In our previous blog post about phasing out certificates with SHA-1 based signature algorithms, we said that we planned to take a few actions with regard to SHA-1 certificates: Add a security warning to the Web Console to remind developers that they should not be using a SHA-1 based certificates Show the “Untrusted Connection” error whenever a SHA-1 certificate issued after January 1, 2016, is enc
![Continuing to Phase Out SHA-1 Certificates – Mozilla Security Blog](https://cdn-ak-scissors.b.st-hatena.com/image/square/3edcf8fc3d8dccaaaf948b4d3355440f35b34b36/height=288;version=1;width=512/https%3A%2F%2Fblog.mozilla.org%2Fsecurity%2Fwp-content%2Fthemes%2FOneMozilla%2Fimg%2Fmozilla-wordmark.png)