DigiCert Blog

All posts under: SSL Certificate Management

  1. OpenSSL Patches Four Security Vulnerabilities

    Just before 9 a.m. MST this morning, developers at OpenSSL released four patches—versions 0.9.8zh, 1.0.0t, 1.0.1q, and 1.0.2e—for discovered OpenSSL security vulnerabilities. These patches fix a total of four vulnerabilities, three of which were rated as moderate and one rated low. To see the full list of vulnerabilities, see OpenSSL Security Advisory [3 Dec 2015].…


  2. Advantages to Using a Centralized Management Platform for SSL Certificates

    SSL security is a critical component to an enterprise’s overall security strategy. With the increasing number of Internet-connected devices, online portals, and services that organizations manage, there are more opportunities for vulnerabilities and a growing number of threats that these systems face. System administrators are responsible for hundreds—if not thousands—of certificates that come with unique…


  3. The Case for Making the Move from SHA-1 to SHA-2 Certificates

    Good security is a combination of building layers and staying one step ahead of would-be attackers. Mozilla recently announced that Firefox might end trust for SHA-1 Certificates six months sooner than the current SHA-1 deprecation timeline. This announcement came shortly after a research team expressed concerns about a theoretical risk associated with the SHA-1 hashing…


  4. What the Acquisition of Cybertrust Roots Means for DigiCert Customers

    On June 23, 2015, DigiCert announced the acquisition of Cybertrust Root Certification Authorities, previously held by Verizon Enterprise Solutions.  At that time, we explained that the acquisition would provide those customers with innovative certificate management tools and industry-leading customer service, among other benefits. The purpose of this post is to explain more about the benefits…


  5. How to Remove an Expired Intermediate from the SSL Certificate Chain

    On September 30, 2015, at 12:15 pm, a legacy and long unused DigiCert cross-signed certificate expired, causing some users to experience untrusted certificate errors. The problem is generally related to a locally installed legacy intermediate certificate that is no longer used and no longer required. The problem may affect any client platform with a locally cached…