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OCR: 340 CHAPTER SECTION E Internet Security WHEN COMPUTERS are connected to network, the risk of intru- sion has to be taken seriously. When the connection Internet t-based, billions people are just an IP address away from your computer and is valuable personal, and confidential data Section explains the mechanics of an intrusion attempt and offers some practical advice for securing your computer against unauthorized access INTRUSION ATTEMPTS Should worry about intrusions? Suppose you live in a really dan- gerous neighborhood where gangs roam the streets, painting every available surface with graffiti and randomly attacking residents seemingly endless number burglars creep from house house looking for unlocked doors and windows, and occasionally trying to pick lock or two Punk kids FIGURE 6.46 ...