History has shown us that it only takes a few days for the virus writers to start launching their infections.

Early virus writers had taken advantage of the fact that each packet was a set size.

Yet the profile of the typical virus writer seems to be changing, too.

Yet the virus writers have kept coming up with new wrinkles.

Sometimes, virus writers try to exploit human nature more than technology.

The virus writer must carefully tailor the program to a target computer.

However, it does prove that mobile phones are also at risk from virus writers.

Within that system, the virus writers could not easily be classified.

Studies indicate that most virus writers are young men, 14 to 24 years old.

Whoever the virus writer is, the work took its toll today.