Security threats must be eliminated as they appear. The color indicates that there are problems which can result in the infection of your computer and loss of data: the application has not been updated for a long time, or malicious objects requiring urgent processing have been detected. For instance, the anti-virus databases are obsolete. The color indicates a reduced protection.
The color of this icon indicates that your computer is protected – the Kaspersky Rescue Disk databases have been updated in good time, the virus scan has not returned any malicious objects or malicious objects have been disinfected. There are three possible values of protection status: each of them is indicated with a certain color like stop light colors: The protection icon changes its color (see figure below). If your computer protection is threatened, its status will inform you.