First, [b]clear all cookies and cached info associated to the affected sites[/b] from your browser. [i]Then[/i] log back in and change your password. This should take care of your account being a "weak link". 

	A possible evil-doer would, in this instance, gain access to the still-vulnerable account - so all you could do, they could. 

	Backuping is always a good idea - might not be an attack, might be server problem, might be anything - easiest for shorter RPs might be to just make an arbitrary dedicated folder on your computer, and then right click on each page of your RP - "save webpage as". HTML works.