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Privacy Defended: Protecting Yourself Online by Chris Weber, William Chan, Gary Bahadur

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What Are Digital Certificates?

A digital certificate is supposed to be the computerized equivalent of a passport. It proves a person's identity online and provides a means of legally valid signatures in some cases. In today's society, you might have many forms of identification, including a passport, driver's license, membership card, or similar type of ID card. Just as you can have many ID cards for many different purposes, you can have many digital certificates to serve you. A certificate is used to identify a person or a thing. It is a digital document, which is really a file stored on a computer that can be used to identify a person, server, or company. A server that is running a Web site usually has a digital certificate for your Web browser ...

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