Knowledge Base

Access New Sectigo Public Certificate Chain

This document serves as the starting point for customers engaging with our support services. It outlines how to access help, what channels are available (email, chat, phone), and what to expect from our dedicated support team.

Understanding Certificate Transparency (CT) Logs and Precertificates

Currently, secure certificates of any type CANNOT be issued to individuals or business entities in the following countries, websites, or the following country-code-top-level domains (TLDs):

This guide provides step‑by‑step instructions for verifying and updating SSL certificate profile validity terms in Sectigo Certificate Manager (SCM) to ensure a maximum duration of 199 days, in alignment with current public SSL certificate lifetime requirements

This document provides technical specifications for how DNS Security Extensions (DNSSEC) affect certificate issuance workflows including validation requirements, error conditions, and best‑practice guidance for reliable certificate enrollment.

Starting March 7, 2021 Sectigo will cease to include street address and postal code information in newly issued certificates on all its brands

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

Sectigo site seals are an ideal way to help customers feel safe and confident when using your secure online services.

In the light of the recently discovered vulnerability known as ‘Heartbleed’, Sectigo CA, a leading Certificate Authority and Internet security organization, would like to confirm that the vulnerability lies with the OpenSSL software and not with Sectigo certificates or Sectigo CA keys.