What users are saying about
48 Ratings
25 Ratings
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Score 8.9 out of 100
48 Ratings
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Score 8.8 out of 100

Feature Set Ratings

    Security Information and Event Management (SIEM)

    7.8

    AlienVault OSSIM

    78%

    Nessus

    Feature Set Not Supported
    N/A
    AlienVault OSSIM ranks higher in 13/13 features

    Centralized event and log data collection

    9.3
    93%
    10 Ratings
    N/A
    0 Ratings

    Correlation

    7.9
    79%
    11 Ratings
    N/A
    0 Ratings

    Event and log normalization/management

    8.3
    83%
    18 Ratings
    N/A
    0 Ratings

    Deployment flexibility

    8.6
    86%
    11 Ratings
    N/A
    0 Ratings

    Integration with Identity and Access Management Tools

    9.0
    90%
    6 Ratings
    N/A
    0 Ratings

    Custom dashboards and workspaces

    9.3
    93%
    16 Ratings
    N/A
    0 Ratings

    Host and network-based intrusion detection

    9.4
    94%
    9 Ratings
    N/A
    0 Ratings

    Data integration/API management

    5.4
    54%
    2 Ratings
    N/A
    0 Ratings

    Behavioral analytics and baselining

    5.7
    57%
    2 Ratings
    N/A
    0 Ratings

    Rules-based and algorithmic detection thresholds

    6.1
    61%
    3 Ratings
    N/A
    0 Ratings

    Response orchestration and automation

    7.4
    74%
    2 Ratings
    N/A
    0 Ratings

    Reporting and compliance management

    8.0
    80%
    4 Ratings
    N/A
    0 Ratings

    Incident indexing/searching

    7.3
    73%
    3 Ratings
    N/A
    0 Ratings

    Attribute Ratings

    • AlienVault OSSIM is rated higher in 2 areas: Likelihood to Recommend, Support Rating
    • Nessus is rated higher in 1 area: Usability

    Likelihood to Recommend

    9.0

    AlienVault OSSIM

    90%
    11 Ratings
    8.1

    Nessus

    81%
    6 Ratings

    Likelihood to Renew

    AlienVault OSSIM

    N/A
    0 Ratings
    9.1

    Nessus

    91%
    1 Rating

    Usability

    8.0

    AlienVault OSSIM

    80%
    1 Rating
    9.7

    Nessus

    97%
    2 Ratings

    Support Rating

    7.9

    AlienVault OSSIM

    79%
    6 Ratings
    6.8

    Nessus

    68%
    8 Ratings

    Likelihood to Recommend

    AlienVault OSSIM

    If this is your first experience with a SIEM, this one can get you started. Take the time to learn the ins and outs of the product and you'll most likely be satisfied with it if your company is an SMB. If you need compliance reports, OSSIM is too small for you, you'll need to go with USM or USM Anywhere.
    Ivan Montilla Miralles | TrustRadius Reviewer

    Nessus

    Nessus is perfectly suitable for performing comprehensive vulnerability assessment scans being a vulnerability scanner. It is less appropriate for performing penetration testing since it is not a penetration testing tool, it does not have the ability and modules to exploit the vulnerabilities of the system.
    Tejas Gandhi | TrustRadius Reviewer

    Pros

    AlienVault OSSIM

    • Asset discovery. Once installed in a centric, network-accessible server, OSSIM can poll all your endpoints with common protocols (SSH, SNMP, WMI) to detect and discover site-wide assets to monitor. You only need to group them by your own criteria once added to the product.
    • SIEM Event Correlation. You can define quite complex correlation rules to detect possible suspicious or malicious actions or attempts in your network, in order to categorize them as real threats or as false positives, thus streamlining your risk assessment and management.
    • Ease of installation. The entire AlienVault OSSIM is self-contained in an ISO file, which can be burned into a DVD or just mounted in your server of choice (physical or virtual) for deployment. The installation process is automated and quote verbosed, with options for static IP, email messaging and others.
    • Ease of access. Being AlienVault OSSIM a self-contained appliance, it can be accessed via web by any device that supports a web browser, being that desktops, workstation, mobile devices, etc. The OSSIM dashboard and other features are automatically rearranged to adapt to the particular device being in use.
    Jose Quintero | TrustRadius Reviewer

    Nessus

    • With Nessus we can find the missing critical patches for a server or workstations.
    • Nessus points out any vulnerable or outdated software Technologies used in the system, thus eliminating any chances for security flaws being turned up.
    • Nessus typically points any configuration level issues in accordance with the OWASP guidelines. Even the configuration of SSL related which are most of the time handled by some vendors or 3rd parties.
    • Nessus not only lists out these Vulnerabilities but describes clearly the vulnerabilities in details with its thousands of plugins updated regularly, the tool also recommends solution with practical details of easy implementation.
    Sohail Zende | TrustRadius Reviewer

    Cons

    AlienVault OSSIM

    • The reports are clunky and a bit tedious to parse through.
    • Sometimes there's so much noise it's hard to tell what a true positive is. There are lots of false ones that trigger alerts but are normal behavior in many environments.
    John Keenan | TrustRadius Reviewer

    Nessus

    • Could use an upgrade within reports.
    • Scans can take a long time to complete. Have to break them down in small sections.
    Anonymous | TrustRadius Reviewer

    Pricing Details

    AlienVault OSSIM

    General

    Free Trial
    Free/Freemium Version
    Premium Consulting/Integration Services
    Entry-level set up fee?
    No

    Starting Price

    AlienVault OSSIM Editions & Modules

    Additional Pricing Details

    Nessus

    General

    Free Trial
    Free/Freemium Version
    Premium Consulting/Integration Services
    Entry-level set up fee?
    No

    Starting Price

    $0

    Nessus Editions & Modules

    Edition
    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 + Advanced Support$9,151.00
    3 Years$7,951.00
    1. none
    Additional Pricing Details

    Likelihood to Renew

    AlienVault OSSIM

    No score
    No answers yet
    No answers on this topic

    Nessus

    Nessus 9.1
    Based on 1 answer
    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.
    Sohail Zende | TrustRadius Reviewer

    Usability

    AlienVault OSSIM

    AlienVault OSSIM 8.0
    Based on 1 answer
    AlienVault OSSIM is far easy to use and manage - provided you know what you're doing. As any SIEM application, there is some background knowledge required in order to take advantage of the product's functionalities, such as the log correlation and analysis. Other than that, the application is quite usable and robust.
    Jose Quintero | TrustRadius Reviewer

    Nessus

    Nessus 9.7
    Based on 2 answers
    It's very much a plug and play application that the user can go into with limited knowledge and set-up scans in minutes.
    Anonymous | TrustRadius Reviewer

    Support Rating

    AlienVault OSSIM

    AlienVault OSSIM 7.9
    Based on 6 answers
    AlienVault OSSIM support has been very good. I have not had an issue that they were not able to quickly identify and provide a fix for. They are very quick to respond to open cases and are very knowledgeable in the product, which makes troubleshooting issues fast and solutions are provided quickly.
    Laurie Keith | TrustRadius Reviewer

    Nessus

    Nessus 6.8
    Based on 8 answers
    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.
    Anonymous | TrustRadius Reviewer

    Alternatives Considered

    AlienVault OSSIM

    Originally my organization leveraged alien value due to the lower cost of entry and ability to manage it as a service provider. Unfortunately, after several years of working with this tool, it became unwieldy to use as it felt that almost every useful report had to be created by hand. As other tools have come out with the ability to do automated responses such as Stellar Data processor, we have begun to evaluate alternatives.
    Anonymous | TrustRadius Reviewer

    Nessus

    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.
    Omar Israel Sánchez Monroy | TrustRadius Reviewer

    Return on Investment

    AlienVault OSSIM

    • It's difficult to put a monetary value on security, but with proper monitoring and alerting, incidents will be easier to avoid.
    • Helps with your compliancy, as it automatically alerts you for critical events.
    • Collects logs in the cloud, so protected from local issues, like SAN failures.
    Anonymous | TrustRadius Reviewer

    Nessus

    • 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.
    Tejas Gandhi | TrustRadius Reviewer

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