Web security is not “all or nothing”—security is a matter of degree. The more security measures you employ, the more you reduce your risk. Your goal should be to reduce risk as much as is practical (and affordable), and then to take additional measures so that if there is a security incident, you will be able to recover quickly.
Some people think that security is difficult, and that it is impossible to have a system that is completely secure, so why bother trying at all? You may work with people who express this attitude.
Unfortunately, the fact is that computer security is not painless and it is not free. Companies that eschew computer security and decide to take their chances live in a riskier environment. A computer administrator who sets up a security-free system that does not subsequently suffer a break-in may be rewarded for his or her carelessness—possibly being promoted or hired by another organization. If a security incident occurs, the administrator may be long gone.
On the other hand, as this book shows, good web security is becoming easier to implement and work with. And as commerce becomes a part of the Internet, good security is becoming expected as a matter of course. The important thing to realize is that security is not simply a product that can be purchased. Security must be an integrated part of an organization’s operation.
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