In this episode Jason declares that we must make cryptography boring again. We get into what that means and why it matters.

Tim Callan


Tim Callan has over 20 years of experience in the SSL and PKI technology spaces. Tim leads Sectigo's conformance with industry and regulatory requirements including browser root programs, WebTrust, CA/Browser Forum, and more. Tim is instrumental in driving initiatives to improve certificate agility and successful issuance. A founding member of the CA/Browser Forum and current vice-chair for one of its working groups, Tim is creator and co-host of Root Causes: A PKI and Security Podcast, the world’s most popular podcast dedicated to digital certificates. With 400+ episodes published, Tim is on the forefront of explaining trends that will be essential to the IT professionals, including shortening certificate lifespans and the coming change to post-quantum cryptography.
Recent posts by Tim Callan
We have seen much talk of the upcoming drop of maximum TLS term to 200 days, followed by 100 days, and eventually down to 47 days. It happens that all those numbers are too large and the actual maxima will be less than that. We explain.
March 2026 is due to be the most eventful month in the history of the WebPKI. Join us as we go over all the many changes coming next month.
A large investment firm divests from Bitcoin for fear of the quantum threat.
Join us for the Q1 2026 edition of Sectigo Pulse, your quarterly briefing on the latest in digital trust, certificate management, and compliance.
Everybody knows about March 15 and the drop in maximum public TLS certificate term to 200 days. But that only scratches the surface on key dates with this maximum term reduction. Join us as we go over "all the dates" for TLS maximum term reduction.
We score our 2025 predictions in this second of two parts.
When Digital Trust Breaks: How Shrinking Certificate Lifespans Expose Hidden Security Debt
Shrinking certificate lifespans expose hidden security debt, forcing organizations to automate digital trust or face outages and business risk.
Every new year we make predictions for the year to come, and every year we go back and see how we did. This is the first of two parts scoring our 2025 predictions.