Do you have a virus? No instruments, no senses can tell you if you are in the presence of the predator.
—Richard Preston, The Hot Zone
If doctors and pharmacists worked like anti-virus vendors, we'd all be immunized against all illnesses. Would this improve our viability as a species?
—David Harley, Icarus
In This Chapter
This chapter addresses one of the best-known, most-feared and least-understood problems in information security. It explains what viruses and worms really are (and aren't), summarizes the means of limiting their impact, and, most ...