Definition[]
A pop-up message may be a form of spam that encourages users of personal computers to install a type of software that makes it vulnerable to organized attacks or targeting software.
Overview[]

Specific types of pop-up messages are:
A pop-up message may be a form of spam that encourages users of personal computers to install a type of software that makes it vulnerable to organized attacks or targeting software.
Specific types of pop-up messages are: