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ClearSkies SaaS NG SIEM vs Fortinet FortiSIEM comparison

Odyssey Cybersecurity and Fortinet are both solutions in the Security Information and Event Management (SIEM) category. Odyssey Cybersecurity is ranked #50 with an average rating of 7.0, while Fortinet is ranked #7 with an average rating of 8.1. Odyssey Cybersecurity holds a 0.2% mindshare in SIEM, compared to Fortinet’s 3.3% mindshare. Additionally, 100% of Odyssey Cybersecurity users are willing to recommend the solution, compared to 82% of Fortinet users who would recommend it.
ClearSkies SaaS NG SIEM
Read 2 ClearSkies SaaS NG SIEM reviews
  • 319 Views
  • 313 Comparison Views
100% willing to recommend
Fortinet FortiSIEM
Read 75 Fortinet FortiSIEM reviews
  • 5,537 Views
  • 4,042 Comparison Views
82% willing to recommend
 

Comparison Buyer's Guide

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Executive SummaryUpdated on Sep 18, 2024

Fortinet FortiSIEM and ClearSkies SaaS NG SIEM compete in the security information and event management solutions category. ClearSkies appears to have the upper hand due to its advanced features and higher ROI despite higher costs.

Features: Fortinet FortiSIEM is known for its comprehensive monitoring, automated response capabilities, and ease of use. ClearSkies SaaS NG SIEM offers AI-driven analytics, real-time threat detection, and advanced analytics.

Room for Improvement: Fortinet FortiSIEM could enhance its integration capabilities with other security tools. ClearSkies SaaS NG SIEM needs better documentation, improved user training, and simpler deployment processes.

Ease of Deployment and Customer Service: Fortinet FortiSIEM is noted for smoother deployment and responsive customer service. ClearSkies SaaS NG SIEM has a complex deployment but offers proactive support.

Pricing and ROI: Fortinet FortiSIEM has competitive pricing with satisfactory ROI. ClearSkies SaaS NG SIEM is more expensive but provides a higher ROI due to its superior functionality.

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To learn more, read our detailed ClearSkies SaaS NG SIEM vs. Fortinet FortiSIEM Report (Updated: September 2025).
Buyer's Guide
ClearSkies SaaS NG SIEM vs. Fortinet FortiSIEM
September 2025
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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

ClearSkies SaaS NG SIEM
Ranking in Security Information and Event Management (SIEM)
50th
Average Rating
7.6
Reviews Sentiment
7.3
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Fortinet FortiSIEM
Ranking in Security Information and Event Management (SIEM)
7th
Average Rating
7.6
Reviews Sentiment
5.8
Number of Reviews
75
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the Security Information and Event Management (SIEM) category, the mindshare of ClearSkies SaaS NG SIEM is 0.2%, up from 0.1% compared to the previous year. The mindshare of Fortinet FortiSIEM is 3.3%, up from 2.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Market Share Distribution
ProductMarket Share (%)
Fortinet FortiSIEM3.3%
ClearSkies SaaS NG SIEM0.2%
Other96.5%
Security Information and Event Management (SIEM)
 

Featured Reviews

ZH
Has good integration capability and provides information and events but improvement is needed in information retrieval speed
The best features are the comprehensive event collection and analysis. Once set up properly, we receive all events and information. The team analyzes our data and presents incidents to us. We can communicate with their team to escalate and resolve incidents. It has a feature we use to search for information about our environment and past incidents. This is very valuable. The integration capability is very good - the ClearSkies SaaS NG SIEM team is collaborative. We've integrated most of our systems, including EDR and NDR. They have agents to collect events from servers and assets.
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Oliver Jackson - PeerSpot reviewer
Systems monitoring enhanced by firewall and intrusion detection features
My primary use case for Fortinet FortiSIEM is systems monitoring and alerting. I use it for standard functions like log monitoring, incident detection, and notification.  My customers are mostly medium-sized enterprises ranging from engineering companies, mining companies, independent schools, and…
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Quotes from Members

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

Pros

"The integration capability is very good - the ClearSkies SaaS NG SIEM team is collaborative. We've integrated most of our systems, including EDR and NDR. They have agents to collect events from servers and assets."
"The correlation rules and the user platform are most valuable."
"I like FortiSIEM because it integrates natively with our other Fortinet solutions and the Fortinet Fabric, but it also integrates with Cisco, Palo Alto and other security fabrics."
"The most fascinating aspect of FortiSIEM is its integration with the MITRE ATT&CK framework."
"We find the solution to be stable."
"The most valuable features for us are the built-in reports and alerts, along with the extreme flexibility in reporting and rule generation."
"Technical support is helpful."
"The most valuable feature is the dashboard. CMDB database collects data from a lot of pre-configured devices."
"These aspects make Fortinet FortiSIEM a valuable choice."
"It provides extensive logging and record-keeping for internal networks, cloud applications, and services as well as perimeter physical network security."
More Fortinet FortiSIEM pros
 

Cons

"They can add behavior analytics and AI or machine learning technology. They also improve their correlation engine. In addition to collecting logs from devices, they can collect the traffic and then correlate these logs and the traffic information."
"The main issue for improvement is the platform's slowness in presenting information. Retrieving information can take a little time when clicking on something."
"Our team tried configuring MS SQL database logs with Fortinet FortiSIEM, but it did not work for some time."
"The solution's interface could be modernized and improved."
"The deployment of the platform took some time to set up and configure."
"There could be improvements like introducing some solutions directly into FortiSIEM to avoid the need for separately purchasing additional tools like FortiStore."
"It would be good if the solution offered even more configuration options, especially in relation to the VPN so that it continues to be a very flexible option."
"Fortinet FortiSIEM could improve by having a signature update."
"With FortiSIEM, the issue has to do with the ways we can generate a report. It's not as flexible compared to that with other SIEM tools, like Splunk."
"Customer support service could be better."
More Fortinet FortiSIEM cons
 

Pricing and Cost Advice

"Regarding pricing, I'd say it's in the middle range. Pricing is very good compared to others."
"They have changed the pricing policy. Its price is competitive. Its price is less than half of the price of QRadar, LogRhythm, and Splunk."
"Its price can be better. We are Fortinet partners, so we can get discounts, but its price can be an issue at the beginning for others. There is a licensing scheme for every case. There are three licensing schemes that we can choose from."
"Pricing is acceptable for more than 90% of our customers, as they normally get discounts."
"The price of Fortinet FortiSIEM is a lot less when compared to other solutions."
"FortiSIEM's licensing is based on EPS, and its pricing is competitive in the market."
"Fortinet's products are not expensive, it is less than the competition."
"Fortinet FortiSIEM is very cost-efficient compared to other SIEM solutions."
"Manageable, however would be better as pay as you go versus CapEX."
"This is probably more on the lower cost end of the spectrum compared to competing products. Fortinet's license model is based on events per second, which makes sense, but that's not typical. It makes it very hard to calculate what your costs are going to be as you scale the platform because some log sources, such as firewall logs, are very noisy, and there are lots and lots of events per second, but some of them are not. So, it becomes a bit of a science experiment trying to guess what your costs are going to be as you scale the solution. This is where other competing products perhaps have a more straightforward license model."
More Fortinet FortiSIEM pricing and cost advice
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Top Industries

By visitors reading reviews
No data available
Computer Software Company
13%
Financial Services Firm
9%
Comms Service Provider
7%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business34
Midsize Enterprise21
Large Enterprise23
 

Questions from the Community

What is your experience regarding pricing and costs for ClearSkies SaaS NG SIEM?
Regarding pricing, I'd say it's in the middle range. Pricing is very good compared to others.
See all answers
What needs improvement with ClearSkies SaaS NG SIEM?
The main issue for improvement is the platform's slowness in presenting information. Retrieving information can take a little time when clicking on something.
See all answers
What is your primary use case for ClearSkies SaaS NG SIEM?
I use the solution as a SIEM and managed SOC. It collects events and incidents from all our systems like, EDR, NDR, servers, and switches. The managed SOC team raises incidents for us to review and...
See all answers
What do you like most about Fortinet FortiSIEM?
Fortinet FortiSIEM needs to provide better API integrations to users.
See all answers
What is your experience regarding pricing and costs for Fortinet FortiSIEM?
I am not familiar with the price and cost of Fortinet FortiSIEM. I cannot tell you if it is high, expensive, or low. However, I can say that it is cost-effective as it provides everything needed.
See all answers
What needs improvement with Fortinet FortiSIEM?
Regarding Fortinet FortiSIEM, I cannot identify any specific areas for improvement because I can find everything I need. For the time being, I cannot find a real point for improvement. Everything i...
See all answers
 

Comparisons

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ManageEngine Log360 vs Fortinet FortiSIEM Logo
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Compared 6% of the time
LogRhythm SIEM vs Fortinet FortiSIEM Logo
LogRhythm SIEM vs Fortinet FortiSIEM
Compared 5% of the time
More Fortinet FortiSIEM Competitors
 

Product Reports

Buyer's Guide
Security Information and Event Management (SIEM)
September 2025
ClearSkies SaaS NG SIEM reportDownload ClearSkies SaaS NG SIEM product report
Buyer's Guide
Fortinet FortiSIEM
October 2025
Fortinet FortiSIEM reportDownload Fortinet FortiSIEM product report
 

Also Known As

ClearSkies NG SIEM
FortiSIEM, AccelOps
 

Overview

ClearSkies™ Software-as-a-Service is a fast, robust, scalable and flexible Next Generation SIEM solution. It provides real-time correlation of log data combined with evidence-based knowledge of emerging threats and vulnerabilities, thus allowing the early detection of and response to targeted attacks and data breaches.

Odyssey Cybersecurity

FortiSIEM (formerly AccelOps 4) provides an actionable security intelligence platform to monitor security, performance and compliance through a single pane of glass.

Companies around the world use FortiSIEM for the following use cases:

  • Threat management and intelligence that provide situational awareness and anomaly detection
  • Alleviating compliance mandate concerns for PCI, HIPAA and SOX
  • Managing “alert overload”
  • Handling the “too many tools” reporting issue
  • Addressing the MSPs/MSSPs pain of meeting service level agreements
Fortinet
 

Sample Customers

Information Not Available
FortiSIEM has hundreds of customers worldwide in markets including managed services, technology, financial services, healthcare, and government. Customers include Aruba Networks, Compushare, Port of San Diego, Cleveland Indians, Infoblox, Healthways, and Referentia.
Buyer's Guide
ClearSkies SaaS NG SIEM vs. Fortinet FortiSIEM
September 2025
Free Report: ClearSkies SaaS NG SIEM vs. Fortinet FortiSIEM
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We monitor all Security Information and Event Management (SIEM) reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.