Security problems in Apache on Mac OS X

Posted at Help Net Security: “he Finder creates an invisible file, “.DS_Store” in each directory which contains
(among other binary gobledygook) a list of files in the directory.

So, if you have EVER viewed a web directory in the Finder, an attacker can just retrieve

http://your.mac.com/some_directory/.dS_store

to learn what files are in that directory.”