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EPISODE 334
Broadcast Date:
September 27, 202318 minutes
Podcast Sep 27, 2023Root Causes 334: What Is Attestation on the Web?
Most people hate dealing with CAPTCHA, but it offers benefits for web sites. We discuss alternatives to CAPTCHA, how they work, and their pros and cons.
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EPISODE 331
Broadcast Date:
September 13, 202314 minutes
Podcast Sep 13, 2023Root Causes 331: Microsoft Restores Trust to Code Signing Root
Recent erroneous behavior on Windows indicates that Microsoft removed - and then re-added - a legacy VeriSign root in its trusted roots list.
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EPISODE 321
Broadcast Date:
July 27, 202316 minutes
Podcast Jul 27, 2023Root Causes 321: CABF Moratorium on New Certificate Consumer Members
The CA/Browser Forum recently passed a temporary moratorium on new members of the Certificate Consumer class.
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EPISODE 311
Broadcast Date:
June 16, 202314 minutes
Podcast Jun 16, 2023Root Causes 311: What Is CCADB?
We describe CCADB, the Common CA Database. We explain the role of CCADB in the WebPKI and how this role is evolving.
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EPISODE 300
Broadcast Date:
May 5, 202319 minutes
Podcast May 05, 2023Root Causes 300: Chrome Eliminates the Lock Icon
Google Chrome has announced that it will eliminate the lock icon in September. We explain what Google will be doing, and its stated rationale.
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EPISODE 260
Broadcast Date:
December 8, 202230 minutes
Podcast Dec 08, 2022Root Causes 260: CA TrustCor Deprecated
Public CA TrustCor has had its roots deprecated by Microsoft and Mozilla. We explain what happened and why these roots ultimately were distrusted.
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EPISODE 255
Broadcast Date:
November 11, 202223 minutes
Podcast Nov 11, 2022Root Causes 255: What Is a Privacy Browser?
In this episode we describe privacy browsers, the strategies they use, and the pros and cons of this approach.
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EPISODE 246
Broadcast Date:
October 4, 202212 minutes
Podcast Oct 04, 2022Root Causes 246: Google Chrome Root Program Announced
Google Chrome recently announced the formation of its trusted root program. We explain why Chrome is launching now and the program's implications.
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EPISODE 237
Broadcast Date:
August 10, 202212 minutes
Podcast Aug 10, 2022Root Causes 237: Why Mozilla Is So Important to CAs
Mozilla is a highly important to the world of public certificates, with influence beyond what its browser market share would suggest. We examine why.
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EPISODE 212
Broadcast Date:
March 28, 202211 minutes
Podcast Mar 28, 2022Root Causes 212: S/MIME Limited to Three Years
On April 1 new root program requirements from Apple for S/MIME certificates go into effect, including a limitation of the allowable term to three years.
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EPISODE 145
Broadcast Date:
January 29, 202111 minutes
Podcast Jan 29, 2021Root Causes 145: Google Chrome to Distrust CA Camerfirma
Google has announced distrust for Spanish public CA Camerfirma in Chrome build 90. We explain the reasons for (and implications of) this decision.
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EPISODE 144
Broadcast Date:
January 26, 202113 minutes
Podcast Jan 26, 2021Root Causes 144: Whatever Happened to the Green Address Bar?
In recent years the EV SSL "green address bar" has shrunk and evenually disappeared. We walk you through how that came to be.