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Infrastructure security insights
Deep dives into DNS hijacking, SSL/TLS, and the attacks that shape how we monitor infrastructure.
2026-08-16
Let's Encrypt Stopped Expiry Email Reminders: SSL Certificate Expiration Email Isn't Enough
In June 2025 Let's Encrypt stopped sending SSL certificate expiration email reminders. Why expiry emails were never enough — and how to monitor certificate expiry, renewal failures, and CT logs yourself.
Read more →2026-06-09
DNS Hijacking: Real-World Attacks and How to Detect Them
From DNSChanger to Sea Turtle — how DNS hijacking works, real-world campaigns that compromised registrars and poisoned caches, and how continuous monitoring catches these attacks before damage spreads.
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