
Official TLS / SSL Certificate Lifespan
Updated on September 30, 2021
482 people found this helpful
This article describes the official TLS / SSL certificate lifespan and any recent changes made by Industry Wide Requirements
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