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Tenable Scan Strategy Guide

TenableScanStrategyTenableProfessionalSe rvicesLastRevised:April19,2022 TableofContentsIntroduction3 NetworkAssessment4 NetworkTopology5 ScanTargetIdentification7 CustomerRequirements9 TenableResourceAllocation10 ScanningMethodology11 ActiveScanScheduleOptions12 ScanPolicyConfiguration13 HostDiscovery14 VulnerabilityScan16 ExternalVulnerabilityScan17 ComplianceChecks18 ScanPolicySettings19 RelatedDocuments22 Copyright 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrade-marksofTenable, , ,Lumin,Indegy.

May 07, 2021 · Using the Advanced Network Scan policy for host discovery, you can configure the policy to meet your scanner’s hardware resources for speed, accuracy, and thoroughness, while also choosing only plugins that do not count against the license. Refer to Table 1 for individual Host Discovery plugins. Notable policy setting changes include: l

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Transcription of Tenable Scan Strategy Guide

1 TenableScanStrategyTenableProfessionalSe rvicesLastRevised:April19,2022 TableofContentsIntroduction3 NetworkAssessment4 NetworkTopology5 ScanTargetIdentification7 CustomerRequirements9 TenableResourceAllocation10 ScanningMethodology11 ActiveScanScheduleOptions12 ScanPolicyConfiguration13 HostDiscovery14 VulnerabilityScan16 ExternalVulnerabilityScan17 ComplianceChecks18 ScanPolicySettings19 RelatedDocuments22 Copyright 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrade-marksofTenable, , ,Lumin,Indegy.

2 Assure,andTheCyberExposureCompanyaretrad emarksofTenable, 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, recommendsdependsonseveralfactors:lNetwo rkTopologylScanTargetIdentificationlCust omerRequirementslTenableResourceAllocati onCopyright 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, (s) ,suchasaDMZ, , , (OT)( ,ICS/SCADA,orothersensitivenetworks) , ( )/ScanZones( )ExampleScannerGroups/ScanZones.

3 Copyright 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, <Site>or<DMZ>Zone(s) 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, ,suchasIPaddresses,ranges,subnets,DNSnam es, (Windows,Linux,macOS)lOStype,quantityofe ach,anduseofcredentials, (DB,vCenter,etc) (switch,router,firewall,etc).

4 LAddadditionalscannerslPoolscannersinaSc annerGroup/ScanZoneCopyright 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, , ,laptopslNessusAgentsscanslIfNessusAgent sarenotanoption,scantransientdevicesubne tswhenusersaremostlikelytobeonthenetwork , 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, ,HIPAA,NERCCIP, , , ,afterbusinesshours, , 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, , , , (maxnumberofcon-currentTCPsessionspersca n).

5 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, :Scheduledscanscanbesettoautomaticallyla unchdaily,weekly, : 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable.

6 LHostDiscoverylVulnerabilityScanninglExt ernalVulnerabilityScanlComplianceChecksC opyright 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, ,youcanconfigurethepolicytomeetyourscann er shardwareresourcesforspeed,accuracy,andt horoughness, :lAdvanced>Performance> :100lPortScanning>NetworkPortScannerslSY NlForspeed, , > :ThePortScannerspluginfamilyisnotlistedi ntheinterface.

7 (FQDN)GeneralCopyright 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, (SSH)Portscanners14272 NetstatPortscanner(WMI)Portscanners34220 NessusSNMPS cannerPortscanners34277 NessusUDPS cannerPortscannersCopyright 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, shardwareresourcesforspeed,accuracy, :lAdvanced>Performance> chunks.

8 Scandurationisincreased, > <software> 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, (internet-facing)hosts,externalfirewalls orotherboundaryprotectiondevicesmayblock thescan , >PingtheRemoteHostlDisableAdditionalnota blepolicysettingchangesinclude:lPortScan ning>Ports>Portscanrangel1-65535(orall) ,youwilldiscovermorepublic-facingservers thanbeforeandbecausetheexternalvulnerabi lityscanpolicyisreasonablyquick, >EnableAllCopyright 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, ,seethefollowingdocuments.

9 LNessusUserGuidelNessusComplianceChecksR eferencelNessusComplianceChecksPDFC opyright 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, ' >PerformanceNetworktimeout(inseconds) 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, >PortsPortscanrangedefaultdefault1-65535 FullPortScanpolicywillscanallportsinstea doftheSCdefaultlistof4, >Gen- > >Pro-cessingShowmissingpatchesthatenable enableenableShowsallrel-evantpatchesCopy right 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter.

10 SecurityCenterContinuousViewandLogCorrel ationEngineareregisteredtrademarksofTena ble, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, > > : 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable, 2022 Tenable , , ,TenableNetwork Security,Nessus,SecurityCenter,SecurityC enterContinuousViewandLogCorrelationEngi neareregisteredtrademarksofTenable, , ,Lumin,Indegy,Assure,andTheCyberExposure CompanyaretrademarksofTenable.


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