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COMINIUS: Away! the tribunes do attend you: arm yourself
To answer mildly; for they are prepar'd
With accusations, as I hear, more strong
Than are upon you yet.—Coriolanus, III, ii, 138–141.
Although computer systems provide security mechanisms and policies that can protect users to a great degree, users must also take security precautions for a variety of reasons. First, although system controls limit the access of unauthorized users to the system, such controls often are flawed and may not prevent all such access. Second, someone with access to the system may want to attack an authorized user—for example, by reading confidential or private data or by altering files. The success of such attacks may depend on the victim's failure to take certain precautions. Finally, users may notice problems with their accounts, causing them to suspect compromises. The system administrator can then investigate thoroughly.
This chapter considers a user of a workstation on the development network at the Drib. The user's primary job is to develop products or support for the Drib. It is not to secure her system. We explore the precautions, settings, and procedures that such a user can use to limit the effect of attacks on her account.
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