Authorize.Net announced an upcoming change to their network. You can read the announcement here. The obvious questions are does this affect me and do I need to do anything. If you do not use Authorize.Net than you do not need to do anything. Stop reading and go about your day. If you do use Authorize.Net, keep reading.
Google announced late in 2014 that they'd start giving https pages a boost in rankings versus http. The web community has been waiting to see if switching to https improved rankings. There is now some pretty good evidence that Google is now giving https pages higher rankings. A Google update was detected around June 19, 2015,