Some good security recommendations are noted in attached article
QUOTE: Planning on a Windows 8 purchase in the near future? While it may be the most secure version of Windows yet, a new operating system always introduces new security challenges. There are a slew of security features in Windows 8 that we like (picture passwords, built-in antivirus, Secure Boot, among others). However, the changes in the graphical user interface, the introduction of the new online app store, and new capabilities raises security concerns. The following are some tips from the folks at Sophos on how to stay safe on Windows 8.