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.
Webinar
Oct 31, 2024
Join us for our quarterly Sectigo Pulse webinar, where we cover the latest product and compliance news and how these events might impact your business.
Podcast
Oct 22, 2024
Reports suggest Chinese researchers used a quantum annealing computer to break AES. We clarify the findings and discuss the potential implications.
Podcast
Oct 14, 2024
Apple recently floated a draft CABF ballot for commentary that steps down maximum term for SSL certificates to 45 days by 2027.
Podcast
Oct 11, 2024
Deliberate delay of mandatory revocations has plagued the WebPKI in 2024. A new proposed policy from Mozilla stands to eliminate most of this behavior.
Podcast
Oct 08, 2024
A ServiceNow private CA root expired, creating outages across hundreds of enterprises. We explain what appears to have gone on.
Podcast
Oct 04, 2024
White hat researchers managed to take over WHOIS for the .mobi TLD, foretelling the death of WHOIS as an email source for Domain Control Validation (DCV).
Podcast
Oct 02, 2024
In this episode we map the contributions of Certificate Lifecycle Management into the new NIST Cybersecurity Framework 2.0.
Webinar
Oct 01, 2024
The surge in certificate usage has reached unprecedented levels, with industry standards for certificate lifespans progressively shrinking.
Podcast
Sep 30, 2024
A certificate expiration is now known to have created July's outage of Bank of England. Join us as we shake our heads in amazement yet again.