CA Policy4 min read
Let's Encrypt Completes Transition: Full Retirement of DST Root CA X3
Analysis of the final cutoff of legacy cross-signed root chains and its impact on legacy Android and embedded IoT devices.
Sep 20, 2026Read Bulletin →
Continuous reporting on Certificate Authority incidents, browser trust changes, root expirations, and active cryptographic vulnerabilities.
Analysis of the final cutoff of legacy cross-signed root chains and its impact on legacy Android and embedded IoT devices.
New browser requirements mandate multiple independent CT log receipts for all publicly trusted certificates.
Understanding why browser soft-failing during OCSP timeouts leaves production infrastructure vulnerable to revoked credentials.
Run our deep-chain diagnostic scanner now. Inspect full intermediate certificate presentations, TLS 1.3 protocol compliance, and cipher grades in seconds.