Update 1 day later: First, just to let you know that the comments on this post are richer than the post itself. Second, that Mit has found a contact form.

You know something is wrong with your online banking security when you access cgd.pt (instead of www.cgd.pt) and you get an external page:

Note: before I post this article, I tried to find a contact form in CGD's homesite and warn them about this issue. Didn't find any. Even tried the website map.