Two-factor authentication's time has arrived

Bill Brenner

Once upon a time, companies couldn't give away two-factor authentication services. Now, some are positioning themselves to make big money from it, signaling the possible demise of passwords as we know them.

Some recent examples:

  • America Online's Passcode service, in which users get a small handheld six-digit numeric code key. To log onto an AOL account equipped with the service, they'll have to type in the six-digits, which refresh on the device every 60 seconds, on top of using the regular password.

  • RSA making its SecurID product available for Microsoft Windows users, saying it'll help "ensure that valuable network resources are accessible only by authorized users" while "simultaneously delivering a simplified and consistent user login experience."

  • VeriSign's Unified Authentication managed service, in which enterprises deploy Universal Serial Bus (USB) tokens to all their users and VeriSign manages the infrastructure.

  • IBM's new ThinkPad, which includes a fingerprint reader that signs users into all their passwords.

    Why do companies seem to be clamoring for something they couldn't be bothered with a couple years ago? One reason: the problematic passwords people need to navigate their networks, said Jonathan Penn, an analyst for Cambridge, Mass.-based Forrester Research.

    "Windows 2000 finally gave administrators the ability to enforce strict passwords with a certain number of letters," Penn said. "That

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