Featured Contributor
Tim Callan
Chief Compliance Officer at Sectigo
As Chief Experience Officer, Tim Callan leads efforts to optimize the customer journey across all aspects of the business. Tim has more than 20 years of experience as a strategic marketing and product leader for successful B2B software and SaaS companies, with 15 years of experience in the SSL and PKI technology spaces.
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 from Tim Callan
-
Watch Now
REGISTER
A live webinar hosted by Sectigo.
60 minutes
Webinars Upcoming2025 cryptography trends: Challenges & opportunities for IT teams
Prepare for 2025 PKI challenges: Quantum threats, TLS changes, and automation trends to boost crypto-agility and overcome IT resource limits.
-
Listen Now
EPISODE 445
Broadcast Date:
December 9, 202428 minutes
Podcasts Dec 09, 2024Root Causes 445: Seven Reasons to Shorten Certificate Lifespans
We take a deep dive into the seven reasons shorter certificate lifespans are better.
-
Listen Now
EPISODE 444
Broadcast Date:
December 5, 202419 minutes
Podcasts Dec 05, 2024Root Causes 444: What Happens to the WebPKI if Google Sells Chrome?
We discuss how a potential break of Chrome from Google would affect the WebPKI. We look at product changes, resourcing, post-quantum cryptography (PQC), innovation, moonshot initiatives, and other public CAs.
-
Listen Now
EPISODE 443
Broadcast Date:
December 2, 202413 minutes
Podcasts Dec 02, 2024Root Causes 443: Is MSCA Going Away?
In this episode we discuss the challenges for enterprises using Microsoft Active Directory Certificate Services (ADCS).
-
Listen Now
EPISODE 442
Broadcast Date:
November 25, 202422 minutes
Podcasts Nov 25, 2024Root Causes 442: Apple Proposal to Reduce SSL Lifespan Updated
Apple has published an updated draft to its proposal for shortening the lifespan of SSL certificates, including a final term of 47 rather than 45 days.
-
Listen Now
EPISODE 441
Broadcast Date:
November 22, 202415 minutes
Podcasts Nov 22, 2024Root Causes 441: New White House Initiative Targets BGP
A new White House initiative requires that federal agencies need to create plans to thwart BGP attacks. We discuss, including RPKI and MPIC.
-
Watch Now
60 minutes
Webinars Nov 21, 202447-Day TLS: shorter certificate lifespans everywhere
Join us for our quarterly Sectigo Pulse webinar, where we cover the latest product & compliance news & how these events might impact you & your business.
-
Listen Now
EPISODE 440
Broadcast Date:
November 18, 202413 minutes
Podcasts Nov 18, 2024Root Causes 440: Public Key Directories
We talk about public key directories and complicating factors such as Tailscale, VPN, TOR, Cloudflare, and Zero Trust.
-
Listen Now
EPISODE 439
Broadcast Date:
November 15, 202417 minutes
Podcasts Nov 15, 2024Root Causes 439: PQC Onramp Narrowed Down to 15 Candidates
NIST has narrowed its PQC onramp contest to 15 candidates. We go over who remains and the makeup of the remaining candidates.