有关网络安全的英语

有关网络安全的英语演讲人：03-23CONTENTSIntroductiontoCyberSecurityBasicsofNetworkSecurityPreventiveMeasuresinCyberSecurityResponseMeasuresinCyberSecurityBestPracticesforImprovingCyberSecurityPoliciesandRegulationsinCyberSecurityIntroductiontoCyberSecurity01Cybersecurityreferstotheprotectionofcomputersystemsandnetworksfromthetheftofordamagetotheirhardware,software,orelectronicdata,aswellasfromthedisruptionormisdirectionoftheservicestheyprovideDefinitionWiththeincreasinginterconnectivityofcomputersystemsanddependenceontechnologyinallaspectsoflife,cellsecurityhasbecomecriticaltoprotectsensitiveinformation,maintaintheintegrityofsystems,andensuretheavailabilityofcriticalservicesImportanceDefinitionandImportanceVSMalicioussoftwaredesignedtodamageordisablecomputersandcomputersystems,suchasviruses,words,andtrojansPhishingAtechniqueusedtoacquiresensitiveinformationsuchasusernames,passwords,andcreditcarddetailsbymaskingasatrustworthyentityinanelectroniccommunicationMalwareTypesofCyberThreatsHackingTheunauthorizedaccesstoormanipulationofcomputersystemsornetworks,oftenwithmaliciousintentDenialofService(DoS)AttacksAnattackdesignedtomakeamachineornetworkresourceunavailabletoitsintendedusersbyoverwhelmingitwithexternalcommunicationsrequestsTypesofCyberThreatsNeedforCyberSecurityMeasuresPreventDataBreachesImplementingstrongcellsecuritymeasurescanhelppreventunauthorizedaccesstosensitivedata,protectingbothindividualsandbusinessesfromfinancialandreputationaldamageEnsureSystemIntegrityByprotectingsystemsfrommalwareandotherthreats,cybersecurityhelpsmaintaintheintegrityandreliabilityofcomputersystemsandnetworksEnableTrustinTechnologyRobustcellsecuritymeasuresareessentialtobuildingtrustintechnologyandencouragingthewidespreadoptionofdigitaltoolsandservicesMitigateRisksofCybercrimeWiththeincreasingpropagandaandfrequencyofcybercrime,effectivecybersecuritymeasuresarecriticaltomitigatetherisksposedbythesethreatsNeedforCyberSecurityMeasuresBasicsofNetworkSecurity02NetworktopologyReferstothelayoutofconnecteddevicesinacomputernetwork,includingthephysicalandlogicalarrangementsofnodesandlinksNetworkComponentsKeyelementsinanetworksuchasrouters,switches,firewalls,intrusiondetectionsystems(IDS),andserversUnderstandingtheRoleofEachComponentItiscriticaltounderstandthefunctionsandvulnerabilitiesofeachnetworkcomponenttoensuresecurenetworkoperationsNetworkTopologyandComponentsTCP/IPProtocolSuiteThefundamentalcommunicationprotocolusedintheinternet,whichincludessecuritymeasuressuchasencryptionandauthenticationSecureSocketsLayer(SSL)andTransportLayerSecurity(TLS)ProtocolthatprovidessecurecommunicationovertheinternetbyencryptingdatatransmittedbetweenaclientandaserverNetworkSecurityStandardsStandardssuchasISO27001,NISTSP800-53,andPCIDSSprovideguidelinesandbestpracticesforensuringnetworksecurityProtocolandStandardsinNetworkSecurityCommonNetworkVulnerabilitiesMalwareAttacksMalicioussoftwaresuchasviruses,words,andtrojanscanaffectanddamagenetworksystems,stabilizingsensitivedataordisruptingnetworkoperationsPhishingAttacksPhishingisatypeofsocialengineeringattackwhereattackerssendframedemailsormessagestotrickusersintoreviewingsensitiveinformationordownloadingmalicioussoftwareDenialofService(DoS)AttacksDoSattacksfloodanetworkorsystemwithrequests,exceedingitandcausingittocrashorbecomeunresponsiveManintheMiddle(MitM)AttacksInaMitMattack,anattackerinterceptscommunicationbetweentwoparties,eavesdroppingorevenmodifyingthetransferreddatawithouttheknowledgeofbothpartiesCommonNetworkVulnerabilitiesPreventiveMeasuresinCyberSecurity03FirewallsAfirewallisasecuritysystemdesignedtopreventunauthorizedaccesstoorfromaprivatenetwork.Itcanbeimplementedinbothhardwareandsoftware,oracombinationofbothFirewallsestablishabarrierbetweenatrustedinternalnetworkandtrustedexternalnetworks,suchastheInternet,andtheyonlyallowdatapacketstopassthroughiftheymeetthespecifiedsecuritycriteriaFirewallsandIntrusionDetectionSystems(IDS)IntrusionDetectionSystems(IDS)AnIDSisasoftwareapplicationthatmonitorsthenetworkorsystemactivitiesformaleactivitiesorpolicyconflictsandproductsreportstoaManagementStationIDSsareconsideredpassivedefensesbecausetheyonlymonitorandreport;TheydonotattacktostoptheattackerHowever,theycanbeconfiguredtoalertadministratorswhenasurveillanceactivityisdetectedsothatappropriateactioncanbetakenFirewallsandIntrusionDetectionSystems(IDS)AntivirusSoftware:Antivirussoftwareisdesignedtodetect,prevent,andremovecomputervirusesandothermalicioussoftware(malware)IttypicallyscansincomingfilesandemailattachmentsforvirusesandquarantinesordeletionsaffectedfilesAntivirussoftwareshouldberegularlyupdatedtoprotectagainstnewvirusesandmalwarethreatsAntimalwareSoftware:Antimalwaresoftwareissimilartoantivirussoftwarebutisdesignedtodetectandremoveabrowserrangeofmalicioussoftware,includingspyware,adware,andtrojansAntimalwaresoftwareincludesreal-timeprotectionfeaturesthatmonitorsystemactivitiesandalertuserstopotentialthreatsAntivirusandAntimalwareSoftwareEncryptionEncryptionistheprocessoftransformingreadabledataintoanunreadableformattoprotectitfromunauthorizedaccessOnlyindividualswiththedecryptionkeycanaccesstheoriginaldataEncryptioniswidelyusedinnetworksecuritytoprotectsensitiveinformationsuchaspasswords,creditcardnumbers,andpersonaldataEncryptionTechniquesforDataProtectionCommonEncryptionTechniquesSomecommonencryptiontechniquesusedinnetworksecurityincludesymmetricencryption(e.g.,AES),asymmetricencryption(e.g.,RSA),andpublickeyinfrastructure(PKI)Symmetricencryptionusesthesamekeyforencryptionanddecryption,whileasymmetricencryptionusesdifferentkeysforencryptionanddecryptionPKIisasetofhardware,software,policies,andproceduresthatenablethesecureexchangeofinformationovertheInternetusingpublicandprivatekeypairsEncryptionTechniquesforDataProtectionResponseMeasuresinCyberSecurity04IncidentResponsePlanningandExecutionSimulaterealworldattachmentstotesttheresponseplanandteam'sreadinessConductregularincidentresponseexercisesThisshouldincludeproceduresforidentifying,assessing,containing,erasing,andrecoveringfromsecurityincidentsDevelopacomprehensiveincidentresponseplanTrainandequippadedicatedteamtohandlesecurityincidentspromptlyandeffectivelyEstablishanincidentresponseteamCollectandpreserveevidence01Gatherallrelevantdatarelatedtothesecurityincident,includinglogs,systemfiles,andnetworktrafficAnalyzetheevidence02UseforensictoolsandtechniquestoanalyzethedataanddeterminethenatureandscopeoftheattackDocumentthefindings03Prepareadetailedreportoftheinvestment,includingtheattackvector,affectedsystems,andanyvulnerabilityexploredForensicsInvestigationafteraBreach01DevelopaplantorestoreaffectedsystemstoafunctionalstateasquicklyaspossibleImplementarecoveryplan02IdentifyandprioritizethemostcriticalsystemsforrecoverytominimizedowntimeandimpactPrioritizecriticalsystems03AnalyzetheresponseandrecoveryeffectstoidentifylessonslearnedandimprovefuturepreparednessConductpostincidentreviewsRecoveryStrategiesafteranAttackBestPracticesforImprovingCyberSecurity05Keepallsoftware,includingoperatingsystems,browsers,andplugins,uptodatewiththelatestsecuritypatchesImplementapatchmanagementprocesstoensurethatallsystemsandapplicationsareregularlyupdatedUseautomaticupdatingfeatureswhenavailabletoreducetheriskofmissingimportantupdatesRegularUpdatesandPatchManagementForcestrongpasswordrequirements,suchaslength,complexity,andexpirationImplementmultifactorauthenticationforsensitivesystemsandaccountsUsepasswordmanagerstogenerateandstoreuniquepasswordsforeachaccountStrongPasswordPoliciesandAuthenticationMethodsEmployeeTrainingonCyberSecurityAwareness01Provideregularcellsecurityawarenesstrainingtoallemployees02Teachemployeeshowtorecognizeandavoidphishingattachments,malware,andothercommonthreats03EncourageemployeestoreportanysuspiciousactivityorpotentialsecuritybreachesPoliciesandRegulationsinCyberSecurity06ConventiononCybercrimeAninternationaltreatmentseekingtoaddresstheInternetandcomputercrimebyharmonizingnationallaws,improvinginvestmenttechnologies,andincreasingcooperationamongnationsBudapestConventiononCybercrimeThefirstinternationaltreatmentoncrimescommittedviatheInternetandothercomputernetworks,coveringawiderangeofofferssuchasillegalaccess,datainterference,andcomputerrelatedfraudInternationalcooperationagreementsBi