Featured Contributor
Tim Callan
Chief Experience 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.
Recent Posts from Tim Callan
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Webinars UpcomingQ4 Pulse Webinar
Join us for our quarterly Pulse webinar, where we'll cover the latest product and compliance news and how these events might impact you and your business.
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EPISODE 334
Broadcast Date:
September 27, 202318 minutes
Podcasts Sep 27, 2023Root Causes 334: What Is Attestation on the Web?
Most people hate dealing with CAPTCHA, but it offers benefits for web sites. We discuss alternatives to CAPTCHA, how they work, and their pros and cons.
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EPISODE 333
Broadcast Date:
September 21, 202317 minutes
Podcasts Sep 21, 2023Root Causes 333: Intel Side Channel Attack Steals Private Keys
A newly revealed side channel attack can capture AES encryption keys from Intel chips. We explain this significant and powerful attack.
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EPISODE 332
Broadcast Date:
September 14, 202311 minutes
Podcasts Sep 14, 2023Root Causes 332: Acoustic AI-based Key Logging Attack
An AI model that can interpret keystrokes based on the sound of keyboard use over a phone or video call and steal passwords.
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EPISODE 331
Broadcast Date:
September 13, 202314 minutes
Podcasts Sep 13, 2023Root Causes 331: Microsoft Restores Trust to Code Signing Root
Recent erroneous behavior on Windows indicates that Microsoft removed - and then re-added - a legacy VeriSign root in its trusted roots list.
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EPISODE 330
Broadcast Date:
September 5, 202322 minutes
Podcasts Sep 05, 2023Root Causes 330: End-to-end PQC in Use Today
Our hosts are joined by IronCap CEO Andrew Cheung as he discusses commercially available PQC solutions today, including VPN, email, and crypto currency.
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EPISODE 329
Broadcast Date:
August 29, 202311 minutes
Podcasts Aug 29, 2023Root Causes 329: What Is Messaging Layer Security?
The recently published Messaging Layer Security (MLS) protocol establishes key exchange protocols for simultaneous communication with 3+ participants.
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EPISODE 328
Broadcast Date:
August 23, 20237 minutes
Podcasts Aug 23, 2023Root Causes 328: What Is the Debian Weak Key Flaw?
In 2008 the world of SSL was shocked by a flaw in a popular operating system that limited the set of possible private keys on this OS to about 32,000.
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EPISODE 327
Broadcast Date:
August 18, 202317 minutes
Podcasts Aug 18, 2023Root Causes 327: What Is Multi-perspective Domain Validation?
In this episode we explain Border Gateway Protocol (BGP) attacks and how multi-perspective domain validation (MPDV) can defeat them.