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How to choose a good password

Very interesting empirical study made at the Cambridge University Computer Laboratory. Shows, that a combination of mnemonic based passwords (i.e. the first letter of a phrase) and password policy enforcement to create minimal length and maximum entropy passwords offers the best tradeoff between security and memorability. Also worth mentioning is, that random passwords appear not to be better that passwords based on mnemonic phrases.

Link to .pdf (97KB)
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