Let’s Encrypt uptime is 99.9% — or 98.8% without defects in 2017 - Magic of Security
printAs I was collecting reliability data for several PKI systems, I included Let’s Encrypt as it’s by far the biggest PKI system I was aware of. It provides its status data and its history at and here’s my informal analysis of its production systems. While Let’s Encrypt publishes data of all its incidents, it