Networking with Microsoft Windows Vista- P7

Networking with Microsoft Windows Vista- P7: A better solution is to increase the number of computers available. Now thatmachines with fast processors, ample RAM, and massive hard disk space canbe had for just a few hundred dollars, a multiple-machine setup is an affordableproposition for most homes.
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Networking with Microsoft Windows Vista- P7 284 Networking with Microsoft® Windows Vista™ Elevating Privileges This idea of elevating privileges is at the caution After you’ve used Vista for heart of Vista’s new security model. If a while, the temptation may be to quickly click Continue each time you’re a member of the Administrators the User Account Control dialog group (except the Administrator account, box shows up. I strongly urge you as described in the previous section), you to fight this temptation with all run with the privileges of a standard user your might! The thin thread that for extra security. When you attempt a separates a secure Vista machine task that requires administrative privileges, from a compromised one is your attention. That is, when the User Vista prompts for your consent by display- Account Control dialog box ing a User Account Control dialog box appears, it’s important that you similar to the one shown in Figure 13.1. pay attention to the text in the Click Continue to permit the task to pro- dialog box. Is it a program or serv- ceed. If this dialog box appears unexpect- ice that you know you’re starting or that you’re already working edly, it’s possible that a malware program with? If not, click Cancel. Did the is trying to perform some task that requires dialog box appear right after you administrative privileges; you can thwart initiated some task, or did it just that task by clicking Cancel instead. show up out of the blue? If it was the latter, click Cancel. FIGURE 13.1 13 When an administrator launches a task that requires administrative privileges, Windows Vista displays this version of the User Account Control dialog box to ask for consent. If you’re running as a standard user and attempt a task that requires admin- istrative privileges, Vista uses an extra level of protection. That is, instead of just prompting you for consent, it prompts you for the credentials of anPlease purchase PDF Split-Merge on www.verypdf.com to remove this watermark. CHAPTER 13 Securing Windows Vista 285 administrator, as shown in Figure 13.2. If your system has multiple adminis- trator accounts, each one is shown in this dialog box. Type the password for any administrator account shown, and then click Submit. Again, if this dialog box shows up unexpectedly, it might be malware, so you should click Cancel to prevent the task from going through. FIGURE 13.2 When a standard user launches a task that requires administrative privileges, Windows Vista displays this version of the User Account Control dialog box to ask for administrative creden- tials. Note, too, that in both cases Windows Vista switches to Secure Desktop mode, which means that you can’t do anything else with Vista until you give your consent or credentials or cancel the operation. Vista indicates the secure desk- top by darkening everything on the screen except the User Account Control dialog box. Is there any way to tell when the User Account Control dialog box will show up? In most cases, yes. Vista usually adds a Security icon beside a link or 13 other control that requires elevated permissions. Figure 13.3 shows a few examples.Please ...