When you try to view or edit your credit card details or other sensitive information in your Microsoft account, you might need to enter a security code first, to make sure that only you can get in to your account.
Your Microsoft account (formerly your Windows Live ID) is the combination of an email address and a password that you use to sign in to services such as Xbox LIVE and Outlook.
Spyware is a general term used to describe software that performs certain actions—generally without appropriately obtaining your consent—such as: Advertising Collecting personal information Changing the configuration of your computer If your computer is running Windows 8, you can use the built-in Windows Defender to help you detect and get rid of spyware and other malware.
Depending on which operating system your computer is running, you can use either Windows Defender or Microsoft Security Essentials to get rid of malicious software and viruses.