From SOTT:

It’s cheaper than a couple of subway rides, more powerful than almost any hacker (except maybe the NSA). And, if you think about it, not so hard to remember.

For $4, Mira Modi, 11, daughter of the Earth Institute’s Vijay Modi and journalist Julia Angwin, will fix you up with a very secure password—actually a pass phrase of six words. She uses a well-known technique called Diceware that uses rolls of dice to select words at random from an encoded list.

The sixth-grader already has gotten a fair amount of attention for her enterprise, with an interview on NPR and stories in the New York Times, the ArsTechnica website and other media.

“Her business is doing fabulous,” says her dad, who’s a professor of mechanical engineering at Columbia University and a member of the Earth Institute faculty. “Her main issue right now is how to juggle the surge in demand with her schoolwork.”

“All passwords are Diceware generated and contain six words,” Mira says on her website. “I write the passwords by hand and do not keep a copy of what I have sent to you. The passwords are sent by U.S. Postal Mail, which cannot be opened by the government without a search warrant.” She also recommends you alter the pass phrase slightly after she sends it to you.

     The system she uses was developed by Arnold G. Reinhold to create “strong passwords that are easy to remember but difficult for hackers to crack,” she says. “Passwords contain random…

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