Let's Encrypt is a free, automated, and open certificate authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our nonprofit work this year in our 2023 Annual Report.
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I’d also argue that the fact that it’s 100% automated and their software is open source makes it objectively more secure. On the issuing side, there’s no room for human error, social engineering, etc.
I’d love for them to explain how, if anything the short cert validity and constant re-checking of the domain seems more secure than traditional CAs
I’d also argue that the fact that it’s 100% automated and their software is open source makes it objectively more secure. On the issuing side, there’s no room for human error, social engineering, etc.