This question hadn't been asked separately, so here it is. In particular, is there any official repository that provides and https alternative to the defaults http official repositories?
Note: If you have lost and want to recreate your /etc/apt/sources.list file, please use the Ubuntu Source Generator, with the appropriate choices. Warning: any custom repositories you added to your ...
Does apt-get use https or any kind of encryption? Is there a way to configure it to use it?