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Third, many people consider biometric authentication very intrusive Having extremely personal details such as fingerprints stored on a computer system is not to many people s liking Fourth, many security experts consider biometrics oversold The companies in the business of selling biometric systems often make impossible claims For example, a company making a software solution that measures typing cadence claims to protect customers against keystroke loggers, making stolen passwords worthless That is impossible For example, the user must still type the password on the client, and a keystroke logger on the client could be easily augmented to capture all the same information that the biometric software is capturing This information could be easily replayed to successfully authenticate.

This solution, in fact, fails to mitigate a single problem with passwords, but aggravates the problem that users must remember their passwords because it breaks solutions that rely on secure client-side storage of randomly generated passwords, such as Password Safe (http://passwordsafesourceforgenet/) Fifth, there is a common misperception that biometric systems are secure because they are inherently a part of the user and cannot be left lying around the way passwords written on a sticky note can However, this ignores the fact that biometric authentication sequences can not only be captured, such as fingerprints on a glass, but the tokens themselves are also most definitely removable There have already been recorded instances of thieves making off with biometric authenticators (Kent, 2005) Less intrusive methods of capturing authenticators have also been used.

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Bug fix rate over Percentage of bugs found that are being fixed. Percentage should go down toward time ship as the triage bar rises. Bugs by code area Bugs found by functional area Sorted list of functions with the most reported bugs can influence where additional testing might be needed. Percentage of bugs found by test team, by internal users, by development, by product support, and by external beta testers can help influence test strategy.

For example, the Chaos Computer Club in Germany published a training video a few years ago showing how to produce a synthetic fingerprint by lifting one off a bottle Finally, there are relatively few choices for biometric authenticators For example, in a system using fingerprints you only have 10 choices If one of them is compromised or lost you have nine left to choose from This makes cycling your authenticators regularly difficult because you will run out relatively soon Because capturing and replaying credentials is a real risk, the lack of choices of authenticators is a threat not to be discounted For all these reasons, Windows does not natively support biometric authentication Third parties do produce add-on software and hardware for biometric authentication Microsoft also sells a fingerprinting device, although this latter device is clearly labeled as a non-enterprise grade security device.

When you start a new worksheet in Office Excel 2007 by choosing New from the File menu, the New Workbook window opens, immediately offering you a list of template categories from which you can choose. This greatly simplifies connecting to Microsoft Office Online (which Office Excel 2007 does automatically when you choose a template type) and searching for the template categories you might want to try. Click the template category you want to see (for example, Business), and if the category includes subcategories, click the one you want (such as Accounting). Office Excel 2007 connects to Microsoft Office Online and displays a collection of templates available in that category. The selected template appears in a preview pane on the right side of the window (see Figure 5-3). If that s the template you want, click Download to download it to your system.

However, for all the reasons stated previously, biometric authenticators in general are not enterprise-class authenticators and should not be used in enterprises or to protect sensitive personal or corporate information For enterprise use, smart cards and passwords can be far more secure, flexible, and easily integrated into ordinary business practices The remainder of this chapter will focus on those two technologies..

Bugs by severity Expect to see severity 1 and severity 2 bug find rates drop as the project progresses, while percentage of severity 3 and lower bugs increases. That is, expect to find the serious bugs earlier in the product cycle. Where found This measure can vary depending on the type of product being tested. Understanding where in the product the bugs have been found can reveal risky areas of the product. Knowing how the bug was found can aid in root cause analysis and implementation of defect prevention techniques.

Suppose a user visits your Web site, and notices the following URL in the Address box:

http://www.contoso.com/public/ http://www.contoso.com/

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