||Viruses can be classified as
Viruses are also classified as either being "in the zoo" or in the wild". In the zoo viruses are those that exist, are not currently spreading, and typically have a "cure" developed by anti-virus company such as ViTrap Pte Ltd, Symantec, Network Associates and Trend Micro. Currently, there are approximately 60,000-70,000 know viruses "in the zoo". Fortunately, these are not a real danger.
However, there are approximately 300 reported "in the wild" viruses that are actively spreading at any given time. Because they are active, these viruses pose a genuine threat to organizations even though they also tend to have cures already developed.