Precaution while using WiFi
How do I stay safe in an internet caf
When connecting to the internet in an internet cafe, hotspot or other public connection you could be opening yourself up to serious security issues. Turn off sharing settings on Mac OS X. Click the Apple menu in the upper left corner of the screen followed by andSystem Preferencesand from the context menu. Select sharing from the System Preferences window and uncheck all of the sharing options that are currently enabled to disable them.