Strong passwords should have a significant length and cannot contain normal words. Only random digits and letters of different case. Such passwords are extremely hard to remember and it takes time to enter. But, even strong passwords have their weaknesses. When you type a password, it can be intercepted by a spy program that logs all your keystrokes. Others can see what you type (even if the password field on the screen is masked, the password can be read by buttons you hit on your keyboard.)
Until now, the only solution was to buy a secure token. A secure token is a hardware key that is used instead of or in addition to your normal password authentication. There are two main problems with the hardware solution, though. First, it is expensive. And second, you can use them only with software that has built-in support for this method of authentication.
But, from now on, you can turn any USB flash drive into a secure token! No need to purchase an additional expensive device. All you need is about 2 megabytes of free space on your flash drive or other USB gadget, such as an MP3 player, PDA or even a USB-pluggable mobile handset.
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