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Rapid7 InsightIDR vs Splunk Enterprise Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 6, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Rapid7 InsightIDR
Ranking in Security Information and Event Management (SIEM)
13th
Average Rating
8.4
Reviews Sentiment
7.4
Number of Reviews
32
Ranking in other categories
User Entity Behavior Analytics (UEBA) (3rd), Endpoint Detection and Response (EDR) (24th), Threat Deception Platforms (5th), Extended Detection and Response (XDR) (15th)
Splunk Enterprise Security
Ranking in Security Information and Event Management (SIEM)
1st
Average Rating
8.4
Reviews Sentiment
7.6
Number of Reviews
308
Ranking in other categories
Log Management (2nd), IT Operations Analytics (1st)
 

Mindshare comparison

As of May 2025, in the Security Information and Event Management (SIEM) category, the mindshare of Rapid7 InsightIDR is 2.5%, down from 2.7% compared to the previous year. The mindshare of Splunk Enterprise Security is 9.5%, down from 12.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM)
 

Q&A Highlights

Navin Rehnius - PeerSpot reviewer
Aug 10, 2021
 

Featured Reviews

Asim Naeem - PeerSpot reviewer
Providing comprehensive insight into alerts while working towards AI enhancement
I definitely recommend Rapid7 InsightIDR. It is becoming better, with improvements being continuously made to the product. Right now, I do not have any advice about Rapid7 for other users because every organization or user has different criteria or multiple use cases, so I refrain from commenting on that. I rate the overall solution seven out of ten.
ROBERT-CHRISTIAN - PeerSpot reviewer
Has many predefined correlation rules and is brilliant for investigation and log analysis
It is very complicated to write your own correlation rules without the help of Splunk support. What Splunk could do better is to create an API to the standard SIEM tools, such as Microsoft Sentinel. The idea would be to make it less painful. In ELK Stack, Kibana is the query language with which you can search log files. I believe Splunk has also a query language in which they search their log files, but once you have identified the log file that you want to use for further security correlation, you want to very quickly transport that into your SIEM tool, such as Microsoft Sentinel. That is something that Splunk could make a little bit less painful because it is a lot of effort to find that log file and forward it. An API with Microsoft Sentinel or a similar SIEM tool would be a good idea.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The web interface is great — very useful and user-friendly."
"The alerting to drive investigations and remediation has been its most valuable feature.​"
"The solution is very stable and works very well for what I need it to do."
"The log aggregation and storage provided by InsightIDR has shown no issues with scalability; aggregating over one hundred millions events daily."
"I am able to run automated actions based on the output of reports, leaving me extra time to focus on more pressing matters."
"Enables the use of honey pots, honey users, and honey files to monitor for suspicious patterns."
"The platform offers unlimited storage and agent-based solutions."
"InsightIDR’s ability to process millions of transactions per day, and to notify me of the most critical ones, is priceless. InsightIDR has the alerts tuned, and has the ability to quickly drill down to determine the threat level."
"Search language is easy to understand and teach to new users."
"The breadth of the data sources that Splunk can ingest data from is broad and deep and it does an exemplary job at handling structured data."
"We are much faster finding and addressing issues with Splunk."
"It helped us consolidate all our solutions into an easy tool to use for various employees."
"The solution's most valuable feature is threat intelligence correlations."
"Support is quick and competent."
"I very much enjoy Splunk's robust search nature, which enables me to find the data I want within the data I have."
"The most valuable features of Splunk Enterprise Security are the enterprise search bar and the dashboards."
 

Cons

"The searching feature in Rapid7 InsightIDR needs to evolve"
"One of the things that could be better is digital forensics. It is there, but it can be better. They could provide more on the endpoint detection level."
"I would like to see more development in InsightIDR towards building their SIEM solution and converting it to XDR."
"The solution's XDR agents cannot compete with the XDR solutions out there yet."
"Currently, it lacks the functionalities provided by Rapid7's User Behavior Analytics (UBA)."
"Rapid7 InsightIDR is not intuitive to search for logs. It should be more user-friendly and improve the dashboards. We should be able to use ready-made templates instead of having to build one."
"It takes time for the product's support team to resolve issues, making it an area of concern where improvements are required."
"The ability to tune the collector for custom logs would greatly help."
"Splunk Enterprise Security can provide more details and help CISOs resolve vulnerability situations better. The reason is that the tools we choose for data analysis and log collection cannot collect all the data and logs. Splunk Enterprise Security should help me with this, but it cannot."
"In the next releases, I would like to see more pricing flexibility."
"Improving the infrastructure behind Splunk Enterprise Security is vital—enhanced cores, CPUs, and memory should be prioritized to support better processing power."
"For us, the area that Splunk Enterprise Security can improve is performance optimization."
"Better directions on search head clusters."
"The only improvement I am expecting is the cost of the licensing. Clients are going to other solutions just because of the cost."
"Splunk's implementation process for managing multiple indexes can be complex, especially when dealing with a large number of components."
"Its pricing is extremely high. There are other tools out in the market that are competitive. They do not necessarily have all the functionality, but they are competitive. The professional services we have used have been high as well in comparison to the market."
 

Pricing and Cost Advice

"The pricing of the solution depends on the user. But there is a yearly licensing cost."
"It is on a yearly basis. For our own company, for about 250 users, it was 16,000 euros a year."
"Rapid7 InsightIDR is priced very well and is cost-effective."
"Rapid7 InsightIDR's pricing is reasonable."
"The pricing is good, and it is not very expensive."
"Licensing is straightforward. If, for some reason, you don’t meet the minimum licensing requirements, there is a third-party managed service that can help."
"​Accurately predict your licensing counts as this is a subscription based product.​"
"​I am sure that there are cheaper products out there, but none that meet so many of our needs whilst maintaining stability and usability.​"
"The pricing and licensing of the product are quite high."
"Although Splunk is an expensive product, it is designed to be utilized across your organization in order to maximize your ROI and lower your TCO."
"Splunk Enterprise Security is expensive."
"The licensing is good, but the pricing absolutely needs some work. It is very high."
"I work on the technical side, so I don't know precise figures. However, I know that Splunk is a premium product, so it's somewhat costly. Still, you get a lot of unique features for the money."
"Regarding the product's pricing, I think it has always been difficult to have a conversation with Splunk."
"I've heard Splunk is often preferred over other options, but the cost can be prohibitive for smaller organizations."
"Splunk is not free."
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Comparison Review

VS
Feb 26, 2015
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We at Infosecnirvana.com have done several posts on SIEM. After the Dummies Guide on SIEM, we are following it up with a SIEM Product Comparison – 101 deck. So, here it is for your viewing pleasure. Let me know what you think by posting your comments below. The key products compared here are…
 

Answers from the Community

Navin Rehnius - PeerSpot reviewer
Aug 10, 2021
Aug 10, 2021
For tools I’d recommend: -SIEM- LogRhythm -SOAR- Palo Alto XSOAR Doing commercial w/o both (or at least an XDR) is asking to miss details that are critical, and ending up a statistic. Also, remember that any EDR/XDR should integrate to the SIEM/SOAR and a strong threat intel source. If you consider SOC outsourcing take your time and find one you can integrate like a virtual team member. They a...
2 out of 12 answers
KM
Jul 26, 2021
I haven't used these big-name ones like Splunk etc. but I feel they're overpriced. I think they charge an arm and a leg for each module. The ROI justification is not there. Why not try a cheaper and robust alternative like Elasticsearch?
KA
Jul 26, 2021
We are using LogRthythm SIEM complete case management and offer SIEM/SOC as service.
 

Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
9%
Manufacturing Company
8%
Government
7%
Financial Services Firm
15%
Computer Software Company
14%
Manufacturing Company
8%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What SOC product do you recommend?
For tools I’d recommend: -SIEM- LogRhythm -SOAR- Palo Alto XSOAR Doing commercial w/o both (or at least an XDR) is asking to miss details that are critical, and ending up a statistic. Also, rememb...
What do you like most about Rapid7 InsightIDR?
During simulations or demonstrations, the tool generates alerts, providing details such as the specific application, its origin, and potential threats. For instance, it can identify if an applicati...
What is a better choice, Splunk or Azure Sentinel?
It would really depend on (1) which logs you need to ingest and (2) what are your use cases Splunk is easy for ingestion of anything, but the charge per GB/Day Indexed and it gets expensive as log ...
How does Splunk compare with Azure Monitor?
Splunk handles a high amount of data very well. We use Splunk to capture information and as an aggregator for monitoring information from different sources. Splunk is very good at alerting us if we...
What do you like most about Splunk?
There are a lot of third-party applications that can be installed.
 

Also Known As

InsightIDR
No data available
 

Overview

 

Sample Customers

Liberty Wines, Pioneer Telephone, Visier
Splunk has more than 7,000 customers spread across over 90 countries. These customers include Telenor, UniCredit, ideeli, McKenney's, Tesco, and SurveyMonkey.
Find out what your peers are saying about Rapid7 InsightIDR vs. Splunk Enterprise Security and other solutions. Updated: April 2025.
851,491 professionals have used our research since 2012.