TWO OF THE GREATEST THREATS TO EVERY COMPUTER ARE VIRUSES AND WORMS, WHICH ARE NOTHING MORE THAN COMPUTER PROGRAMS THAT SOMEONE EITHER WROTE FOR "FUN," OUT OF CURIOSITY, OR AS A CHALLENGE TO CREATE THE MOST DESTRUCTIVE VIRUS OR WORM POSSIBLE. Although some viruses and worms are completely harmless, the majority of viruses and worms cause a wide range of trouble, from displaying nonsensical messages on the screen, to making the keyboard work erratically, ....

While children (or even adults) could use email or programs like the Peekabooty software to slip pornography past any Internet filtering software that their parents or company may have installed, the intended purpose for circumventing Internet filters is to visit government-banned websites.To learn what type of information may threaten certain governments, try looking at the following websites. Who knows? Maybe you’ll find ideas to help you circumvent ....

If you write macros that other people in your organization use, you should be aware of the Macro Security settings in Excel (and in all Office applications). These settings control the messages you receive when you open a workbook that contains macros; they ask if it’s okay to enable them. In the good old days, developers didn’t have to worry about such things. But with the advent of macro viruses, you now need to take such user-level security settings into account....