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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 https://letsencrypt.status.io and here’s my informal analysis of its production systems. While Let’s Encrypt publishes data of all its incidents, it