Nessus alternative

Author: t | 2025-04-24

Best Nessus Alternatives in 2025. Find the top alternatives to Nessus currently available. Compare ratings, reviews, pricing, and features of Nessus alternatives in 2025. Slashdot lists the best Nessus alternatives on the market that offer competing products that are similar to Nessus.

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Kali Linux, a Linux distribution designed specifically for penetration testing, comes prepackaged with many pen test tools. Nessus® provides a penetration tester with a wealth of capabilities that will assist in the engagement, such as:Identifying local and remote vulnerabilitiesConfiguration and compliance auditsChecking for default credentialsWeb application scanningNessus isn’t installed on Kali Linux by default, but this post will show you how to install Nessus and provide some suggestions for using it in a penetration testing engagement to gain a more complete understanding of your organization's security posture.Please Note: Because the Kali Linux installation of Nessus has been very popular over the past several years, the instructions in this blog were updated by Juan Vela on May 13, 2019, to reflect the latest version of Nessus. If you are interested in learning how to install Nessus version 5 on Kali Linux, please read our 2014 blog, Installing and Using Nessus on Kali Linux. Installing and configuring NessusPrior to downloading Nessus, ensure that your Kali Linux installation is up to date:apt update && apt upgradeStep 1: Purchase Nessus and obtain an Activation CodeNessus can be purchased directly from Tenable or through an authorized reseller.After purchasing Nessus, an Activation Code will be available on the Tenable Support Portal.Step 2: Download NessusNavigate to the Tenable Nessus downloads page and select the appropriate version for your installation of Kali Linux, either the 32-bit or 64-bit Debian package.Step 3: Install NessusUsing the command line, install the Nessus package. Once the installation completes, start the Nessus service:/etc/init.d/nessusd startIf you would like Nessus to start when Kali Linux boots, issue the command:update-rc.d nessusd enableAfter the Nessus service starts, use a web browser to navigate to the Nessus Web Interface at: 4: Configure and use NessusYou may see a warning about the SSL certificate not being configured appropriately. You can continue past this warning or consult the Nessus User Guide to properly set this up.To configure Nessus, follow the installation wizard. Create an administrator user account, activate with your activation code from the Tenable Support Portal and let Nessus fetch and process the plugins.Refer to the official Nessus documentation for any other questions or issues with installing Nessus.Using Nessus in a penetration testKali Linux tools complement your Nessus installation, with everything in one place for easy maintenance. Nessus reports on host discovery, vulnerability detection and exploitability. Here are some of the ways Nessus can be used to support penetration testing:Remediation prioritization and newsworthy vulnerabilitiesFinding Heartbleed, Shellshock or other newsworthy vulnerabilities may be important when assessing an organization’s security posture and reporting to the security leadership team.Detecting default credentialsUse credentials harvested from other phases of testing to perform credentialed patch audits, local (client-side) application vulnerability scanning and discovery of interesting configurations on targets.Hunting for web shellsA web server may already be compromised without the administrator even knowing about it. Nessus can help in the detection of compromised hosts.Modify a vulnerability’s severityIdentify low-severity vulnerabilities and allow an admin-level user to re-cast them as critical vulnerabilities. Modifying the severity of a vulnerability

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Access Ability to add domains External attack surface scanning 5 domains per quarter Compliance audits of cloud infrastructure 500 prebuilt policies Technical support Predict What Matters Industry's most comprehensive vulnerability coverage with real-time continuous network assessment. Try Now Buy Nessus Expert Now Predict What Matters Industry's most comprehensive vulnerability coverage with real-time continuous network assessment. Try Now Buy Nessus Professional Now Try Tenable Nessus Expert Free FREE FOR 7 DAYSBuilt 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. Try Tenable Nessus Professional Free FREE FOR 7 DAYSNessus® is the most comprehensive vulnerability scanner on the market today. Nessus Professional will help automate the vulnerability scanning process, save time in your compliance cycles and allow you to engage your IT team. Buy Tenable Nessus Professional Nessus® is the most comprehensive vulnerability scanner on the market today. 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. Nessus is #1 for Vulnerability Assessment Zero in on Threats that Matter Most. Market-leading coverage so that you know every vulnerability. Efficiency and Accuracy. Dynamically compiled plug-ins increase scan performance and efficiency. Ease of Use. Nessus is designed with an intuitive approach to navigation and user experience. Try for Free

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Compare Nessus with industry vulnerability assessment solutions Nessus® is the gold standard for vulnerability assessment. See how Nessus compares to OpenVAS®, Rapid7® Nexpose® and Greenbone. Try for free Buy now See why Nessus is trusted by tens of thousands of organizations worldwide. Since our inception, we've collaborated with the security community to make Nessus the most accurate and comprehensive vulnerability assessment solution. Even after 20 years, our focus remains on community collaboration and product innovation. Compare Nessus with other popular tools to see how it measures up. Learn more about Nessus Nessus Expert—Built for security professionals like you Get the world’s most widely deployed vulnerability assessment solution. Buy Nessus Expert Renew an existing license Find a reseller With Advanced Support for Nessus Pro, your teams will have access to phone, Community, and chat support 24 hours a day, 365 days a year. This advanced level of technical support helps to ensure faster response times and resolution to your questions and issues. Advanced Support Plan Features Phone Support Phone support 24 hours a day, 365 days a year, available for up to ten (10) named support contacts. Chat Support Chat support available to named support contacts, accessible via the Tenable Community is available 24 hours a day, 365 days a year. Tenable Community Support Portal All named support contacts can open support cases within the Tenable Community. Users can also access the Knowledge Base, documentation, license information, technical support numbers, etc.; utilize live chat, ask questions to the Community, and learn. Best Nessus Alternatives in 2025. Find the top alternatives to Nessus currently available. Compare ratings, reviews, pricing, and features of Nessus alternatives in 2025. Slashdot lists the best Nessus alternatives on the market that offer competing products that are similar to Nessus.

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To link your Tenable Nessus scanner during initial installation, see Configure Nessus. If you choose not to link the scanner during initial installation, you can link Tenable Nessus scanner later. You can link a Tenable Nessus scanner to a manager such as Tenable Nessus Manager or Tenable Vulnerability Management. Note: You cannot link to Tenable Security Center from the user interface after initial installation. If your scanner is already linked to Tenable Security Center, you can unlink and then link the scanner to Tenable Vulnerability Management or Tenable Nessus Manager, but you cannot relink to Tenable Security Center from the interface. To link a Tenable Nessus scanner to a manager: In the user interface of the manager you want to link to, copy the Linking Key, found on the following page:Tenable Vulnerability Management: Settings > Sensors > Linked Scanners > Add Nessus ScannerTenable Nessus Manager: Sensors > Linked ScannersNote: You can also retrieve your scanner linking key from the nessuscli. For more information, see nessuscli fix --secure --get scanner_linking_key in the nessuscli Fix Commands section. In the Tenable Nessus scanner you want to link, in the top navigation bar, click Settings. The About page appears. In the left navigation bar, click Remote Link.The Remote Link page appears. Fill out the linking settings for your manager as described in Remote Link. Click Save. Tenable Nessus links to the manager.

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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 collaboration and shortening the mean time to remediate with automation? Try Tenable Patch Management.

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The latest version of this script can be found in these locations depending on your platform:Linux / Unix:/opt/nessus/lib/nessus/plugins/vlc_0_8_6f.naslWindows:C:\ProgramData\Tenable\Nessus\nessus\plugins\vlc_0_8_6f.naslMac OS X:/Library/Nessus/run/lib/nessus/plugins/vlc_0_8_6f.naslGo back to menu.How to RunHere is how to run the VLC Media Player as a standalone plugin via the Nessus web user interface ( to start a New Scan.Select Advanced Scan.Navigate to the Plugins tab.On the top right corner click to Disable All plugins.On the left side table select Windows plugin family.On the right side table select VLC Media Player plugin ID 31853.Specify the target on the Settings tab and click to Save the scan.Run the scan.Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.Basic usage:/opt/nessus/bin/nasl vlc_0_8_6f.nasl -t Run the plugin with audit trail message on the console:/opt/nessus/bin/nasl -a vlc_0_8_6f.nasl -t Run the plugin with trace script execution written to the console (useful for debugging):/opt/nessus/bin/nasl -T - vlc_0_8_6f.nasl -t Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):/opt/nessus/bin/nasl -K /tmp/state vlc_0_8_6f.nasl -t Go back to menu.ReferencesBID | SecurityFocus Bugtraq ID: 27015, 28433CWE | Common Weakness Enumeration: CWE-119 (Weakness) Improper Restriction of Operations within the Bounds of a Memory BufferCWE-189 (Category) Numeric ErrorsSee also: and related Nessus plugins: 31949 - Debian DSA-1543-1 : vlc - several vulnerabilities31439 - GLSA-200803-13 : VLC: Multiple vulnerabilities32045 - GLSA-200804-25 : VLC: User-assisted execution of arbitrary code31642 - VLC Media Player network/httpd.c httpd_FileCallBack Function Connection Parameter Format String34730 - VLC Media Player 0.5.0 to 0.9.5 Stack-Based Buffer Overflows55024 - VLC 48906 - VLC Media Player 51772 - VLC Media Player 51851 - VLC Media Player 52976 - VLC Media Player 58416 - VLC Media Player 78626 - VLC Media Player 100592 - VLC

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The most accurate and complete vulnerability data — so you don't miss critical issues which could put your organization at risk. Today, Nessus is trusted by tens of thousands of organizations worldwide as one of the most widely deployed security technologies on the planet — and the gold standard for vulnerability assessment. See for yourself - explore the product here 246,000+ plugins 100+ new plugins released weekly Tenable’s Zero Day Research provides 24/7 updates into new and emergent vulnerabilities so you’ll always have full situational awareness. See what customers are saying about Tenable Nessus According to reviews on Gartner Peer Insights™ Explore the reviews Built by practitioners Nessus is built from the ground-up with a deep understanding of how security practitioners work. Every feature in Nessus is designed to make vulnerability assessment simple, easy and intuitive. The result: less time and effort to assess, prioritize and remediate issues. Learn more about the features here. Deploy on any platform You can deploy Nessus on a variety of platforms, including Raspberry Pi. Nessus is there with you, no matter where you are, where you’re headed or how distributed your environment is. Read the press release Efficiency and accuracy Our dynamically compiled plugins increase scan performance and efficiency, so you can complete the first scan quickly and improve time to value. Zero in on threats that matter most With market-leading coverage, Nessus knows every vulnerability. The power of Nessus lets you triage and address the threats that matter most. Pre-built policies and templates With more than 450 pre-configured templates, Nessus helps you quickly understand where you have vulnerabilities. Customizable reporting & troubleshooting Nessus helps you optimize reports to meet your needs. Plus, you can export them in formats that work for your security process. Live results Nessus Live Results automatically performs offline vulnerability assessments with every plugin update. You’ll see where your vulnerabilities are based on your scan history. Ease of use Nessus takes an intuitive approach to navigation and user experience. And with our resource center, you’ll be armed with actionable tips and guidance on the next steps to take. Grouped view Nessus groups similar issues and vulnerability categories together and presents them in one thread, which simplifies researching and prioritizing issues for remediation. Key use cases for Nessus Nessus is the world’s No. 1 vulnerability scanning solution. Learn how Tenable customers put it to work in a range of critical situations.. Best Nessus Alternatives in 2025. Find the top alternatives to Nessus currently available. Compare ratings, reviews, pricing, and features of Nessus alternatives in 2025. Slashdot lists the best Nessus alternatives on the market that offer competing products that are similar to Nessus. Some users think Nessus is a great Metasploit alternative, some don't. Nessus is the most popular Android iPhone alternative to Metasploit. Nessus is the most popular commercial alternative to Metasploit. Nessus is

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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 collaboration and shortening the mean time to remediate with automation? Try Tenable Patch Management.

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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 collaboration and shortening the mean time to remediate with automation? Try Tenable Patch Management.. Best Nessus Alternatives in 2025. Find the top alternatives to Nessus currently available. Compare ratings, reviews, pricing, and features of Nessus alternatives in 2025. Slashdot lists the best Nessus alternatives on the market that offer competing products that are similar to Nessus.

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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