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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Microsoft Defender for Business

    Score8.8 out of 10
    N/AMicrosoft Defender for Business is an enterprise-grade endpoint security that is designed especially for businesses with up to 300 employees. It is used to deploy security across devices, and use automated built-in intelligence to rapidly protect, detect, and respond to threats.N/A

    Tenable Nessus

    Score8.8 out of 10
    N/ATenable headquartered in Columbia offers Nessus, a vulnerability scanning and security assessment solution used to analyze an entity's security posture, vulnerability testing, and provide configuration assessments.

    $2,790

    Pricing
    Microsoft Defender for BusinessTenable Nessus
    Editions & Modules
    No answers on this topic
    1 Year
    $2,790.00
    1 Year + Advanced Support
    $3,190.00
    2 Years
    $5,440.00
    2 Years + Advanced Support
    $6,240.00
    3 Years
    $7,951.00
    3 Years + Advanced Support
    $9,151.00
    Offerings
    Pricing Offerings
    Microsoft Defender for BusinessTenable Nessus
    Free Trial
    YesNo
    Free/Freemium Version
    NoNo
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional Details
    More Pricing Information
    Community Pulse
    Microsoft Defender for BusinessTenable Nessus
    Considered Both Products
    Microsoft
    No answer on this topic
    Tenable
    No answer on this topic
    Key User Insights
    Would buy again
    No answers on this topic
    100%
    Would buy again
    8 Answers
    Delivers good value for the price
    No answers on this topic
    100%
    Delivers good value for the price
    8 Answers
    Happy with the feature set
    No answers on this topic
    100%
    Happy with the feature set
    8 Answers
    Lived up to sales and marketing promises
    No answers on this topic
    100%
    Lived up to sales and marketing promises
    8 Answers
    Implementation went as expected
    No answers on this topic
    100%
    Implementation went as expected
    7 Answers
    Features
    Microsoft Defender for BusinessTenable Nessus
    Endpoint Security
    Comparison of Endpoint Security features of Microsoft Defender for Business and Tenable Nessus
    Feature
    Microsoft Defender for Business
    8.3
    4 Ratings
    3% below category average
    Tenable Nessus
    -
    Ratings
    Anti-Exploit Technology8.83 Ratings00 Ratings
    Endpoint Detection and Response (EDR)8.64 Ratings00 Ratings
    Centralized Management8.04 Ratings00 Ratings
    Hybrid Deployment Support6.84 Ratings00 Ratings
    Infection Remediation8.34 Ratings00 Ratings
    Vulnerability Management8.64 Ratings00 Ratings
    Malware Detection9.24 Ratings00 Ratings
    Threat Intelligence
    Comparison of Threat Intelligence features of Microsoft Defender for Business and Tenable Nessus
    Feature
    Microsoft Defender for Business
    -
    Ratings
    Tenable Nessus
    6.3
    4 Ratings
    25% below category average
    Network Analytics00 Ratings1.02 Ratings
    Threat Recognition00 Ratings7.14 Ratings
    Vulnerability Classification00 Ratings9.53 Ratings
    Automated Alerts and Reporting00 Ratings10.03 Ratings
    Threat Analysis00 Ratings5.63 Ratings
    Threat Intelligence Reporting00 Ratings5.13 Ratings
    Automated Threat Identification00 Ratings5.63 Ratings
    Vulnerability Management Tools
    Comparison of Vulnerability Management Tools features of Microsoft Defender for Business and Tenable Nessus
    Feature
    Microsoft Defender for Business
    -
    Ratings
    Tenable Nessus
    7.5
    4 Ratings
    10% below category average
    IT Asset Realization00 Ratings7.03 Ratings
    Authentication00 Ratings7.63 Ratings
    Configuration Monitoring00 Ratings8.14 Ratings
    Web Scanning00 Ratings5.63 Ratings
    Vulnerability Intelligence00 Ratings9.34 Ratings
    Best Alternatives
    Microsoft Defender for BusinessTenable Nessus
    Small Businesses
    SentinelOne Singularity
    Score9 out of 10
    No answers on this topic
    Medium-sized Companies
    BlackBerry Protect (CylancePROTECT)
    Score9.1 out of 10
    Qualys TruRisk Platform
    Score6 out of 10
    Enterprises
    ESET PROTECT
    Score8.8 out of 10
    Tenable Vulnerability Management
    Score8.9 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Microsoft Defender for BusinessTenable Nessus
    Likelihood to Recommend
    8.6
    (4 ratings)
    9.0
    (9 ratings)
    Likelihood to Renew
    10.0
    (1 ratings)
    9.1
    (1 ratings)
    Usability
    8.0
    (4 ratings)
    8.0
    (5 ratings)
    Support Rating
    -
    (0 ratings)
    7.1
    (4 ratings)
    User Testimonials
    Microsoft Defender for BusinessTenable Nessus
    Likelihood to Recommend
    Microsoft
    Microsoft Defender for Business is well suited for small and medium businesses that are running on a smaller budget, with little to no IT department and require a quick and effective setup to manage and protect their endpoints. It can be deployed and managed very quickly, and the person doing it can have little to no experience as long as they follow directions.
    Incentivized
    Read full review
    Tenable
    It is an excellent tool for scanning servers, workstations, and network devices to identify missing patches and misconfiguration; we regularly use it to confirm patch effectiveness after the update; it also helps us for preparing audits such as iso 27001, and regulatory requirements, it also helps us to identify open ports and services that violate security.
    Read full review
    Pros
    Microsoft
    • Already integrated with Windows
    • Allows for folder and executable-specific exceptions when combined with Intune.
    • Incident response and analytics are fantastic.
    Incentivized
    Read full review
    Tenable
    • Nessus is best at performing vulnerability scans, in fact, it gives findings and moreover accurate findings of the assessments. It does not do penetration testing or exploit the vulnerabilities because it is concerned about scanning the systems/applications.
    • In fact, Nessus has multiple profiles/policies to perform different types of scans such as, scans oriented for PCI-DSS, malware scans, web application scans, bad shell shock detection scan to name a few.
    • Nessus has the ability to classify the vulnerabilities into risk-based categories from critical to even informational which I think is one of the things that separates Nessus from other vulnerability scanners.
    Incentivized
    Read full review
    Cons
    Microsoft
    • Confusion between the different Defender products
    • Ease of setup and configuration
    • Reporting and Alerts
    Incentivized
    Read full review
    Tenable
    • The tool has lots of options for setting up before scanning any device, this methodology could be simplified further with default configuration for various devices predefined, anyhow we can use this technique by making use of policies.
    • For advanced users we cannot disable the plugins inside the plugin groups, we can enable the whole set of plugins at a time, for few hundreds its ok, but thousands of plugins are of waste of resource and time.
    Incentivized
    Read full review
    Likelihood to Renew
    Microsoft
    So far we have found no alternative that would overall offer us more than we are getting from Microsoft Defender for Business!
    Incentivized
    Read full review
    Tenable
    Nessus is best and easy to use application for Vulnerabilities finding and reporting, it has multiple platforms and wide scope covering almost all devices for security improvement so far, thus we are very likely to continue its services.
    Incentivized
    Read full review
    Usability
    Microsoft
    Microsoft Defender for Business is a solid tool for smaller businesses looking to manage their endpoints and devices, while staying on budget. The setup is minimal compared to the full-blown InTune and EMS suite, and the product can be included in some Small Business SKUs that they may already have.
    Incentivized
    Read full review
    Tenable
    Tenable Nessus is a great product and provides a lot of value, but it is difficult to set up and use and the amount of data it generates can be overwhelming. It does help us prioritize based on the severity of the detection, however there are sometimes mitigating factors that we have implemented that Nessus does not account for, which causes lots of noise in the reports.
    Incentivized
    Read full review
    Support Rating
    Microsoft
    No answers on this topic
    Tenable
    I haven't needed to contact support yet. But issues are easily solved with a quick internet search which means support and by extension, the larger community are involved and knowledgeable.
    Incentivized
    Read full review
    Alternatives Considered
    Microsoft
    Microsoft Defender for Business has better reporting and incident response. There is limited client rollout due to being integrated with Windows. Microsoft Defender for Business is much better at identifying asset risks and giving a broad security overview. Because we moved to Microsoft 365 to access the Office applications and Exchange online, Microsoft Defender for Business was essentially cost free to us. Where Microsoft Defender for Business falls short in comparison to Sophos is that it requires integration with Intune to enforce many of the physical controls that Sophos offers in their client.
    Incentivized
    Read full review
    Tenable
    Sometimes when we identify a vulnerability with Nessus that has an exploit, we made a proof of concept with Metasploit in order to show to the IT managers the importance of the software/hardware hardening.
    Incentivized
    Read full review
    Return on Investment
    Microsoft
    • Improved cybersecurity
    • Learning curve
    • Resource consumption
    Incentivized
    Read full review
    Tenable
    • Nessus certainly has a positive impact while me while performing my job, either as security research, or performing vulnerability assessments for clients. It gives a lot of information about the system/application after performing scans. The number of false positives is also less compared to other vulnerability scanners.
    • The professional edition is very useful as policy templates available in this edition are very handy and useful even to perform compliance scan like PCI DSS scan.
    • Also, the ability to export the scan results into reports in formats like HTML, PDF is very useful which could be for performing system/application reviews.
    Incentivized
    Read full review
    ScreenShots