Tim Callan

@TimCallan

Chief Experience Officer at Sectigo (@SectigoHQ). Long time blogger about online security, branding, marketing, and technology.

Granger, Indiana

Tim Callan
@TimCallan
Mar 13
CAA records exist to restrict issuing CAs for a given domain to as few as one CA. But what happens when the CAA record outlives the CA to which it restricts issuance? Join us to find out. youtube.com/watch?v=WbI3p2…
Tim Callan
@TimCallan
Mar 11
Chrome's deadline for deprecation of the clientAuth EKU and mTLS in public certificates has moved out. We give you the what, when, and why.
Tim Callan
@TimCallan
Mar 10
It would be easy to believe that the amount of risk posed to the WebPKI by any individual public CA is somehow proportional to the number of active certificates that CA has. This is false, however. In this episode we address this misconception.
Tim Callan
@TimCallan
Mar 6
We recently heard the argument that it's simply too expensive to develop a cryptographically relevant quantum computer. We vehemently disagree. In this episode we explain why.
Tim Callan
@TimCallan
Mar 4
It's cryptographic Frogger from here on out. The transition to PQC is not just a change in cryptographic algorithms but also a fundamental shift in how we treat our cryptography. IT systems need to be fundamentally crypto agile as never before.