Speak, Friend, and Enter: Computer Passwords  

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Jenis: Article from Bulletin/Magazine
Dalam koleksi: The Economist (http://search.proquest.com/) vol. 402 no. 8777 (Mar. 2012), page 78-79.
Topik: Passwords; Computer Security; Consumer Behavior; Research; Information Technology

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Perpustakaan Pusat (Semanggi) Nomor Panggil: EE29.71 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Passwords are ubiquitous in computer security. All too often, they are also ineffective. A good password has to be both easy to remember and hard to guess, but in practice people seem to plump for the former over the latter. Names of wives, husbands and children are popular. Some take simplicity to extremes: one former deputy editor of The Economist used "z" for many years. And when hackers stole 32m passwords from a social-gaming website called RockYou, it emerged that 1.1% of the site's users--365,000 people--had opted either for "123456" or for "12345". That predictability lets security researchers (and hackers) create dictionaries which list common passwords, a boon to those seeking to break in. But although researchers know that passwords are insecure, working out just how insecure has been difficult. Many studies have only small samples to work on--a few thousand passwords at most. Hacked websites such as RockYou have provided longer lists, but there are ethical problems with using hacked information, and its availability is unpredictable. However, a paper to be presented at a security conference held under the auspices of the Institute of Electrical and Electronics Engineers, a New York-based professional body, in May, sheds some light. With the co-operation of Yahoo!, a large internet company, Joseph Bonneau of Cambridge University obtained the biggest sample to date--70m passwords that, though anonymised, came with useful demographic data about their owners.

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