> He did this and found out that he
> downloaded PDF-Files and movies that normally are
> only accessible when you are registered at the
> website (content that is only for registered
> members).
> 
> Is the download illegal than? Or is the companys
> fault if they not protect their data?
Httrack only knows urls that it finds. Somewhere in the public area is a link
pointing to a private page and that page doesn't require a registered cookie,
or a truncated link pointing to a directory and directories are allowed to be
viewed.