CompTIA Security+ All-in-One SY0-601 Exam Guide, 6th Edition (2021)

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Thisbookisdedicatedtothemanyinformationsecurityprofessionalswhoquietlyworktoensurethesafetyofournation’scriticalinfrastructures.Wewanttorecognizethethousandsofdedicatedindividualswhostrivetoprotectournationalassetsbutwhoseldomreceivepraiseandoftenareonlynoticedwhenanincidentoccurs.Toyou,wesaythankyouforajobwelldone!

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ABOUTTHEAUTHORSDr.Wm.ArthurConklin,CompTIASecurity+,CISSP,GICSP,GRID,GCIP,GCFA,GCIA,GCDA,CSSLP,CRISC,isaprofessoranddirectorattheCenterforInformationSecurityResearchandEducationintheCollegeofTechnologyattheUniversityofHouston.Heholdstwoterminaldegrees—aPhDinbusinessadministration(specializingininformationsecurity)fromtheUniversityofTexasatSanAntonio(UTSA)andanelectricalengineerdegree(specializinginspacesystemsengineering)fromtheNavalPostgraduateSchoolinMonterey,California.HeisafellowofISSAand(CS)2AIaswellasaseniormemberofASQ,IEEE,andACM.Hisresearchinterestsincludetheuseofsystemstheorytoexploreinformationsecurity,specificallyincyber-physicalsystems.HehasastronginterestincybersecurityeducationandisinvolvedwiththeNSA/DHSCentersofAcademicExcellenceinCyberDefense(CAECD)andtheNISTNationalInitiativeforCybersecurityEducation(NICE)CybersecurityWorkforceFramework(NICEFramework).Hehascoauthoredsixsecuritybooksandnumerousacademicarticlesassociatedwithinformationsecurity.Heisco-chairofthesteeringcommitteefortheDHS-sponsoredIndustrialControlSystemsJointWorkingGroup(ICSJWG)effortsassociatedwithworkforcedevelopmentandcybersecurityaspectsofindustrialcontrolsystems.Hehasanextensivebackgroundinsecurecodingandhasbeenco-chairoftheDHS/DoDSoftwareAssuranceForumWorkingGroupforworkforceeducation,training,anddevelopment.Dr.GregoryWhitehasbeeninvolvedincomputerandnetworksecuritysince1986.Hespent19yearsonactivedutywiththeUnitedStatesAirForceand11yearsintheAirForceReservesinavarietyofcomputerandsecuritypositions.HeobtainedhisPhDincomputersciencefromTexasA&MUniversityin1995.Hisdissertationtopicwasintheareaofcomputernetworkintrusiondetection,andhecontinuestoconductresearchinthisareatoday.HeiscurrentlythedirectorfortheCenterforInfrastructureAssurance

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andSecurity(CIAS)andisaprofessorofcomputerscienceattheUniversityofTexasatSanAntonio(UTSA).Dr.Whitehaswrittenandpresentednumerousarticlesandconferencepapersonsecurity.Heisalsothecoauthorofsixtextbooksoncomputerandnetworksecurityandhaswrittenchaptersfortwoothersecuritybooks.Dr.Whitecontinuestobeactiveinsecurityresearch.Hiscurrentresearchinitiativesincludeeffortsincommunityincidentresponse,intrusiondetection,andsecureinformationsharing.ChuckCothren,CISSP,isManagerofDevelopmentOperationsatIonicSecurity,applyingover20yearsofinformationsecurityexperienceinconsulting,research,andenterpriseenvironments.Hehasassistedclientsinavarietyofindustries,includinghealthcare,banking,informationtechnology,retail,andmanufacturing.Headvisesclientsontopicssuchassecurityarchitecture,penetrationtesting,training,consultantmanagement,datalossprevention,andencryption.HeiscoauthorofthebooksVoiceandDataSecurityandPrinciplesofComputerSecurity.RogerL.Davis,CISSP,CISM,CISA,isaSeniorCustomerSuccessAccountManagerforMicrosoftsupportingenterprise-levelcompanies.HehasservedaspresidentoftheUtahchapteroftheInformationSystemsSecurityAssociation(ISSA)andvariousboardpositionsfortheUtahchapteroftheInformationSystemsAuditandControlAssociation(ISACA).HeisaretiredAirForcelieutenantcolonelwith40yearsofmilitaryandinformationsystems/securityexperience.Mr.DavisservedonthefacultyofBrighamYoungUniversityandtheAirForceInstituteofTechnology.HecoauthoredMcGraw-Hill’sPrinciplesofComputerSecurityandVoiceandDataSecurity.Heholdsamaster’sdegreeincomputersciencefromGeorgeWashingtonUniversity,abachelor’sdegreeincomputersciencefromBrighamYoungUniversity,andperformedpost-graduatestudiesinelectricalengineeringandcomputerscienceattheUniversityofColorado.DwayneWilliams,CISSP,CASP,isAssociateDirector,TechnologyandResearch,fortheCenterforInfrastructureAssuranceandSecurity(CIAS)attheUniversityofTexasatSanAntonioandisDirectoroftheNationalCollegiateCyberDefenseCompetition.Mr.Williamshasover24yearsofexperienceininformationsystemsandnetworksecurity.HisexperienceincludessixyearsofcommissionedmilitaryserviceasaCommunications-ComputerInformationSystemsOfficerintheUnitedStatesAirForce,specializinginnetworksecurity,corporateinformationprotection,intrusiondetectionsystems,incidentresponse,andVPNtechnology.Priortojoining

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theCIAS,heservedasDirectorofConsultingforSecureLogixCorporation,wherehedirectedandprovidedsecurityassessmentandintegrationservicestoFortune100,government,publicutility,oilandgas,financial,andtechnologyclients.Mr.Williamsgraduatedin1993fromBaylorUniversitywithaBachelorofArtsincomputerscience.Mr.WilliamsisacoauthorofVoiceandDataSecurityandPrinciplesofComputerSecurity.AbouttheTechnicalEditorChrisCrayton,MCSE,isanauthor,technicalconsultant,andtrainer.Hehasworkedasacomputertechnologyandnetworkinginstructor,informationsecuritydirector,networkadministrator,networkengineer,andPCspecialist.ChrishasauthoredseveralprintandonlinebooksonPCrepair,CompTIAA+,CompTIASecurity+,andMicrosoftWindows.Hehasalsoservedastechnicaleditorandcontentcontributoronnumeroustechnicaltitlesforseveraloftheleadingpublishingcompanies.Heholdsnumerousindustrycertifications,hasbeenrecognizedwithmanyprofessionalteachingawards,andhasservedasastate-levelSkillsUSAcompetitionjudge.

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CONTENTSATAGLANCEPartIThreats,Attacks,andVulnerabilitiesChapter1SocialEngineeringTechniquesChapter2TypeofAttackIndicatorsChapter3__ApplicationAttackIndicatorsChapter4NetworkAttackIndicatorsChapter5ThreatActors,Vectors,andIntelligenceSourcesChapter6VulnerabilitiesChapter7SecurityAssessmentsChapter8PenetrationTestingPartITArchitectureandDesignChapter9EnterpriseSecurityArchitectureChapter10_VirtualizationandCloudSecurityChapter11SecureApplicationDevelopment,Deployment,andAutomationConceptsChapter12AuthenticationandAuthorizationChapter13_CybersecurityResilienceChapter14EmbeddedandSpecializedSystemsChapter15_PhysicalSecurityControlsChapter16CryptographicConceptsPartITIImplementation

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Chapter17_SecureProtocolsChapter18HostandApplicationSecurityChapter19SecureNetworkDesignChapter20WirelessSecurityChapter21SecureMobileSolutionsChapter22ImplementingCloudSecurityChapter23_IdentityandAccountManagementControlsChapter24ImplementAuthenticationandAuthorizationChapter25_PublicKeyInfrastructurePartIV_OperationsandIncidentResponseChapter26_Tools/AssessOrganizationalSecurityChapter27IncidentResponsePolicies,Processes,andProceduresChapter28_InvestigationsChapter29MitigationTechniquesandControlsChapter30_DigitalForensicsPartV_Governance,Risk,andComplianceChapter31_SecurityControlsChapter32_Regulations,Standards,andFrameworksChapter33_OrganizationalPoliciesChapter34RiskManagementChapter35_PrivacyPartVIAppendixesandGlossaryAppendixAOSIModelandInternetProtocolsAppendixB_AbouttheOnlineContent

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GlossaryIndex

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CONTENTSPrefaceAcknowledgmentsIntroductionObjectiveMap:ExamSY0-601PartIThreats,Attacks,andVulnerabilitiesChapter1SocialEngineeringTechniquesSocialEngineeringMethodsToolsPhishingSmishingVishingSpamSpamoverInstantMessaging(SPIM)SpearPhishingDumpsterDivingShoulderSurfingPharmingTailgatingElicitingInformationWhalingPrependingIdentityFraudInvoiceScamsCredentialHarvestingReconnaissanceHoax

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ImpersonationThird-PartyAuthorizationContractors/OutsidePartiesOnlineAttacksDefensesWateringHoleAttackTyposquattingPretextingInfluenceCampaignsPrinciples(ReasonsforEffectiveness)AuthorityIntimidationConsensusScarcityFamiliarityTrustUrgencyDefensesChapterReviewQuestionsAnswersChapter2TypeofAttackIndicatorsMalwareRansomwareTrojansWormsPotentiallyUnwantedProgramsFilelessVirusesCommandandControlBotsCrypto-malwareLogicBombsSpywareKeyloggersRemote-AccessTrojans(RATS)

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RootkitBackdoorsPasswordAttacksSprayingDictionaryBruteForceRainbowTablesPlaintext/UnencryptedPhysicalAttacksMaliciousUniversalSerialBus(USB)CableMaliciousFlashDrivesCardCloningSkimmingAdversarialArtificialIntelligence(AI)TaintedTrainingDataforMachineLearning(ML)SecurityofMachineLearningAlgorithmsSupply-ChainAttacksCloud-Basedvs.On-PremisesAttacksCryptographicAttacksBirthdayCollisionDowngradeChapterReviewQuestionsAnswersChapter3__ApplicationAttackIndicatorsPrivilegeEscalationCross-SiteScriptingInjectionAttacksStructuredQueryLanguage(SQL)Dynamic-LinkLibrary(DLL)LightweightDirectoryAccessProtocol(LDAP)ExtensibleMarkupLanguage(XML)Pointer/ObjectDereferenceDirectoryTraversal

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BufferOverflowRaceConditionTimeofCheck/TimeofUseImproperErrorHandlingImproperInputHandlingReplayAttacksSessionReplayIntegerOverflowRequestForgeryServer-SideRequestForgeryCross-SiteRequestForgeryApplicationProgrammingInterface(API)AttacksResourceExhaustionMemoryLeakSecureSocketsLayer(SSL)StrippingDriverManipulationShimmingRefactoringPasstheHashChapterReviewQuestionsAnswersChapter4NetworkAttackIndicatorsWirelessEvilTwinRogueAccessPointBluesnarfingBluejackingDisassociationJammingRadioFrequencyIdentification(RFID)NearFieldCommunication(NFC)InitializationVector(IV)On-pathAttackLayer2Attacks

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AddressResolutionProtocol(ARP)PoisoningMediaAccessControl(MAC)FloodingMACCloningDomainNameSystem(DNS)DomainHijackingDNSPoisoningUniversalResourceLocator(URL)RedirectionDomainReputationDistributedDenial-of-Service(DDoS)NetworkApplicationOperationalTechnology(OT)MaliciousCodeandScriptExecutionPowerShellPythonBashMacrosVisualBasicforApplications(VBA)ChapterReviewQuestionsAnswersChapter5__ThreatActors,Vectors,andIntelligenceSourcesActorsandThreatsAdvancedPersistentThreats(APTs)InsiderThreatsStateActorsHacktivistsScriptKiddiesCriminalSyndicatesHackersShadowITCompetitorsAttributesofActorsInternal/ExternalLevelofSophistication/Capability

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Resources/FundingIntent/MotivationVectorsDirectAccessWirelessE-mailSupplyChainSocialMediaRemovableMediaCloudThreatIntelligenceSourcesOpenSourceIntelligence(OSINT)Closed/ProprietaryVulnerabilityDatabasesPublic/PrivateInformationSharingCentersDarkWebIndicatorsofCompromiseAutomatedIndicatorSharing(AIS)StructuredThreatInformationExpression(STIX)/TrustedAutomatedExchangeofIntelligenceInformation(TAXI)PredictiveAnalysisThreatMapsFile/CodeRepositoriesResearchSourcesVendorWebsitesVulnerabilityFeedsConferencesAcademicJournalsRequestsforComment(RFCs)LocalIndustryGroupsSocialMediaThreatFeedsAdversaryTactics,Techniques,andProcedures(TTPs)ChapterReview

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QuestionsAnswersChapter6__VulnerabilitiesCloud-basedvs.On-premisesVulnerabilitiesZeroDayWeakConfigurationsOpenPermissionsUnsecureRootAccountsErrorsWeakEncryptionUnsecureProtocolsDefaultSettingsOpenPortsandServicesThird-PartyRisksVendorManagementSupplyChainOutsourcedCodeDevelopmentDataStorageImproperorWeakPatchManagementFirmwareOperatingSystem(OS)ApplicationsLegacyPlatformsImpactsDataLossDataBreachesDataExfiltrationIdentityTheftFinancialReputationAvailabilityLossChapterReviewQuestionsAnswers

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Chapter7SecurityAssessmentsThreatHuntingIntelligenceFusionThreatFeedsAdvisoriesandBulletinsManeuverVulnerabilityScansFalsePositivesFalseNegativesLogReviewsCredentialedvs.Non-CredentialedIntrusivevs.Non-IntrusiveApplicationWebApplicationNetworkCommonVulnerabilitiesandExposures(CVE)/CommonVulnerabilityScoringSystem(CVSS)ConfigurationReviewSyslog/SecurityInformationandEventManagement(SIEM)ReviewReportsPacketCaptureDataInputsUserBehaviorAnalysisSentimentAnalysisSecurityMonitoringLogAggregationLogCollectorsSecurityOrchestration,Automation,andResponse(SOAR)ChapterReviewQuestionsAnswersChapter8PenetrationTestingPenetrationTestingKnownEnvironmentUnknownEnvironment

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PartiallyKnownEnvironmentRulesofEngagementLateralMovementPrivilegeEscalationPersistenceCleanupBugBountyPivotingPassiveandActiveReconnaissanceDronesWarFlyingWarDrivingFootprintingOSINTExerciseTypesRedTeamBlueTeamWhiteTeamPurpleTeamChapterReviewQuestionsAnswersPartITArchitectureandDesignChapter9EnterpriseSecurityArchitectureConfigurationManagementDiagramsBaselineConfigurationStandardNamingConventionsInternetProtocol(IP)SchemaDataSovereigntyDataProtectionDataLossPrevention(DLP)MaskingEncryption

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AtRestInTransit/MotionInProcessingTokenizationRightsManagementGeographicalConsiderationsResponseandRecoveryControlsSecureSocketsLayer(SSL)/TransportLayerSecurity(TLS)InspectionHashingAPIConsiderationsSiteResiliencyHotSitesWarmSitesColdSitesDeceptionandDisruptionHoneypotsHoneyfilesHoneynetsFakeTelemetryDNSSinkholeChapterReviewQuestionsAnswersChapter10_VirtualizationandCloudSecurityCloudModelsInfrastructureasaService(IaaS)PlatformasaService(PaaS)SoftwareasaService(SaaS)AnythingasaService(XaaS)LevelofControlintheHostingModelsPublicCommunityPrivateHybrid

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CloudServiceProvidersManagedServiceProvider(MSP)/ManagedSecurityServiceProvider(MSSP)On-Premisesvs.Off-PremisesFogComputingEdgeComputingThinClientContainersMicroservices/APIInfrastructureasCodeSoftware-DefinedNetworking(SDN)Software-DefinedVisibility(SDV)ServerlessArchitectureServicesIntegrationResourcePoliciesTransitGatewayVirtualizationTypelTypeIIVirtualMachine(VM)SprawlAvoidanceVMEscapeProtectionChapterReviewQuestionsAnswersChapter11SecureApplicationDevelopment,Deployment,andAutomationConceptsEnvironmentDevelopmentTestStagingProductionQualityAssurance(QA)ProvisioningandDeprovisioningIntegrityMeasurementSecureCodingTechniques

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NormalizationStoredProceduresObfuscation/CamouflageCodeReuseandDeadCodeServer-Sidevs.Client-SideExecutionandValidationMemoryManagementUseofThird-PartyLibrariesandSoftwareDevelopmentKits(SDKs)DataExposureOpenWebApplicationSecurityProject(OWASP)SoftwareDiversityCompilersBinariesAutomation/ScriptingAutomatedCoursesofActionContinuousMonitoringContinuousValidationContinuousIntegrationContinuousDeliveryContinuousDeploymentElasticityScalabilityVersionControlChapterReviewQuestionsAnswersChapter12AuthenticationandAuthorizationAuthenticationMethodsDirectoryServicesFederationAttestationTechnologiesSmartCardAuthenticationBiometricsFingerprint

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RetinaIrisFacialVoiceVeinGaitAnalysisEfficacyRatesFalseAcceptanceFalseRejectionCrossoverErrorRateMultifactorAuthentication(MFA)FactorsandAttributesFactorsAttributesAuthentication,Authorization,andAccounting(AAA)Cloudvs.On-premisesRequirementsChapterReviewQuestionsAnswersChapter13_CybersecurityResilienceRedundancyGeographicDispersalDiskNetworkPowerReplicationStorageAreaNetwork(SAN)VMOn-premisesvs.CloudBackupTypesFullIncrementalSnapshotDifferentialTapeDisk

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CopyNetworkAttachedStorage(NAS)StorageAreaNetwork(SAN)CloudImageOnlinevs.OfflineDistanceConsiderationsNonpersistenceReverttoKnownStateLastKnown-GoodConfigurationLiveBootMediaHighAvailabilityScalabilityRestorationOrderDiversityTechnologiesVendorsCryptoControlsChapterReviewQuestionsAnswersChapter14EmbeddedandSpecializedSystemsEmbeddedSystemsRaspberryPiFieldProgrammableGateArrays(FPGAs)ArduinoSupervisoryControlandDataAcquisition(SCADA)/IndustrialControlSystem(ICS)FacilitiesIndustrialManufacturingEnergyLogisticsInternetofThings(IoT)

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SensorsSmartDevicesWearablesFacilityAutomationWeakDefaultsSpecializedSystemsMedicalSystemsVehicleSystemsAircraftSystemsSmartMetersVoiceoverIP(VoIP)Heating,Ventilation,AirConditioning(HVAC)DronesMultifunctionPrinters(MEPs)Real-timeOperatingSystems(RTOSs)SurveillanceSystemsSystemonaChip(SoC)CommunicationConsiderations5GNarrow-BandRadioBasebandRadioSubscriberIdentityModule(SIM)CardsZigbeeConstraintsPowerComputeNetworkCryptographicFunctionsInabilitytoPatchAuthenticationRangeCostImpliedTrustChapterReviewQuestions

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AnswersChapter15_PhysicalSecurityControlsBollards/BarricadesAccessControlVestibulesBadgesAlarmsSignageCamerasMotionRecognitionObjectDetectionClosed-CircuitTelevision(CCTV)IndustrialCamouflagePersonnelGuardsRobotSentriesReceptionTwo-PersonIntegrity/ControlLocksBiometricsElectronicPhysicalCableLocksUSBDataBlockerLightingFencingFireSuppressionSensorsMotionDetectionNoiseDetectionProximityReaderMoistureDetectionCardsTemperatureDronesVisitorLogs

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