| Sumario: | The article discusses the usage of visual passwords for computer security. The problems with traditional passwords are discussed, mentioning the difficulty of remembering secure passwords, the frequency with which insecure passwords are chosen due to the ease with which they are memorized, and the insecure practice of writing passwords down. The four stages of digital authentication are mentioned, which include matching the user with the authentication key, challenging the user to provide the authentication key, and occasionally supplying the user with a new key if the old one is forgotten. The types of visual passwords are also discussed, which include searchmetric, locimetric, and drawmetric systems.
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