About a third androiddevices will have compatibility issues with many sites next year due to changes made by security authority Let's Encrypt. It currently serves more than 192 million websites.
Google has spent years trying to get more websites to adopt the HTTPS protocol, which allows for secure transmission informace when it moves between the browser and the website. Let' Encrypt is one of the leading global authorities that issues these certificates - it has already issued over a billion of them and currently serves around 30% of all internet domains.
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When this authority was established in 2015, it entered into a cross-certificate partnership with another authority in the field, IdenTrust. This partnership ends on September 1 next year and Let's Encrypt has no plans to extend it. Starting January 11 next year, the company will stop automatically issuing cross-certificates, while sites and services will be able to continue generating them until September.
The change will cause problems for older platforms that still do not trust the Let's Encrypt ISRG Root X1 certificate, most notably versions Androidfor older than 7.1.1. It is estimated that 33,8% still use a version older than this androiddevices, mostly budget phones purchased before December 2016.
However, there is a temporary workaround for this problem in the form of the Firefox browser. Its creator, Mozilla, uses its own certificate store, which includes the aforementioned ISRG root certificate.
