I'm sure you've heard lots of experts talking about the dangers of using public wifi, but there may be something else you're exposed to but didn't realize.and#160; Your beloved laptop might be sharing files with others connected to the same public Wi-Fi without you knowing what's going on.and#160; The default or public shares on your laptop may be allowing others to access or even save items onto your laptop.and#160; This alone won't impact your other critical files in other areas, but technically your laptop is accessible by any random user of the same public wifi.and#160; To play it safe, especially if you never need to use the public share folder, turn off this feature.and#160; I have actually seen situations where files that could be considered sensitive have been stored in the accessible folders because the laptop owner didn't realize anyone could access those folders.and#160; Both Mac and Windows users have this potential issue, so here are the instructions on how to turn them off Disable public shares in OS X:and#160;http://osxdaily.com/2014/02/11/disable-public-folder-sharing-mac-os-xand#160; Disable public folders in Windows:and#160; http://www.raymond.cc/blog/how-to-remove-or-disable-shared-documents-from-my-computerand#160; For Windows 10 users: https://www.tenforums.com/tutorials/50179-turn-off-public-folder-sharing-windows-10-a.html