Continued use of weak hashing algorithms certificates puts your clients' sensitive data at risk and will cause browsers to display warnings. Warnings create mistrust when connecting to a site and can cause clients to avoid your site.
Hashing algorithms are used to generate SSL Certificates. Discovery checks your SSL/TLS certificate as well as its issuing intermediate certificate.
Algorithms once thought of as secure have become weak or breakable.
For example, MD5, once thought to be a secure and unbreakable hashing algorithm, went from being a strong hashing algorithm to a weak hashing algorithm to a broken hashing algorithm.
Reissue or renew your certificate with a supported hashing algorithm, such as SHA-2.
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