
Yes, computers have security holes. And with a little bit of knowledge, it is possible to exploit them. Here are some resources on learning how these holes work, and how you can defend against attackers.
Let's just hope you use this knowledge for good...
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There is no right or wrong time to introduce your child to the family computer. Much like deciding when to buy the first bike, or when your child can go out alone with friends, the choice will be based on your parenting style, your values and, most importantly, your child's readiness.
Consider the following as you help your children learn how to use the computer...