"Handbags at Dawn" pic - great!
Of course sites and the location there of should be treated with care and confidence for the obvious reasons stated. Goes without saying.
Often a lot research goes into finding proper sites.
Only through painstaking research did we find interesting sites, when I last went on an outing. Research that meant reading books and sifting through various documents and eyewitness accounts.
Without proper precautions as is inherent in the password protected part of the forum, ruthless profit mongers would descend like a swarm of locusts on the sites and leave it pockmarked.