Having to remember so many different passwords is annoying, but it can also be dangerous. Because it is virtually impossible to remember a unique password for each of these accounts, many people leave handwritten lists of usernames and passwords on or next to their computers.
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While these practices make it easier to remember login information, they also make it easier for thieves to hack into accounts.
Single Sign-On (SSO) confirmation and password management software can help solve this problem. With SSO, users only need to remember one password to log in to the main system.
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SSO software is typically used by large companies, schools, or libraries.
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If a user loses or forgets the password required to log in to SSO software, the user will then lose access to all of the applications linked to the SSO account. Users who rely on password management software face the same problems.
Although most websites or network systems allow users to recover or change lost passwords by providing email addresses or answering a prompt(提示, this process can waste time and cause further frustration. What is more, recovering a forgotten password is only a temporary solution.
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Some computer scientists have suggested computers rely on biometrics(生物测定学).
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