网络安全英语版

演讲人：日期：网络安全英语版目录IntroductiontoNetworkSecurityBasicsofNetworkSecurityNetworkSecurityToolsandTechnologiesIdentifyingandPreventingNetworkAttacksManagingNetworkSecurityRisksManagingNetworkSecurityIncidentsFutureTrendsinNetworkSecurity01IntroductiontoNetworkSecurityNetworksecurityreferstothepracticesandpoliciesadoptedtopreventandmonitorunauthorizedaccess,misuse,modification,ordenialofacomputernetworkanditsresourcesDefinitionItensurestheintegrity,confidence,andavailabilityofdataandnetworkresources,whicharecriticalforthesmoothfunctionsoforganizationsandindividualsImportanceDefinitionandImportanceTypesofNetworkSecurityThreatsMalwareMalicioussoftwarethataffectsanddisruptscomputersystems,suchasviruses,words,andtrojansPhishingAttacksAttacksthatusefraudulentemailsorwebsitestotrickusersintoreviewingsensitiveinformationDenialofService(DoS)AttacksAttacksthatfloodanetworkorserverwithtraffictooverwhiteitandpreventlegalusersfromaccessingresourcesManintheMiddleAttacksAttackswhereanattackerinterceptscommunicationbetweentwopartiesandimpersonateseachpartytotheotherPreventDataLossNetworksecuritymeasureshelppreventunauthorizedaccessanddatabreachesthatcanleadtothelossofsensitiveinformationMaintainBusinessContinuityByprotectingcriticalnetworkresources,organizationscanensureuninterruptedbusinessoperationsandavoidcostdowntimeComplywithRegulationsManyindustriesandorganizationsarerequiredtoadapttospecificnetworksecurityregulationstoprotectcustomerdataandavoidlegalpenaltiesNeedforNetworkSecurityMeasuresNeedforNetworkSecurityMeasuresEnhanceCustomerTrustImplementingrobustnetworksecuritymeasurescanenhancecustomertrustandconfidenceinanorganization'sabilitytoprotecttheirdata02BasicsofNetworkSecurity

Confidentiality,Integrity,andAvailabilityConfidentialityEnsuringthatinformationisaccessibleonlytothoseauthorizedtohaveaccessIntegrityGuarantyingtheaccuracyandcompletenessofinformationandsystemsAvailabilityEnsuringthatauthorizedusershavetimelyandrelatedaccesstoinformationandresourcesAuthenticationandAuthorizationAuthenticationVerifyingtheidentityofauserorsystemattackingtoaccessanetworkorresourceAuthorizationDeterminingwhatlevelofaccessaparticularuserorsystemshouldhavetoanetworkorresource03CommonEncryptionAlgorithmsIncludingAES,RSA,andDESwhicharewidelyusedinnetworksecurity01EncryptionTheprocessoftransformingreadabledataintoanunreadableformattoprotectitfromunauthorizedaccess02DecryptionTheprocessoftransformingencrypteddatabackintoitsoriginalreadableformatEncryptionandDecryptionTechniques03NetworkSecurityToolsandTechnologiesFirewallsAfirewallisasecuritysystemthatmonitorsandcontrolsincomingandoutgoingnetworktrafficbasedonpredefinedsecurityrulesIthelpsprotectnetworksfromunauthorizedaccessandmaliciousattacksIntrusionDetectionSystems(IDS)AnIDSmonitorsnetworktrafficforsurveillanceactivityandalertsadministratorswhenpotentialintrusionsaredetectedItcanhelpidentifyandmitigatethreatssuchasviruses,words,andTrojanhorsesFirewallsandIntrusionDetectionSystemsAntivirusSoftwareAntivirussoftwareprotectscomputersandnetworksfromvirusesbyscanningforandremovingmaliciouscodesIttypicallyupdatesitautomaticallytoprotectagainstnewvirusesastheyemergeAntimalwareSoftwareAntimalwaresoftwaregoesbeyondantivirusprotectiontodetectandremoveawiderangeofthreats,includingspyware,adware,andothermaliciousprogramsAntivirusandAntimalwareSoftwareAVPNcreatesasecure,encryptedconnectionoveralesssecurenetwork,soastheinternetItallowsremoteuserstoaccessinternalnetworkresourcesastheyweredirectlyconnectedtotheprivatenetworkVPNs(VirtualPrivateNetworks)Aproxyserveractsasanintermediarybetweenaclientandaserver,allowingclientstomakeindirectnetworkconnectionstoothernetworkservicesProximitiescanprovideadditionalsecuritybyfilteringandmonitoringnetworktrafficProxiesVPNsandproxiesforSecureRemoteAccess04IdentifyingandPreventingNetworkAttacksMalwareAttacksMalicioussoftwaredesignedtodamageordisablecomputersandcomputersystemsDenialofService(DoS)AttacksAnattacktomakeacomputerresourceunavailabletoitsintendedusersbyoverwhelmingitwithtrafficorrequestsManintheMiddle(MitM)AttacksAnattackwheretheattackerinterceptsandpotentiallyalterscommunicationbetweentwopartieswhobelievetheyaredirectlycommunicatingwitheachotherCommonTypesofNetworkAttacksCommonTypesofNetworkAttacksSQLInjectionAttacksAtechniqueusedtoattackdatadrivenapplicationsbyinsertingmaliciousSQLcodeintoqueries02010403PhishingEmailsSpearPhishingPretextingWaitingPhishingandSocialEngineeringTacticsEmailsthatappeartobefromatrustedsourcebutcontainlinksorattachmentsthat,whenclicked,caninstallmalwareorsteelpersonalinformationAmoretargetedformofpresentationthatisdetailedtospecificindividualsororganizationsAsocialengineeringtechniquewheretheattackercreatesafalsescenariototripthevictimintodivingsensitiveinformationUsingaphysicalmediadevice,suchasaUSBdrive,tolurevirusesintoaffectingtheircomputerswithmalwareUseStrongPasswords:Createcomplexanduniquepasswordsforeachaccount,andchangethemregularlyKeepSoftwareUptoDate:Regularlyupdateoperatingsystems,browsers,andothersoftwaretopatchsecurityvulnerabilitiesUseAntivirusSoftware:InstallandregularlyupdateantivirussoftwaretodetectandremovemalwareEnableFirewallProtection:ConfigurefirewallstoblockunauthorizedaccesstocomputersandnetworksPracticeSafeBrowsingHabits:Avoidclickingonsurveillancelinksordownloadingattachmentsfromunknownsources0102030405BestPracticesforPreventingAttacks05ManagingNetworkSecurityRisksIdentifypotentialthreatsandvulnerabilityConductregularsecurityauditsandriskassessmentstoidentifypotentialthreats,suchasmalware,phishingattachments,andunauthorizedaccessattachments,aswellasvulnerabilityinthenetworkinfrastructure,software,andhardwareRiskAssessmentandManagementStrategiesRiskAssessmentandManagementStrategiesClassifyrisksbasedontheirlifestyleandpotentialimpacttodeterminewhichonesrequireimmediateattentionandwhichonescanbeaddressedlaterPrioritizerisksDevelopandimplementsecuritypolicies,procedures,andcontrolstomitigateidentifiedrisks,suchasfirewalls,intrusiondetectionsystems,andencryptiontechnologiesImplementriskmitigationmeasuresDevelopadisasterrecoveryplanCreateacomprehensiveplanthatoutlinesthestepstobetakenintheeventofadisaster,suchasadatabreachornaturaldisaster,toensuretherapidrecoveryofcriticalbusinessfunctionsanddataImplementbusinesscontinuitymeasuresPutinplacemeasurestomaintainbusinessoperationsduringadisaster,suchasredundantsystems,backuppowersupplies,andoffsitedatastorageTestandupdatetheplanregularlyConductregulartestsofthedisasterrecoveryplantoidentifyanyweaknessesorgaps,andupdateitaccordingtoensureitseffectivenessintheeventofarealdisasterDisasterRecoveryandBusinessContinuityPlanningUnderstandregulatoryrequirementsStayuptodatewithrelevantlaws,regulations,andindustrystandardsthatpersisttonetworksecurityandensurethattheorganization'ssecuritypracticesandpoliciescomplywiththeserequirementsImplementcompliancemeasuresDevelopandimplementsecuritymeasuresthatarenecessarytoachievecompliancewithregulatoryrequirements,suchasaccesscontrols,dataencryption,andaudittrailsMonitorandreportoncomplianceContinuouslymonitortheorganization'scompliancewithregulatoryrequirementsandreportonanynoncomplianceissuestoensurethattheyareaddressedpromptlyandappropriatelyCompliancewithRegulatoryRequirements06ManagingNetworkSecurityIncidentsEstablishanincidentresponseteam(IRT)withclearlydefinedrolesandresponsibilitiesDevelopandmaintainincidentresponseplansthatoutlineproceduresfordifferenttypesofsecurityincidentsConductregulartrainingandsimulationstoensurethatIRTmembersarefamilieswiththeresponseplansandcanexecutethemeffectivelyImplementacommunicationplantoensuretimelyandaccurateinformationsharingwithintheIRTandwithrelevantstakeholdersIncidentResponsePlanningandProcedures输入标题02010403ForensicsInvestigationandEvidenceCollectionIdentifyandpreservedigitalevidencerelatedtothesecurityincident,followingestablishedforensicproceduresDocumenttheinvestmentprocessandfindings,includingatimelineofeventsandaffectedassetsConductadetailedforensicanalysistodeterminethecauseandscopeoftheincident,identifyinganyvulnerabilitythatwasexploredIsolateaffectedsystemstopreventfurtherdamageanddatalossConducta