The reliability of cryptographic algorithms is largely a matter of conjecture based on track record. Proving security is impaired by the difficulty of formal verification, implementation weaknesses, and failure in randomness.
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
The first of the five pillars of Certificate Lifecycle Management (CLM) is discovery. While many of your certificates are easily discoverable, some difficult PKI remains.
The UK Online Safety Act intends to force vendors who sell hardware and software to allow the government to scan end-to-end encrypted communication on end devices.
Google has taken a strong position supporting Merkle Tree Certificates (MTC) as the PQC-enabled future for SSL / TLS.
In this webinar, we break down the architecture of a modern Private PKI, how to bridge the gap between your existing legacy Microsoft infrastructure and the emerging requirements of modern security standards.
Root Causes PodcastRoot Causes 604: Accelerated Timeline for Quantum Computers Breaking ECC in Crypto and Blockchain
A new paper from Google Quantum AI and others documents a new technique for breaking ECC, particularly the curve protecting crypto currencies, smart contracts, and blockchain. This accelerates post quantum cryptography (PQC) timelines.
Root Causes PodcastRoot Causes 603: Cryptographically Relevant Quantum Computing (CRQC) with Only 10,000 Qubits
New research suggests that a cryptographically relevant quantum computer is achievable with only 10,000 qubits. This was an important contributor to Google moving its PQC target to 2029.
Google has announced that it is moving its target for full PQC support to 2029. This is a strong statement from one of the most knowledgeable PQC technology companies that the existing 2030 target is too late.