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Phishing has become so prevalent that banks must take additional precautions to avoid losses. Unsuspecting Internet users are being fooled into providing their login information by spam emails sent by scammers which appear to be from the financial institution itself.
There are three basic ways of identifying a legitimate user; something they know, something they have, and something they are. Two-factor authentication means that two different types must be used to allow logins.
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There are a number of different methods that will satisfy the new requirement:
- Card readers which generate a password when a card is swiped
- Tokens, which can plug into a USB port
- Password generators that create one-time use passwords
- Fingerprint or retinal scanner
- Scratch-off cards that have a series of one-time use passwords