Microsoft Active Protection Service (abbreviated MAPS and formerly known as Microsoft SpyNet) is the network of Windows Defender and Microsoft Security Essentials users that help determine which programs are classified as spyware.
Microsoft Windows | defender | Defender (association football) | Windows | Windows Vista | Windows 7 | Windows XP | Defender (football) | Windows 95 | defender (football) | defender (association football) | Windows 2000 | Windows 8 | Defender | Windows Mobile | Windows CE | Windows Media Audio | Windows Phone | Windows NT | Windows Media Player | Land Rover Defender | Windows Phone 7 | Windows 98 | Windows on the World | Windows Live Messenger | Windows Server 2008 | Windows Server | Windows Me | Windows 9x | Windows Store |