Review device settings to ensure you understand what information it is sharing (GPS, web tracking, etc). Every time you get a software (operating system) update, are there changes to your location preferences, what your header information discloses, or your browsing elections? This link is a little older and applies to the Apple iOS, but provides some good tips along the same lines for any mobile device. For more information on privacy and security, be sure to check the FI&C Privacy account on Twitter (@FICPrivacy). February is Data Privacy Month and we'll be posting daily privacy tips all month long.
