A vulnerability management tool continuously finds the assets on your network and in your cloud, checks them for known security weaknesses (CVEs) and misconfigurations, ranks those weaknesses by real-world risk, and tracks them until they are fixed. Scanning finds the problems. Vulnerability management decides which ones to fix first and proves they were fixed.
The need is not shrinking. Tens of thousands of new CVEs are published every year, far more than any team can patch, so the tools now compete on prioritisation. They use exploit intelligence, threat feeds and business context to tell you which 2% of findings actually matter this week. Deployment matters too: some tools are cloud-only, while others can run entirely inside an isolated network.
Below we compare 12 vulnerability management tools on coverage, prioritisation, deployment options and published pricing, with a separate look at open-source options and scanning in offline environments.
Criterion | Weight | What we looked at |
Detection coverage | 30% | Networks, endpoints, cloud, containers, web apps; agent and agentless scanning |
Security and deployment options | 25% | Cloud, on-premise and air-gapped options; data residency |
Integrations | 15% | Patch tools, ITSM (ServiceNow, Jira), SIEM and SOAR |
Usability | 15% | Prioritisation clarity, dashboards, remediation workflows |
Pricing transparency | 15% | Whether pricing is published, and how it scales |
| Tool | Best for | Deployment | Scanning model | Works offline | Starting price (as published) |
| Tenable Vulnerability Management / Security Center | Broad enterprise coverage | Cloud, or on-premise (Security Center) | Agent, network scanner, agentless cloud | Yes (Security Center) | Quote; Nessus Professional $4,790 per year* |
| Qualys VMDR | Risk scoring with built-in patching | Cloud (regional platforms) | Agent and network scanner | Quote; 30-day free trial | |
| Rapid7 Exposure Command (InsightVM) | Combining internal scanning with attack surface view | Cloud console | Agent and network scanner | [VERIFY on-premise] | Quote |
| Microsoft Defender Vulnerability Management | Microsoft 365 E5 and Defender organisations | Cloud | Agent (Defender sensor) | No | Add-on $2 per user per month; standalone $3 |
| CrowdStrike Falcon Exposure Management | Falcon customers who want no scanners | Cloud | Agent (Falcon sensor) | No | Quote |
| Wiz | Cloud workloads | Cloud | Agentless cloud scanning | No | Quote |
| Orca Security | Cloud workloads without agents | Cloud | Agentless (SideScanning) | No | Quote |
| ManageEngine Vulnerability Manager Plus | Built-in patching at low cost | On-premise or cloud | Agent | Yes (on-premise) | Free edition; Professional from $695 per year |
| Greenbone OpenVAS | Open-source and air-gapped scanning | Self-hosted, appliance or cloud | Network scanner | Yes | Community Edition free |
| Intruder | Small teams and external scanning | Cloud | Network scanner plus agent | No | Free plan; paid by number of targets |
| Holm Security | European data sovereignty | Cloud with local scanners | Network scanner, agent, web | Quote | |
| SecPod Saner | Combined vulnerability and patch management | [VERIFY] | Agent | Quote; free trial |
Best for: large organisations that need broad coverage and a choice of cloud or on-premise deployment.
Tenable is the company behind Nessus, one of the most widely used vulnerability scanners. Tenable Vulnerability Management is its cloud platform. Tenable Security Center is the on-premise equivalent, which matters for government and regulated buyers who cannot send scan data to a vendor cloud. Both use Tenable’s Vulnerability Priority Rating to rank findings by likely exploitation, not just CVSS severity.
Key features
• Nessus scanners, agents and agentless cloud assessment
• Vulnerability Priority Rating for risk-based prioritisation
• On-premise option through Tenable Security Center
• Part of the wider Tenable One exposure management platform
Deployment: cloud (Tenable Vulnerability Management) or on-premise (Tenable Security Center).
Pricing: priced per asset, on request. Independent reviews list Nessus Professional at $4,790 per year and put Tenable Vulnerability Management at around $3,500 a year for 100 assets [VERIFY].
Pros
• Very broad plugin coverage
• One of the few major platforms with a full on-premise option
Cons
• Costs rise steeply with asset count
• The platform’s breadth takes time to configure well
Not for: small teams that only need occasional external scans.
Best for: organisations that want vulnerability detection and patching in one platform.
Qualys VMDR (Vulnerability Management, Detection and Response) combines asset inventory, vulnerability assessment, risk-based prioritisation and built-in patch deployment. Its TruRisk scoring uses threat intelligence from more than 25 sources and flags vulnerabilities exploited by ransomware, mapped to MITRE ATT&CK. Qualys runs regional platforms in the US, EU, UK, India, the UAE, Saudi Arabia, Canada and Australia, which helps with data residency.
Key features
• TruRisk scoring and ransomware-linked prioritisation
• Native patch scheduling and deployment
• Automatic ITSM ticketing (ServiceNow, Jira)
• Cloud agents and network scanners
Deployment: cloud, with a choice of regional platforms.
Pricing: on request; 30-day free trial.
Pros
• Detection and remediation in one workflow
• Wide choice of hosting regions
Cons
• Pricing is not published
• The module-based platform can become complex to license
Not for: buyers who need a fully offline deployment, unless Qualys confirms a private platform.
Best for: teams that want internal vulnerability scanning combined with an external attack surface view.
Rapid7’s InsightVM is now part of Exposure Command, Rapid7’s exposure management platform. The Essentials package combines InsightVM with attack surface management, and the Ultimate package adds cloud and application security. Rapid7 prioritises risk based on what attackers can actually reach, and brings vulnerability, cloud and application findings into one risk model with a remediation hub.
Key features
• InsightVM scanning engine with agents and scan engines
• Attack-based risk prioritisation
• Combined internal and external views in one console
• Remediation tracking and ITSM integrations
Deployment: cloud-based platform.
Pricing: on request. Existing InsightVM customers should check their migration path with Rapid7.
Pros
• Strong combined view of internal and external exposure
• Mature scanning engine
Cons
• Product packaging has changed recently, so check what you are buying
• No public pricing
Not for: teams that want a simple, standalone scanner.
Best for: organisations already licensed for Microsoft Defender for Endpoint Plan 2 or Microsoft 365 E5.
Core vulnerability management is already included in Defender for Endpoint Plan 2, Microsoft 365 E5 and Business Premium. That covers device inventory, vulnerability and configuration assessment, risk-based prioritisation and remediation tracking. The paid add-on adds security baseline checks against CIS and STIG benchmarks, blocking of vulnerable applications, browser extension and certificate assessment, and authenticated scanning of Windows devices without a sensor.
Key features
• Continuous assessment through the Defender sensor, with no separate scans
• CIS and STIG baseline assessment (add-on)
• Blocking of vulnerable application versions (add-on)
• Remediation requests linked to Intune
Deployment: cloud (Microsoft Defender portal).
Pricing: the add-on costs $2 per user per month (annual commitment). Standalone, for tenants without Plan 2, costs $3 per user per month, according to Microsoft list prices reported in October 2026.
Pros
• Little or no extra cost for Microsoft E5 customers
• No scanners to deploy or maintain
Cons
• Strongest on Windows and Microsoft-managed devices
• Network devices and non-Microsoft estates need other tools
Not for: mixed or air-gapped environments.
Best for: CrowdStrike Falcon customers who want vulnerability management without network scanners.
Falcon Exposure Management runs continuous, scanless vulnerability assessment through the same Falcon agent used for endpoint protection. It covers software CVEs, misconfigurations and end-of-support software on Windows, macOS and Linux. Its ExPRT.AI model rates vulnerabilities using CrowdStrike’s exploit intelligence and real-world detections, and attack path mapping shows how an attacker could move from a weak host towards critical assets.
Key features
• Scanless assessment via the Falcon sensor
• ExPRT.AI threat-based prioritisation
• Active and passive asset discovery, including unmanaged devices
• Attack path visualisation across endpoint, cloud and identity
Deployment: cloud (Falcon platform), with no scanning appliances.
Pricing: on request.
Pros
• No scan windows or network load
• Prioritisation based on real adversary activity
Cons
• Value depends on having Falcon deployed widely
• Agentless devices such as network gear need extra coverage
Not for: organisations without CrowdStrike.
Best for: organisations whose main exposure sits in AWS, Azure, Google Cloud and Kubernetes.
Wiz scans cloud workloads, containers and configurations without agents, and maps how vulnerabilities, exposed secrets, identities and network paths combine into real attack
paths. Google completed its acquisition of Wiz in March 2026, and Wiz is now part of Google Cloud.
Key features
• Agentless scanning of virtual machines, containers and serverless
• Security graph linking vulnerabilities to exposure and identity risk
• Coverage across the major public clouds
• Code-to-cloud tracing
Deployment: cloud.
Pricing: on request.
Pros
• Very fast time to value in cloud estates
• Excellent context for prioritisation
Cons
• Not designed for on-premise networks
• Watch the product roadmap after the Google acquisition if you run multiple clouds
Not for: traditional data centres and OT networks.
Best for: agentless cloud vulnerability management with reachability analysis.
Orca’s patented SideScanning reads cloud workload data through provider APIs, without deploying agents or sending packets into your environment. It finds vulnerabilities in operating systems, packages and libraries, and then checks whether each one is reachable in production by looking at network exposure, running processes and privileges. An optional sensor adds runtime protection.
Key features
• Agentless SideScanning for AWS, Azure and Google Cloud
• Reachability-based prioritisation
• AI assistant for triage
• Optional runtime sensor
Deployment: cloud.
Pricing: on request, based on workload count.
Pros
• Full coverage with no agent roll-out
• Cuts noise by focusing on reachable vulnerabilities
Cons
• Cloud only
• No published pricing
Not for: on-premise infrastructure.
Best for: small and mid-size IT teams that want scanning and patching at a low price.
Vulnerability Manager Plus combines vulnerability assessment, configuration and security baseline checks, web server hardening and built-in patch deployment. Unusually for this category, both paid editions are available either on-premise or in the cloud.
Key features
• Vulnerability and misconfiguration assessment
• Built-in patch management
• Zero-day mitigation scripts
• On-premise or cloud deployment
Deployment: on-premise or cloud.
Pricing: free edition available. Professional costs from $695 a year on-premise ($895 cloud) and Enterprise from $1,195 on-premise ($1,545 cloud), each covering 100 workstations and one technician, according to ManageEngine.
Pros
• Low published pricing
• Patching built in
Cons
• Less depth for network devices and cloud workloads
• The interface is functional rather than modern
Not for: very large, cloud-heavy estates.
Best for: open-source scanning and fully air-gapped networks.
OpenVAS is the best-known open-source vulnerability scanner, developed by Greenbone in Germany. The free Community Edition is self-installed, with a community feed of vulnerability tests. Greenbone’s commercial appliances (OpenVAS Scan, in hardware or virtual form) add the Enterprise Feed, with tests for enterprise products, IoT and OT, plus CIS compliance checks and support. Greenbone also offers a cloud service.
Key features
• Open-source scanning engine
• Enterprise Feed with broader coverage (commercial)
• Master and sensor appliances for multi-site networks
• Air-gap deployment with feed updates by USB or FTP
Deployment: self-hosted, appliance or cloud service.
Pricing: Community Edition is free; appliances and the cloud service are quoted.
Pros
• Free entry point
• One of the clearest air-gap options on the market
Cons
• The Community Edition needs hands-on administration
• The Community feed has narrower coverage than the Enterprise feed
Not for: teams that want a polished SaaS experience.
Best for: small and mid-size teams that want simple, continuous external and internal scanning.
Intruder is a cloud-based scanner that uses the Tenable Nessus engine alongside its own checks, with an interface built for teams without dedicated security staff. It monitors internet-facing systems continuously, scans internal devices through an agent, and covers web apps, cloud accounts and container images.
Key features
• Continuous external monitoring and emerging-threat scans
• Internal scanning through an agent
• Web application and cloud account coverage
• Clear, prioritised reporting
Deployment: cloud.
Pricing: free plan for small use, then a base fee plus a fee per target, with 20% off for annual billing and a 14-day trial on paid plans.
Pros
• Very easy to use
• Transparent, target-based pricing
Cons
• Lighter for large internal networks
• Cloud-only
Not for: large enterprises with complex internal estates.
Best for: European organisations that want data to stay in Europe.
Holm Security positions itself as a data-sovereign European alternative to the US platforms. One platform covers systems and networks (including OT, IoT and Kubernetes), web applications, APIs and cloud posture, and also includes phishing simulation and awareness training.
Key features
• Network, web application and API scanning
• Cloud posture checks for Azure, Microsoft 365, AWS, Google Cloud and Oracle Cloud
• Attack surface management
• Phishing simulation and awareness training
Deployment: cloud platform with scanners in your network; Holm says data need not leave Europe.
Pricing: on request ; free trial.
Pros
• European data handling
• Unusually wide scope in one platform
Cons
• Smaller ecosystem than the US leaders
• No public pricing
Not for: buyers who want a single specialist scanner.
Best for: teams that want vulnerability, configuration and patch management in one agent.
SecPod’s Saner continuously detects, prioritises and fixes vulnerabilities, misconfigurations and posture problems across endpoints, servers, cloud and containers, with patch management built in. It integrates with SIEM, ITSM and CMDB tools and is also offered as a managed service through partners.
Key features
• Vulnerability and misconfiguration detection
• Built-in patching and automated remediation
• Benchmarks for frameworks such as CIS, STIG and PCI DSS
• Single console for endpoints, cloud and containers
Deployment: [cloud and on-premise options].
Pricing: on request; free trial.
Pros
• Detection and remediation in one tool
• Good value for mid-size estates
Cons
• Smaller brand than the market leaders
• Confirm deployment options for your environment
Not for: buyers who want a separate best-of-breed scanner.
| Tool | What it does | Watch out for |
| Greenbone OpenVAS Community Edition | Full network vulnerability scanner | Manual updates, community feed only |
| Trivy | Scans container images, file systems and infrastructure-as-code | Not a network scanner |
| Grype | Container and file system vulnerability scanning | Pairs with Syft for software inventories |
| DefectDojo | Collects and tracks findings from many scanners | Manages findings, does not scan |
| Nuclei | Template-based scanning for web and network issues | Needs tuning to avoid noise |
Open-source tools can give you strong coverage at zero licence cost, but you are responsible for keeping feeds current, managing false positives and building the reporting that auditors expect.
Vulnerability scanning is a point-in-time check that lists weaknesses on a set of systems. Vulnerability management is the continuous programme around it: asset discovery, regular assessment, prioritisation, assigning fixes to owners, verifying the fix and reporting progress. A scanner is one component. Without the process, scans produce long reports that nobody acts on.
Good prioritisation now combines three signals:
• Severity: the CVSS score (FIRST published CVSS v4.0 in 2023).
• Likelihood: the EPSS probability that a vulnerability will be exploited in the next 30 days.
• Evidence: whether it appears in CISA’s Known Exploited Vulnerabilities (KEV) catalog, which lists vulnerabilities already used in real attacks.
Classified, industrial and critical-infrastructure networks often cannot reach the internet. Most modern platforms are cloud-only, which leaves a shorter list:
1. Tenable Security Center, with on-premise management of Nessus scanners.
2. Greenbone appliances, which support air-gapped deployment, with feed updates by USB or FTP.
3. ManageEngine Vulnerability Manager Plus, on-premise edition.
4. Open-source tools such as OpenVAS Community Edition and Trivy, if you can bring updates in offline.
Plan how vulnerability feeds will cross the air gap, how often, and who signs off each transfer. A scanner with a feed that is three months old will miss the vulnerabilities attackers are using now.
When a critical vulnerability is being exploited in your environment, your response team has to coordinate quickly. That is exactly the moment when the usual channels may not be safe. If the affected systems include your email server, identity provider or collaboration platform, attackers may be able to read the very messages in which you plan your response. NIST’s incident response guidance recommends planning alternative communication methods for this reason (NIST SP 800-61 Rev. 3).
An out-of-band channel is a communication system that does not depend on the infrastructure under attack. Many security teams use a self-hosted messaging platform for this, such as Troop Messenger deployed on your own servers, isolated from the main corporate identity and email stack. The response team can share findings, files and calls there, knowing the conversation is not passing through systems that may be compromised.
1. Map your estate: on-premise networks, endpoints, cloud, containers and OT. Few tools cover all of them equally well.
2. Decide where scan data may live: cloud, a specific region, or only inside your network.
3. Test prioritisation, not just detection. Ask each vendor to show which ten findings it would fix first in your trial, and why.
4. Check agent coverage against your operating systems and device types.
5. Confirm remediation integrations with your patch tool and ITSM platform.
6. Plan for offline updates if any network segment is isolated.
7. Count assets the vendor’s way. Assets, targets, users and workstations are priced differently.
8. Run a 30-day trial on a representative segment and measure the false-positive rate.
Widely used leaders include Tenable, Qualys VMDR, Rapid7 Exposure Command (InsightVM), Microsoft Defender Vulnerability Management and CrowdStrike Falcon Exposure Management. For cloud-heavy estates, Wiz and Orca Security are strong choices, and Greenbone OpenVAS leads among open-source options. The right choice depends on your environment and deployment needs.
Vulnerability tools find security weaknesses in software, systems and configurations. They include network scanners, agent-based assessment tools, web application scanners, container and cloud scanners, and management platforms that prioritise findings and track remediation. Most organisations use several of these together.
In IT security, vulnerabilities are commonly grouped into four types: software flaws (bugs and unpatched CVEs), misconfigurations (weak settings and open services), process weaknesses (poor patching or access reviews) and human weaknesses (susceptibility to phishing or social engineering). Vulnerability management tools mainly address the first two.
Vulnerability scanning is a single assessment that lists weaknesses on systems at one point in time. Vulnerability management is the ongoing programme around scanning: discovering assets, prioritising findings by risk, assigning and verifying fixes, and reporting progress. Scanning is one step inside vulnerability management.
Yes. Greenbone OpenVAS Community Edition is a free, open-source network scanner, and tools such as Trivy and Grype scan containers at no cost. Several commercial products also have free tiers, including ManageEngine Vulnerability Manager Plus and Intruder. Free tools usually need more manual effort to run and report on.
