Security 45-day certificates from May, says Let's Encrypt after dismantling OCSP With 700 million websites affected, a TLS certificate monitoring service is a really good idea, Let's Encrypt tells us. Phillip de Wet Dec 05, 2025 - 3 min read Photo by Vincent Chan on Unsplash Get the full story: Subscribe for free Join peers managing over $100 billion in annual IT spend and subscribe to unlock full access to The Stack’s analysis and events. Subscribe now Already a member? Sign in