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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Microsoft Sentinel

    Score8.6 out of 10
    N/AMicrosoft Sentinel (formerly Azure Sentinel) is designed as a birds-eye view across the enterprise. It is presented as a security information and event management (SIEM) solution for proactive threat detection, investigation, and response.

    $2.46

    per GB ingested

    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 SentinelTenable Nessus
    Editions & Modules
    Azure Sentinel
    $2.46
    per GB ingested
    100 GB per day
    $123.00
    per day
    200 GB per day
    $221.40
    per day
    300 GB per day
    $319.80
    per day
    400 GB per day
    $410.00
    per day
    500 GB per day
    $492.00
    per day
    More than 500 GB per day
    $492.00 + $98.40
    per day/plus each additional 100 GB increment
    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 SentinelTenable 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 SentinelTenable Nessus
    Considered Both Products
    Microsoft
    No answer on this topic
    Tenable
    No answer on this topic
    Key User Insights
    Would buy again
    99%
    Would buy again
    73 Answers
    100%
    Would buy again
    8 Answers
    Delivers good value for the price
    94%
    Delivers good value for the price
    59 Answers
    100%
    Delivers good value for the price
    8 Answers
    Happy with the feature set
    96%
    Happy with the feature set
    71 Answers
    100%
    Happy with the feature set
    8 Answers
    Lived up to sales and marketing promises
    93%
    Lived up to sales and marketing promises
    52 Answers
    100%
    Lived up to sales and marketing promises
    8 Answers
    Implementation went as expected
    97%
    Implementation went as expected
    66 Answers
    100%
    Implementation went as expected
    7 Answers
    Features
    Microsoft SentinelTenable Nessus
    Security Information and Event Management (SIEM)
    Comparison of Security Information and Event Management (SIEM) features of Microsoft Sentinel and Tenable Nessus
    Feature
    Microsoft Sentinel
    8.5
    34 Ratings
    7% above category average
    Tenable Nessus
    -
    Ratings
    Centralized event and log data collection9.134 Ratings00 Ratings
    Correlation8.835 Ratings00 Ratings
    Event and log normalization/management8.435 Ratings00 Ratings
    Deployment flexibility8.333 Ratings00 Ratings
    Integration with Identity and Access Management Tools8.933 Ratings00 Ratings
    Custom dashboards and workspaces8.435 Ratings00 Ratings
    Host and network-based intrusion detection8.030 Ratings00 Ratings
    Data integration/API management8.433 Ratings00 Ratings
    Behavioral analytics and baselining9.031 Ratings00 Ratings
    Rules-based and algorithmic detection thresholds8.733 Ratings00 Ratings
    Response orchestration and automation8.232 Ratings00 Ratings
    Reporting and compliance management7.35 Ratings00 Ratings
    Incident indexing/searching8.733 Ratings00 Ratings
    Threat Intelligence
    Comparison of Threat Intelligence features of Microsoft Sentinel and Tenable Nessus
    Feature
    Microsoft Sentinel
    -
    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 Sentinel and Tenable Nessus
    Feature
    Microsoft Sentinel
    -
    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 SentinelTenable Nessus
    Small Businesses
    No answers on this topic
    No answers on this topic
    Medium-sized Companies
    IBM Security QRadar SIEM
    Score8.9 out of 10
    Qualys TruRisk Platform
    Score6 out of 10
    Enterprises
    SolarWinds Security Event Manager (SEM)
    Score8 out of 10
    Tenable Vulnerability Management
    Score8.9 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Microsoft SentinelTenable Nessus
    Likelihood to Recommend
    8.5
    (74 ratings)
    9.0
    (9 ratings)
    Likelihood to Renew
    6.5
    (2 ratings)
    9.1
    (1 ratings)
    Usability
    8.2
    (27 ratings)
    8.0
    (5 ratings)
    Support Rating
    8.0
    (3 ratings)
    7.1
    (4 ratings)
    Professional Services
    5.0
    (1 ratings)
    -
    (0 ratings)
    User Testimonials
    Microsoft SentinelTenable Nessus
    Likelihood to Recommend
    Microsoft
    What has really impressed me is how Microsoft Sentinel delivers centralised security monitoring across multiple data sources in our enterprise. It has reduced cost of handling large security logs by collecting and analyzing data without friction of managing traditional SIEM infrastructure. It is easy to work to integrate with Azure logs for quick data analysis.
    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
    • The visual presentation of data is terrific, so including what we had prior to Microsoft Sentinel, it presents data in a much more usable way, so that's been quite refreshing. It's not quite as complex to understand what you're looking at.
    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
    • One feature that I would like to see improved is probably the log parsing. I think one of the big things that Splunk does better than Microsoft Sentinel is that it makes it easy to bring in new log streams of arbitrary formats and parse them out into columns and tables. Microsoft Sentinel is a lot more involved, though. It takes a lot more manual work to bring in different log sources and parse them out.
    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
    it does the job reasonably well
    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
    Mirosoft sentinel is easy to use once the inital setup is completed.The dashboard and centralized alerts make it simple to monitor security events and investigate incidents.Integration with other microsoft security tool is also helpful.Some advanced features and configurations can take time to understand, but overall it provides good, user-friendly security monitoring.
    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
    Microsoft support is one of the highest rated on the market. It has global and multilingual support. Calls can be made over the phone and the solution is virtually instantaneous with the help of Microsoft engineers. It's great!
    Incentivized
    Read full review
    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
    Compared to platforms such as Splunk, LogRhythm, and Devo, Microsoft Sentinel’s cloud‑native, consumption‑based pricing model and reduced infrastructure overhead tend to offer better overall cost efficiency. This is especially true for organizations already invested in the Microsoft ecosystem, where Sentinel can deliver strong capabilities with a lower total cost of ownership.
    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
    Professional Services
    Microsoft
    Did not use professional services
    Incentivized
    Read full review
    Tenable
    No answers on this topic
    Return on Investment
    Microsoft
    • It's probably neutral. We see value, but it's, again, tick that kind of expense stuff. We're getting more insight and value into what is going on in that cloud workspace, but just noting the cost. So it's probably neutral. I'm not directly responsible, so the full kind of return on investment kind of cycle, that's someone else's problem. I'm like the end user. It's my team that will look at the data and look at the output of Microsoft Sentinel. So the ROI, someone else can worry about that.
    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

    Microsoft Sentinel Screenshots

    Product screenshotProduct screenshotScreenshot of Microsoft Sentinel Capabilities