Despite months of reminders and warnings, more than one-third of websites will become inaccessible come 2017. There is barely a month left before major browsers start blocking websites using certificates signed with the SHA-1 hash, but 60 million-plus websites still rely on the insecure encryption algorithm, according to the latest estimates from security company Venafi.
Starting Jan. 1, Mozilla’s Firefox browser will show an “Untrusted Connection” error for sites using a SHA-1 certificate, and Google’s Chrome browser will drop all support for SHA-1 and completely block sites using SHA-1 certificates. Microsoft has said its Edge and Internet Explorer browsers will start blocking the sites outright on Feb. 1, 2017.
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