Whats the difference between a computer virus and a computer worm?
As the security team at Symantec notes, viruses are nasty computer programs designed to travel from file to file within a single computer. Worms, on the other hand, are specifically engineered to travel between computers. This isn’t to say that viruses can’t travel between computers. Much like a burr on bear fur, viruses hop rides on email attachments sent by humans. Worms, however, are much nastier — they don’t need host programs to propagate. A really bad worm can infect thousands of passively networked computers in a matter of hours. Worms may not damage the individual computers, but they can definitely jam up a network. Fortunately, they afflict more network administrators than home users. Another variant of computer nasty is the Trojan horse. These pernicious programs are written to disg
