No more typing reviews! Try our Samantha, our new voice AI agent.

ArcSight Security Open Data Platform vs Splunk Enterprise Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 25, 2026

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

ArcSight Security Open Data...
Ranking in Security Information and Event Management (SIEM)
82nd
Average Rating
9.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
Splunk Enterprise Security
Ranking in Security Information and Event Management (SIEM)
1st
Average Rating
8.4
Reviews Sentiment
7.3
Number of Reviews
394
Ranking in other categories
Log Management (1st), IT Operations Analytics (1st)
 

Mindshare comparison

As of June 2026, in the Security Information and Event Management (SIEM) category, the mindshare of ArcSight Security Open Data Platform is 0.3%, up from 0.0% compared to the previous year. The mindshare of Splunk Enterprise Security is 7.3%, down from 9.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Mindshare Distribution
ProductMindshare (%)
Splunk Enterprise Security7.3%
ArcSight Security Open Data Platform0.3%
Other92.4%
Security Information and Event Management (SIEM)
 

Featured Reviews

Shitanshu Kumar - PeerSpot reviewer
Senior Director, Products & Solutions at Etek international
Offers insights into past events and future incidents before they occur
I rate the product a nine out of ten. Organizations should evaluate how the solution will impact their organization and align with their security goals rather than solely focusing on the features the solution offers. The capabilities of a solution may vary, and it's essential to prioritize your specific requirements and choose the one that best meets those needs.
Sathis-Kumar - PeerSpot reviewer
Senior Manager at Bank of America
Helps us detect cyber threats quickly and integrate multiple feeds effectively
Overall, the product is good, but when it comes to some infrastructure issues, we have to dig into more logs. There is no straightforward indication of an issue. Health check kind of dashboards are not available. More AI would help us, and more optimization, since security products run more queries. The AI module could suggest solutions, optimizing queries or workload balancing. If the product itself advises on running queries during peak times, it would be similar to what ChatGPT currently offers. We see quite a few issues on stability. Even last week, we faced something, and identifying bottlenecks is not easy. We need more SMEs, and there is no mechanism to tell us about indexer or search head issues. Self-monitoring dashboards could be beneficial. The technical support still requires more improvement. Often, primary support takes a lot of time and forwards most solutions to the engineering side. The primary support team has very limited knowledge to provide.

Quotes from Members

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

Pros

"The product provides a collective view through the Enterprise Security Manager, offering insights into past events and heuristics about future incidents before they occur and impact the organization."
"It gives me notifications of notable events."
"I would assess the stability and reliability of Splunk Enterprise Security as very reliable and very stable."
"Splunk's strength lies in its single-page view."
"Splunk RBA or risk-based alerting definitely made our lives a lot easier; we went from hundreds of alerts having to be triaged a day, that generally could be false positives or just noise, and bubble them into one overall alert that we can look at on a per-day basis and see what's rising to the top and respond faster, have a higher rate of true positives and find evil a lot quicker."
"The correlation capabilities are the first value that our clients say they like with Splunk."
"I also provided Splunk as a recommendation because it is a market leader, really powerful, and really good to use."
"it can explain to management about what kind of traffic is visiting the network. It can also explain other traffic coming in and out, along with protecting against malware."
"To get visibility from your network devices, servers, and security devices is a great feature."
 

Cons

"ArcSight Security Open Data Platform needs to improve stability. Support has deteriorated after the acquisition of OpenText. It should also improve market awareness."
"Splunk Enterprise Security can be improved by addressing the content management interface, which is very outdated, slow, and clunky; sometimes we think things are saved and they haven't."
"We will receive alerts only for the administrators and deployment servers, but not for all servers."
"I think the licensing costs for Splunk Enterprise Security are on the higher side, but I am not certain."
"Index performance is a bit slow but this is partly due to the huge volumes of data for our industry within our environment."
"Splunk Enterprise Security can be improved by having more focus on the data health monitoring aspect, which will definitely be helpful."
"I think the tech support response time could be a bit better. Sometimes I need to wait more than 24 hours for a response to my tickets."
"We'd like to have the number of devices covered under the license to be increased."
"Splunk Enterprise Security could be improved in the dashboards that provide KPIs about environmental behavior."
 

Pricing and Cost Advice

Information not available
"The variables and the flexibility that Splunk provides are helpful, especially in a hybrid and multi-cloud environment."
"We have an unlimited one, and we pay yearly, but I don't know how much it costs. Previously, I worked for a startup, and when they started building it up, it was complicated for them because they didn't have the budget for that many licenses. It was very costly for them. So, startups might find it a little bit problematic because of the licensing, but for bigger companies, there is no issue."
"It is pretty straightforward and based on the sizing. If I compare it with other competitors, it makes sense."
"Splunk Enterprise Security is expensive. I would rate the cost an eight out of ten with ten being the most expensive."
"Further reductions would be fantastic, and I believe that more and more people would flock to it."
"It's definitely worth it."
"Splunk Enterprise Security is a bit expensive overall, but it provides good value."
"Be upfront about your needs and expectations. Splunk is great to work with."
report
Use our free recommendation engine to learn which Security Information and Event Management (SIEM) solutions are best for your needs.
896,942 professionals have used our research since 2012.
 

Comparison Review

VS
Manager, Enterprise Risk Consulting at a tech company with 1,001-5,000 employees
Feb 26, 2015
HP ArcSight vs. IBM QRadar vs. ​McAfee Nitro vs. Splunk vs. RSA Security vs. LogRhythm
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…
 

Top Industries

By visitors reading reviews
No data available
Financial Services Firm
14%
Manufacturing Company
9%
Computer Software Company
8%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business124
Midsize Enterprise52
Large Enterprise274
 

Questions from the Community

Ask a question
Earn 20 points
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 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...
 

Overview

 

Sample Customers

Information Not Available
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 Splunk, IBM, Wazuh and others in Security Information and Event Management (SIEM). Updated: May 2026.
896,942 professionals have used our research since 2012.