Root Causes 658: The Trouble with X9 Certificates
from Root Causes: A PKI and Security Podcast Hosted by Tim Callan, Jason Soroko
X9 is a consortium certificate for interbanking applications. There is a common misunderstanding that X9 certificates are a public-trust surrogate for mTLS using WebPKI certificates. We clarify why this is not the case.
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This episode is 13 minutes long.
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This episode was published on August 26, 2026.
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