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Eight Intermediates and a Key That Was Just a Number: What the eMudhra CA Compromise Means for Non-Browser Clients

Eight Intermediates and a Key That Was Just a Number: What the eMudhra CA Compromise Means for Non-Browser Clients

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3 min read
One of the Web's Gatekeepers Used the Number 4 as a Private Key — and the Internet Is Scrambling

One of the Web's Gatekeepers Used the Number 4 as a Private Key — and the Internet Is Scrambling

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4 min read
The CA whose private key was the number 4 just quit the certificate business

The CA whose private key was the number 4 just quit the certificate business

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5 min read
Eight eMudhra Intermediate CA Keys Compromised

Eight eMudhra Intermediate CA Keys Compromised

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3 min read
A CA private key was the number 4. Your curl still trusts it (CVE-2026-111943)

A CA private key was the number 4. Your curl still trusts it (CVE-2026-111943)

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6 min read
Internal certificate authorities fail on lifecycle, not on cryptography

Internal certificate authorities fail on lifecycle, not on cryptography

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4 min read
Certificate name verification: wildcards, SANs and the checks that fail open

Certificate name verification: wildcards, SANs and the checks that fail open

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3 min read
Building a PKI Certificate Expiry Monitor for Turkish E-Signature Tokens

Building a PKI Certificate Expiry Monitor for Turkish E-Signature Tokens

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3 min read
Certificate Policies, Path Validation and CRL: Three Layers RFC 5280 Doesn't Require You to Link

Certificate Policies, Path Validation and CRL: Three Layers RFC 5280 Doesn't Require You to Link

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5 min read
Private CA logs every issuance: a field guide to IssueCertificateDetails

Private CA logs every issuance: a field guide to IssueCertificateDetails

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10 min read
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