As of the end of July 2018, the Let’s Encrypt root, ISRG Root X1, is directly trusted by Microsoft products. … Certificates from Let’s Encrypt have been widely trusted since our first issuance because of a cross-signature from another CA called IdenTrust.

How trustworthy is LetsEncrypt?

LetsEncrypt signatures are now trusted by the browsers, so there’s usually no need to pay for the service. Thing is, even if LetsEncrypt were less secure (I don’t really think it is, but lets assume), that would hurt the security of every website.

Is LetsEncrypt less secure?

Let’s Encrypt is a new Certificate Authority (CA) that offers FREE SSL certificates that are just as secure as paid certificates.