In an innovative application, an AI has been used to find private keys for ECC (Elliptic Curve Cryptography) P 256. We explain how.
Tim Callan
Chief Compliance Officer
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 by Tim Callan
Root Causes PodcastRoot Causes 582: New Research Drastically Cuts Number of Qubits for Cryptographic Relevance
New research indicates that the number of qubits necessary to achieve cryptographic relevance has reduced by two orders of magnitude. We cover this breaking news and its implications.
By CABF ballot all manual methods of Domain Control Validation (DCV) will be deprecated by 2028. We explain which methods are due for deprecation and when.
We go over the qualities in abstract of a use case that strongly invites the use of hybrid certificates and then run down a list of specific use cases that meet these criteria. This includes OT systems, code signing, secure boot, WiFi, enterprise S/MIME, and more.
In this episode Jason declares that we must make cryptography boring again. We get into what that means and why it matters.
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.