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ID:32217531
大小:6.12 MB
页数:55页
时间:2019-02-01
《医保数据库安全加固技术分析与应用》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、工程硕一l:学位论文AbstractAsthef-oundationandcoreoftheenterprlseinfbrmationsystem,databasestoresimportantinformationofenterprise,sotheimportanceofprotectingthedatabaseispaidmoreandmoreattentionbypeople.TheHygeiamedicalinsuranceMISstorealotofenterprisesandindiVidual’ssensitiVe
2、andconfidentialdata.Inacity,thesystemhasbeenputintouse.Duringthattimedatahasbeenchangedforseveraltimes.ThispaperdeeplyinVestigatedtheproblemofthedatabasesecurity.BasedonanalysisofoVerallstructureofHygeiaMIS,thepaperanalysisitsdatabasearchitectureandsimpledatabasesecur
3、ityprecautionandpointsoutthatthesemethodscannotguaranteedatasecurity.HygeiauseOracle.Underthepremiseofnotmodifyingthesourcecodeoftheexistingsystem,securitytechnologyof0racleisdiscussedindetail.thepaperpresentsasetofeffectivedatabasesecurityreinforcementtechnology.Hyge
4、iaisreinforcedbyfourkindsoftechnologies.First,setupasecureaccount:WithprincipleofleastpriVilege,passwordsecuritymanagementisimplementedandsettingupasecureuseraccOuntandlimitsuserontheuseofsystemresources.Second,setupasecurelistener:Setpasswordin0raclenetworkconnection
5、utility1snrctl,implementsecurenetworkaccesscontrol,limittheclienttoconnecttothedatabaseserVerandlimitothercharacteristicsofthelistener.Third,usethefine—grainedaudit:Aneff.ectiVeauditstrategyisdesignedfbrtheimportantandsensitiVetablesinthesystem,auditresultsarestoredin
6、anxmlfileanddatabasewhichcanrecorddatachangesinrowleVelandtrackthedatabaseoperationprocess,theref.0redetectaccesstothedatabaseandthepossibleexternalinvasionstothedatabaseeff色ctiVely.Andthepaperdesignsanautomatedprocess,whenadatabaseaccessactioninVi01ationofthesaf色tyau
7、ditstrategy,thesystemautomaticallysendawarningmessagetotheadministrator’smailboxinordertoalerttheadministratortimelydetectthedetailedsystemsecuritylog.Fourth,usingVP:Drestrictdataaccess:with0racleVPDtechnology,矗ne—grainedaccesscontrolandsecurityapplicationcontextcombi
8、netoensurethatallcompanycanonlyaccessdataoftheirown.Fourkindsofdatabasesecurityreinf.0rcementtechnologies,whichareputforward
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