手机不设密码锁,就像家里没人、门户大开一样,毫无安全可言。
A four-digit passcode - and an accompanying self-destruct feature that might wipe a phone's data after too many wrong guesses - stumped the FBI for weeks and forced them to bring in outside help.
别小看这一串四位数密码,输错太多次的话,手机就会自动抹掉数据。连FBI调查员都被这难倒,不得不请外援帮助。
Using six digits makes a passcode 100 times harder to guess.
六位密码要比四位密码难猜100倍。
And if you want to make it even harder, you can add letters and other characters to further increase the number of possible combinations.
如果想让密码更难猜,可以添加些字母或其他字符,这会进一步降低猜中几率,增加破解难度。
These are options on both iPhones and Android.
iPhone和安卓手机都有这些选项。
The iPhone's self-destruct feature is something you must turn on in the settings, under Touch ID & Passcode.
要打开iPhone的数据自动销毁功能,你可以在设置里面的Touch ID & Passcode选项下操作。
Do so, and the phone wipes itself clean after 10 failed attempts. But the 10 attempts apply to your guesses, too, if you forget your passcode, or if your kids start randomly punching in numbers. Android has a similar feature.
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