Passage
     With increasing development and use of computer technology, there is a new disease to worry about. Computers, are infecting computers in corporations, homes and university.
     These viruses spread exponentially, much like biological contagion, and then disrupt the affected systems. The virus secretly attaches itself to other programs and can then delete or alter files. The damage is generally activated by using the computer’s clock. Then, any program that is executed may be exposed to the virus, including program spread through telephone connections. Because of the increasing incidents of virus infiltration, businesses and agencies are becoming wary of sharing software. Security policies need to be increased as immunity programs are being fully developed.

Which of the following is the best title of this passage?