What is Smart tokens in computer security?
I was told a smart card is anexample, please give me a detail explain and more examples.
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A token is simply a secondary requirement for authentication.
Most authentication is single factor; username and password. You have to know both to log on. Adding a token requires you not only to know something, but to posess something. In this case, the credit card like device that identifies you. The token can be anything from a specialized card, to a flash drive with a PKI certificate on it.