本帖最后由 劳动的人最可爱 于 2015-5-28 09:37 编辑
[Daily News] Security questions risks‘安全提示问题’并不安全今天我们可以看看一系列关于恢复账号和概率的表达{:7_177:}，也可以知道怎样才能最好地保护自己的账号安全哦 供大家练习用，回帖可看到参考中文哈：） Researchers at Google discovered that security questions as a standalone method for recovering access to accounts is not an efficient model. The study relied on a dataset of hundreds of millions of secret answers and millions of account recovery requests. If the user set up a truthful answer, according to statistics provided by the researchers, in 19.7% of the cases, an attacker would need a single try to guess the correct answer to the question "What is your favorite food?" in the case of American users. With 10 guesses, an attacker would have a 39% chance of guessing Korean-speaking users´ answers to the question "What is your city of birth?" As per their findings, the recovery mechanism based on reset SMS codes recorded a success rate of 81%, while the method relying on backup emails proved to be efficient in 75% of the cases.
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