2024版新教材高考英语全程一轮总复习课时作业3Unit3Familymatters外研版必修第一册
课时作业(三) 必修第一册 Unit 3 Family mattersⅠ.阅读理解A[2023·江苏省无锡市高三模拟测试]It seems that every week we find out so
课时作业(三)必修第一册Unit3Familymatters Ⅰ.阅读理解 A [2023·江苏省无锡市高三模拟测试]Itseemsthateveryweekwefindout someonebrokeintoabigcompany'sdatabases—liketherecentEquifaxdata breach(违规)—andmadeoffwithmillionsofcreditcardnumbers,passwordsand othervaluableinformation.Andnowanewkindofworry:someonecouldseize controlofyourwirelesshomenetworkandstealyourinformationfromunder yournose. That'sthepossibilityraisedbyacoupleofcybersecurityresearchers fromtheCatholicUniversityofLeuveninBelgium.Theproblem,theysay,isa weaknessintheveryprotocolmeanttomakewifisecure.Thatprotocolis calledWiFiProtectedAccessII,WPA2.AndWPA2'sweaknesscouldallowan attackerwithinphysicalrangeofyourwifinetworktomakeacopyofthat networkthattheycouldthencontrol.Theresearcherscalltheirapproachakey reinstallationattack,orKRACK． It'simportanttoknowthataKRACKattackremainsapossibilityfornow. Thescientistsrealizedthethreatwhileinvestigatingwirelesssecurity. They'llpresentthisresearchonNovember1stattheComputerand CommunicationsSecurity(CCS)conferenceinDallasandinDecemberattheBlack HatEuropeconferenceinLondon. IntheirKRACKassumption,wirelessdeviceswouldbefooledintoconnecting tothefalsenetwork.Andtheattackerwouldbeabletoaccessallofthe informationthatdevicessendandreceivewhileconnectedtothatnetwork—even ifthatinformationhasbeencoded.AndroidandLinuxwouldbeespeciallyeasy toattackbecauseofhowtheirencryptionkeys(密钥)areconfigured(设定)． Onemeasureofprotectionagainstsuchanattackwouldbetomakesurethat you'veinstalled(安装)themostuptodateversionsofyourapps,browsersand wirelessroutersoftware.Updatedsoftwareismostlikelytoincludethe securitypatches(补丁)neededtoavoidfallingvictimtoaKRACKattack, becausechancesarethatKRACKwon'tremainsimplyaproofofconceptforlong. 1．WhatarehomeInternetusersconcernedaboutnow? A．TheirInternetmaybedisconnected. B．Theircreditcardsmightbeinaccessible. C．Theirhomenetworkmightbedestroyed. D．Theirpersonalinformationmightbestolen. 2．HowcantheattackertakeadvantageoftheWPA2'sweakness? A．Byinstallingakey. B．Byapproachingphysicalrange. C．Bycopyingandcontrollingthenetwork. D．BycontrollingtheInternetusers. 3．WhatcanwelearnfromParagraph4?
