托福阅读材料之iphone5s指纹识别会是数字密码的极限吗

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1、智课网TOEFL备考资料托福阅读材料之iPhone5S指纹识别会是数字密码的极限吗出国英语考试有哪些雅思6.5是什么水平雅思阅读评分标准托福阅读评分标准雅思和托福的区别苹果公司最近发布的iPhone5S带有指纹识别功能，该公司表示这种接触式身份识别系统会彻底革新智能手机安全功能，取代传统的密码体系。不过，相关领域的研究人员却表示，指纹识别技术并不完美，“并没有比四个数字的密码安全多少”。苹果主管全球产品营销的高级副总裁席勒在新品发布会上表示，智能手机用户中有一半不给手机设密码，指纹识别功能为他们提供了一个更便捷、更有

2、趣的安全选择。该功能不但能用于手机解锁，还能用于AppStore购物支付。可是，安全研究人员指出，指纹识别也有安全隐患；我们所到之处都会留下我们的指纹，一旦有人起歹念，复制了我们的指纹，那么这个功能就失效了。另外，研究人员也提醒，指纹信息不能像密码那样可以随时更换，用指纹识别作为唯一安全保障并不明智。AppleunveiledthefingerprintscanneronitsiPhone5SonTuesdaywithboldclaimsaboutitshighlevelsofencryptionandsecurit

3、y.ThefirmevensuggestedthatitsTouchIDsystemcouldrevolutionizesmartphonesecurityandreplacethetraditional,everydaypassword.Yetsecurityresearchershavewarnedthatthetechnologyisnotperfect,withoneaddingthatit'provideslittleaddedsecurityoverafour-digitcode.'TheTouchIDs

4、ensorisbuiltintothepremiumphone's'home'buttonandcanbeusedtounlockthephone,aswellaspayforshoppingandappsautomatically-effectivelyreplacingtheneedforapasswordorPIN.SpeakingatthelauncheventinCupertino,Apple'sseniorvicepresidentofworldwidemarketingPhilSchillersaid:

5、'Halfofsmartphonecustomersdonotsetuppasswords.[TouchID]isaneasierandmorefunalternative.'Ituseskeyyouhavewithyoueverywhereyougo.Yourfinger.'Itworksbyusingasmalltouchsensorencasedaroundthehomebuttonthatscansthelayersofskinonafinger.Ausercan'train'theiriPhonetorea

6、dandlearntheiruniquefingerprintandwhentheytouchthehomebutton,thephoneisunlocked.TouchIDcanalsoreplaceanAppStorepasswordwhenbuyingmusic,appsorbooks.Itusesa'lasercutsapphirecrystal'totakeahigh-resimagescanandtheTouchIDsoftwareiniOS7determineswhethertheprintbelong

7、stotheownerornot.SchillerreassuredusersthatTouchIDissecurebyexplainingthat'allfingerprintinformationisencryptedandstoredsecurelyinsidethedevice'schip'addingtheprintsarenotstoredonanAppleserver,orbackeduptoiCloud.Yetsecurityresearchersaren'tconvinced.JohnHawesfr

8、omSophosSecuritywrote:Inthepast,[fingerprintscanners]haveprovenratherunreliable,plaguedwithsecurityworries.'Fingerprintsarenotsecret:weleavecopiesofthemwhereverwego.Oncesome