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Consider the following when deploying Tenable Security Center in an air-gapped (offline) environment. Architecture You must deploy a Tenable Security Center and a set of scanners within each air-gapped network. If you want to consolidate data from other networks with the data generated in your air-gapped network, you can use offline repositories to export data from your air-gapped Tenable Security Center to your other instance of Tenable Security Center. This supports both consolidated and federated reporting structures. Upgrades and Updates Tenable recommends performing Tenable Security Center upgrades at least once a year (quarterly preferred) and plugin/feed updates at least once a month. After you perform a plugin update, run comprehensive scans to take advantage of the new vulnerability data and generate current scan results. Note: A few plugins require internet access and cannot run in an air-gapped environment. For example, Tenable Nessus plugin 52669 checks to see if a host is part of a botnet. After you perform a plugin update or feed update, verify the files as described in the knowledge base article. To perform a Tenable Security Center upgrade or a plugin/feed update offline: Tip: You can use the API to automate some Tenable Security Center upgrade and plugin update process. Download the files in a browser or via the API. Verify the integrity of the files.Tenable Security Center upgrade: Compare the download checksum with the checksum on the Tenable downloads pagePlugin/feed update: Download and compare the checksums. Move the files to your Tenable Security Center instance. Upload the files to Tenable Security Center.Tenable Security Center upgrade: via the CLI.Plugin/feed update: in a browser or via the API. Tenable Nessus Agents If you deployed Tenable Nessus Manager to manage Tenable Nessus Agents in an air-gapped environment, perform an offline software update (nessus-agent-updates-X.X.X.tar.gz on the Tenable Downloads site) on your Tenable Nessus Manager. Tenable Nessus Manager pushes the update to the managed Tenable Nessus Agents. For more information, see the knowledge base article.

The Tenable One Exposure Management platform. Safely scan your entire online portfolio for vulnerabilities with a high degree of accuracy without heavy manual effort or disruption to critical web applications. Sign up now. Your Tenable Web App Scanning trial also includes Tenable Vulnerability Management. Buy Tenable Web App Scanning Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today. Request a demo of Tenable Security Center Please fill out this form with your contact information.A sales representative will contact you shortly to schedule a demo. * Field is required Request a demo of Tenable OT Security Get the Operational Technology security you need.Reduce the risk you don’t. Request a demo Don’t wait for an attack--eliminate risks before they’re exploited. Uncover hidden weaknesses Stop threats before they strike Simplify security Secure hybrid environments Request a demo of Tenable Cloud Security Exceptional unified cloud security awaits you! We’ll show you exactly how Tenable Cloud Security helps you deliver multi-cloud asset discovery, prioritized risk assessments and automated compliance/audit reports. See Tenable One in action Exposure management for the modern attack surface. See Tenable Attack Surface Management in action Know the exposure of every asset on any platform. Get a demo of Tenable Enclave Security Please fill out the form with your contact information and a sales representative will contact you shortly to schedule a demo. Thank You Thank you for your interest in Tenable Enclave Security. A representative will be in touch soon. Try Tenable Nessus Professional free Free for 7 daysTenable Nessus is the most comprehensive vulnerability scanner on the market today. NEW - Tenable Nessus Expert now available Nessus Expert adds even more features, including external attack surface scanning, and the ability to add domains and scan cloud infrastructure. Click here to Try Nessus Expert. Fill out the form below to continue with a Nessus Pro trial. Buy Tenable Nessus Professional Tenable Nessus is the most comprehensive vulnerability scanner on the market today. Tenable Nessus Professional will help automate the vulnerability scanning process, save time in your compliance cycles and allow you to engage your IT team. Buy a multi-year license and save. Add Advanced Support for access to phone, community and chat support 24 hours a day, 365 days a year. Try Tenable Nessus Expert free Free for 7 days.Built for the modern attack surface, Nessus Expert enables you to see more and protect your organization from vulnerabilities from IT to the cloud. Already have Tenable Nessus Professional? Upgrade to Nessus Expert free for 7 days. Buy Tenable Nessus Expert Built for the modern attack surface, Nessus Expert enables you to see more and protect your organization from vulnerabilities from IT to the cloud. Learn How Tenable Helps Achieve SLCGP Cybersecurity Plan Requirements Tenable solutions help fulfill all SLCGP requirements. Connect with a Tenable representative to learn more. Get a demo of Tenable Patch Management Interested in streamlining security and IT

Our latest web application scanning offering designed for modern applications as part of the Tenable One Exposure Management platform. Safely scan your entire online portfolio for vulnerabilities with a high degree of accuracy without heavy manual effort or disruption to critical web applications. Sign up now. Your Tenable Web App Scanning trial also includes Tenable Vulnerability Management. Buy Tenable Web App Scanning Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today. Request a demo of Tenable Security Center Please fill out this form with your contact information.A sales representative will contact you shortly to schedule a demo. * Field is required Request a demo of Tenable OT Security Get the Operational Technology security you need.Reduce the risk you don’t. Request a demo Don’t wait for an attack--eliminate risks before they’re exploited. Uncover hidden weaknesses Stop threats before they strike Simplify security Secure hybrid environments Request a demo of Tenable Cloud Security Exceptional unified cloud security awaits you! We’ll show you exactly how Tenable Cloud Security helps you deliver multi-cloud asset discovery, prioritized risk assessments and automated compliance/audit reports. See Tenable One in action Exposure management for the modern attack surface. See Tenable Attack Surface Management in action Know the exposure of every asset on any platform. Get a demo of Tenable Enclave Security Please fill out the form with your contact information and a sales representative will contact you shortly to schedule a demo. Thank You Thank you for your interest in Tenable Enclave Security. A representative will be in touch soon. Try Tenable Nessus Professional free Free for 7 daysTenable Nessus is the most comprehensive vulnerability scanner on the market today. NEW - Tenable Nessus Expert now available Nessus Expert adds even more features, including external attack surface scanning, and the ability to add domains and scan cloud infrastructure. Click here to Try Nessus Expert. Fill out the form below to continue with a Nessus Pro trial. Buy Tenable Nessus Professional Tenable Nessus is the most comprehensive vulnerability scanner on the market today. Tenable Nessus Professional will help automate the vulnerability scanning process, save time in your compliance cycles and allow you to engage your IT team. Buy a multi-year license and save. Add Advanced Support for access to phone, community and chat support 24 hours a day, 365 days a year. Try Tenable Nessus Expert free Free for 7 days.Built for the modern attack surface, Nessus Expert enables you to see more and protect your organization from vulnerabilities from IT to the cloud. Already have Tenable Nessus Professional? Upgrade to Nessus Expert free for 7 days. Buy Tenable Nessus Expert Built for the modern attack surface, Nessus Expert enables you to see more and protect your organization from vulnerabilities from IT to the cloud. Learn How Tenable Helps Achieve SLCGP Cybersecurity Plan Requirements Tenable solutions help fulfill all SLCGP requirements. Connect with a Tenable representative to learn more.