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Last updated on 2024年10月9日

How do you compare the features and benefits of different vulnerability scanning tools?

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Vulnerability scanning is a crucial process for any organization that wants to protect its network and data from cyberattacks. But how do you choose the right vulnerability scanning tool for your needs? There are many factors to consider, such as the type, scope, frequency, and accuracy of the scans, as well as the cost, usability, and compatibility of the tool. In this article, we will help you compare the features and benefits of different vulnerability scanning tools and give you some tips on how to make the best decision for your organization.

本文章的要点总结

Real-world testing:

Simulating actual network conditions helps evaluate the suitability of vulnerability scanning tools. This means running trial scans and monitoring how they perform, which can reveal a lot about their efficiency and effectiveness.
Comprehensive evaluation:

Assessing tools against specific criteria, like coverage, accuracy, integration, scalability, reporting capabilities, and support is key. Tailoring this to your unique needs ensures you find a tool that fits seamlessly into your operations.

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1 Types of scans

The first thing you need to know is what kind of scans you want to perform. There are two main types of vulnerability scanning: network scanning and web application scanning. Network scanning checks for vulnerabilities in your network devices, such as routers, firewalls, servers, and endpoints. Web application scanning checks for vulnerabilities in your web applications, such as SQL injection, cross-site scripting, and broken authentication. Depending on your network and web application architecture, you may need one or both types of scans. Some tools can perform both types of scans, while others are specialized for one or the other.

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Jason Saputo

Strategic Cybersecurity Leader | CISSP-ISSAP/ISSEP/ISSMP | CCSP | CSSLP | CGRC
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Another item to consider is the platform or operating system of the scan target. Some scanning tools are designed for a particular target such as Windows or *NIX, whereas other tools can accommodate both.

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Motiranjan Barik
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To compare vulnerability scanning tools, I’d evaluate their features based on key criteria: coverage, including network and application vulnerabilities; accuracy, assessing false positives and negatives; ease of integration with existing systems; and scalability for different environments. Consider the reporting capabilities and customization options, as well as the tool's performance impact. Additionally, review vendor support and update frequency. In my view, a thorough assessment involves testing tools in a real environment, consulting user reviews, and aligning their capabilities with specific organizational needs to determine the best fit.

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2 Scope of scans

The next thing you need to consider is the scope of your scans. How many devices and applications do you want to scan? How often do you want to scan them? How deep do you want to scan them? The scope of your scans will determine the amount of resources and time required for the scanning process, as well as the impact on your network and application performance. You should choose a tool that can handle the scope of your scans without compromising the quality or speed of the results. Some tools can scan large and complex networks and applications, while others are more suitable for smaller and simpler ones.

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Michael P. O'Hara

Security, GRC & INFR SME | Extensive work in Cyber, DR/BCP & Digital Transformation | Cyber advisory board member - US & Israel | Can be hands-on in multiple areas of IT.
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Scope should consider the various environments - DEV/QA/PREPROD/PROD. They all have similar needs with some fine-tuning around timing & intensity. Some companies will allow around-the-clock scans while other will forbid it to prevent interruption of DEV. And companies will permit the all-out "let's hammer everything except PROD" - which allows for uptime but can leave gaps, unless you've build PREPROD identically.

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Jason Saputo

Strategic Cybersecurity Leader | CISSP-ISSAP/ISSEP/ISSMP | CCSP | CSSLP | CGRC
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Automation helps tremendously with this area. Setting up an automated schedule can provide the ability to tailor the scan speed and depth based on the environment (dev, test, prod) and the time of day.

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3 Frequency of scans

The frequency of your scans is another important factor to consider. How regularly do you want to scan your network and applications? How quickly do you want to detect and fix new vulnerabilities? The frequency of your scans will depend on your security goals, compliance requirements, and risk tolerance. You should choose a tool that can scan your network and applications as often as you need, without causing too much disruption or overhead. Some tools can scan your network and applications continuously, while others can scan them on demand or on a schedule.

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Michael P. O'Hara

Security, GRC & INFR SME | Extensive work in Cyber, DR/BCP & Digital Transformation | Cyber advisory board member - US & Israel | Can be hands-on in multiple areas of IT.
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My take? It depends. 1. Are you aware of current lag in patching? 2. " " CVE/CWE gaps that exist? 3. How much is your stack attacked? 4. Have you done FAIR analyses to suss out potential impact in $$$? 5. Are you aware of the GRC obligations?

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4 Accuracy of scans

The accuracy of your scans is also a critical factor to consider. How reliable and comprehensive are the results of your scans? How many false positives and false negatives do they generate? The accuracy of your scans will affect your confidence and efficiency in managing your vulnerabilities. You should choose a tool that can scan your network and applications with high precision and coverage, without missing or misidentifying any vulnerabilities. Some tools can scan your network and applications with advanced techniques and intelligence, while others can scan them with basic methods and data.

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Ajay Upadhyay

Information Security Expert / Cyber Security Enthusiast CISSP, CISM, CRISC, CCSP, CEH, CISA
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It's important to consider several factors, including features, deployment options, pricing, and ease of use. Summary Table Feature Nessus Qualys Nexpose (InsightVM) OpenVAS Provider Tenable Qualys Rapid7 Greenbone Deployment On-prem/cloud Cloud On-prem/cloud On-prem/cloud Pricing Subscription Subscription Subscription Free (Open-source) Ease of Use User-friendly Complex for new users Intuitive Requires technical expertise Key Strengths Comprehensive scanning, frequent updates Continuous monitoring, scalability Dynamic VM with integration Free, extensive community

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5 Cost of scans

The cost of your scans is another factor to consider. How much do you want to spend on your vulnerability scanning tool? How much value do you get from it? The cost of your scans will depend on your budget, resources, and expectations. You should choose a tool that can scan your network and applications with reasonable and transparent pricing, without compromising the quality or security of the service. Some tools can scan your network and applications with affordable and flexible plans, while others can scan them with expensive and rigid contracts.

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6 Usability of scans

The usability of your scans is also a factor to consider. How easy and convenient is it to use your vulnerability scanning tool? How much control and customization do you have over it? The usability of your scans will affect your satisfaction and productivity in performing and managing your scans. You should choose a tool that can scan your network and applications with user-friendly and intuitive features, without sacrificing the functionality or performance of the tool. Some tools can scan your network and applications with simple and automated workflows, while others can scan them with complex and manual settings.

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7 Compatibility of scans

The compatibility of your scans is also a factor to consider. How well does your vulnerability scanning tool integrate with your network and application environment? How compatible is it with your other security tools and processes? The compatibility of your scans will affect your efficiency and effectiveness in securing your network and applications. You should choose a tool that can scan your network and applications with seamless and flexible integration, without causing any conflicts or issues with your existing systems and policies. Some tools can scan your network and applications with native and open formats, while others can scan them with proprietary and closed ones.

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8 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Michael P. O'Hara

Security, GRC & INFR SME | Extensive work in Cyber, DR/BCP & Digital Transformation | Cyber advisory board member - US & Israel | Can be hands-on in multiple areas of IT.
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How does your vuln scan program integrate with patch management? There are many vendors who offer excellent vuln scanning. A gap that a few vendors have closed is that between your scan results & applying patching within the same application. I see value in seamless integration between the two - without it you will have to do some serious pivot tables to match info up to be certain currency is being maintained.

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How do you compare the features and benefits of different vulnerability scanning tools?

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1 Types of scans

2 Scope of scans

3 Frequency of scans

4 Accuracy of scans

5 Cost of scans

6 Usability of scans

7 Compatibility of scans

8 Here’s what else to consider

Vulnerability Scanning

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