Sectigo Signing Delays Hit Namecheap SSL Customers
Sectigo's signing servers went down on March 22, stalling SSL issuance for Namecheap users. As 200-day certs double renewal demand, CAs face new pressure.
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Cisco Duo CA Expiry: Update Required by March 31
Cisco Duo's CA bundle expires March 31, 2026. Organizations using Duo MFA risk complete authentication lockouts if they don't update their software now.
Expired SSL Certificate Took Down Google Bazel for 13 Hours
An expired SSL certificate caused a 13-hour Google Bazel outage in December 2025. With 200-day certs starting March 15, 2026, here's why this matters to you.
Cloudflare 1.1.1.1 Certificate Scare: Unauthorized Issuance
Learn how unauthorized SSL certificate issuance for Cloudflare's 1.1.1.1 was detected via SSLboard, highlighting challenges in reporting security vulnerabilities.
Public TLS Client Certificates: Sunset on June 15, 2026
Learn about the deprecation of public TLS client certificates. Chrome stops trusting them June 15, 2026—discover alternative authentication methods.
No False Alerts: How SSLboard Ensures SSLcalendar Accuracy
Learn how SSLboard powers SSLcalendar with zero false positives, distinguishing used certificates via Certificate Transparency monitoring.
The Path to 47 Days: SSL Certificate Lifetimes Are Shrinking
Explore the timeline reducing SSL/TLS certificate validity from 398 days to 47 days by 2029, enhancing web security through shorter lifespans.
SSL Calendar Launch: The Perfect Tool for Certificate Tracking
Discover SSL Calendar, which uses familiar calendar interfaces to track SSL certificate expirations, combating tool fatigue with intuitive monitoring.