The magic number is a value that states when CRLs will be processed over OCSP, specifically it is when the total number of cached OCSP responses from a single OCSP responder URL on behalf of a single certificate authority will stop performing OCSP and start processing CRLs. This will occur if the number of cached…

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I am extremely proud to announce that today we have launched our Online PKI Assessment Portal. This new service is the first of its kind to offer online, automated, self-paced review and assessments of Microsoft ADCS based PKIs. We have been performing onsite PKI Assessments for customers for years now. Typically focused on the design,…

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We have been working on an interesting skunkworks style project and are pleased to share our work with all of you. It all started when we started to notice Microsoft was archiving/deleting Support KB articles from its site – often even when the information was still pertinent. We started noticing a number of the items…

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In August 2018, Microsoft issued a security advisory ADV190023 Microsoft Guidance for Enabling LDAP Channel Binding and LDAP Signing about unsigned LDAP communication blocking in Active Directory starting with March 2020. A quick poll identified that not all customers are aware about upcoming changes or have prepared to them. What is LDAP Binding? LDAP binding…

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In my last blog post (Backing up ADCS Certificate Authorities Part 1) I covered the inner workings of how ADCS and the Jet database works to maintain the CA data. In this post I am going to go over a comprehensive PowerShell script that I wrote to perform a full backup of all necessary ADCS…

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