Well, yeah, it might be common knowledge for some, but many don't know, don't care and I enjoy every time it's "revealed" by some community over and over again.

Well, yeah, it might be common knowledge for some, but many don't know, don't care and I enjoy every time it's "revealed" by some community over and over again. But seriously though, is there a way to do something with Android phone (like using third-party firmware, removing some programs, configuring firewall) to be somewhat sure it's "safe" while still being usable?