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FireMon Asset Manager vs ServiceNow Discovery comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 18, 2024

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

FireMon Asset Manager
Ranking in IT Asset Management
11th
Average Rating
8.6
Reviews Sentiment
7.5
Number of Reviews
3
Ranking in other categories
Network Management Applications (17th), Cyber Asset Attack Surface Management (CAASM) (6th)
ServiceNow Discovery
Ranking in IT Asset Management
6th
Average Rating
8.0
Reviews Sentiment
6.7
Number of Reviews
44
Ranking in other categories
Server Monitoring (5th), Cloud Resource Discovery Services (1st)
 

Mindshare comparison

As of January 2026, in the IT Asset Management category, the mindshare of FireMon Asset Manager is 0.7%, up from 0.0% compared to the previous year. The mindshare of ServiceNow Discovery is 4.7%, down from 5.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Asset Management Market Share Distribution
ProductMarket Share (%)
ServiceNow Discovery4.7%
FireMon Asset Manager0.7%
Other94.6%
IT Asset Management
 

Featured Reviews

AN
Director of Delivery for IT and Cybersecurity at IMRI
Quickly discovers large IP address spaces, integrates seamlessly, and is easy to maintain
The fact that Asset Manager provides us with accurate updated asset information and details, is important for us. When FireMon Asset Manager is properly configured the data it provides is comprehensive. I have used Asset Manager to create dashboards for certificate monitoring to identify out-of-date certificates. I've also used it for operational technology, like industrial control system-type monitoring. They work well. They're a great resource when we're trying to learn more about our network, find a gap, or discover if something isn't being monitored that we need to be monitoring. The speed at which Asset Manager can discover large IP address spaces is impressive. It discovers things relatively quickly and with relatively minimal configuration and setup. Asset Manager's benefits became evident soon after implementation. Real-time data provided immediate clarity; even simple queries quickly demonstrated its value. Asset Manager identified unauthorized devices on the network, prompting a review of connections between various generative networks. In simpler terms, I discovered unexpected devices, addressed a potential security breach by isolating them, and identified additional unauthorized connections. This has a clear impact on overall network security. We have configured FireMon APIs for alerting.
reviewer2759271 - PeerSpot reviewer
Manager, Solution/Service Delivery at a tech services company with 51-200 employees
Has supported enterprise needs well and addresses discovery across environments
Small companies will not be able to afford ServiceNow Discovery from the pricing perspective. Hence, they will not opt for ServiceNow Discovery as a solution, either as an ITSM solution or ITOM solution. It will not be affordable. I am specifically talking about the Middle East and Africa region. ServiceNow ITOM is particularly not very strong in terms of monitoring capabilities. They do not have any monitoring tool. They use event management from getting events from other tools. In that front, they had a roadmap for going for an open-source solution, but I have not seen that materialize. There is a lack of tools perspective for monitoring. Perhaps they do not have a plan because there are hundreds of tools available, and they prefer to focus on integration and event management.

Quotes from Members

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

Pros

"The most valuable aspects of FireMon Asset Manager are its integrations and its ability to passively monitor the network for unknown assets."
"It offers a single platform for managing firewalls of different brands and simplifies policy deployment and auditing. It helps push policies to different firewalls, and it also helps with policy auditing."
"The most valuable feature is the change modules. Whenever there is a change in the firewall, it automatically reflects on FireMon."
"Most fields on our forms are auto-filled, reducing manual maintenance for our infrastructure team. Post Discovery implementation there is hardly any maintenance."
"We can find servers or services we were unaware of and stumble on vulnerabilities from those devices."
"We mostly use the solution's ITSM and ITOM capabilities in most workflows."
"ServiceNow Discovery has normal discovery of CIs, as well as horizontal discovery for understanding Service Mapping."
"ServiceNow's Discovery feature is quite significant because it allows for service mapping and integrates with VIN management. It involves adding a business context to servers, routers, switches, and data centers. This means understanding not only what's installed on these systems and how they function together but also recognizing their significance in terms of business applications from the business's perspective and how they impact business processes and capabilities. So when we delve into these aspects and connect them to the essential components, it can help you engage in more meaningful discussions to enhance capacity management practices. In essence, it contributes to the overall IT portfolio, almost functioning as a business platform. This platform is accessible to users who leverage the data to initiate incidents, implement changes, and resolve problems. Consequently, consolidating all configuration items or assets into a unified platform makes sense, especially considering you already have Discovery in place. If the cost is reasonable, the other two components might not provide much value, except for their user-friendliness, which is often less important to leaders compared to the desired outcomes."
"One highly valuable aspect is the use of service accounts, which automates the process of identifying underlying nodes and associated assets."
"The most valuable asset is relationship building because the solution discovers and builds auto relationships in a way that makes cleanup very easy."
"Discovery enables us to get an accurate inventory that's updated daily. It eliminates human error and the need for people to update configuration changes manually. We have not implemented them yet but plan to set up alerts on CIs that are being audited to see if there are any changes."
 

Cons

"It is not very good at monitoring the Check Point firewall, but it works very well with other firewalls such as Palo Alto, Fortinet, and Cisco ASA."
"While passive discovery remains important, active retrieval of asset details would be valuable, and this functionality is starting to be implemented, as I've observed in recent updates but it is not fully there yet."
"The discovery process could be improved. If incorrect credentials are entered, it should give an error message. That would make our work easy rather than having to troubleshoot why the issue is occurring."
"The initial setup could be made easier. We hired professionals to implement it, and they trained our employees for ongoing processes."
"The solution is too high priced."
"The product could improve some of the visualization and architecture setups."
"ServiceNow Discovery should improve its cloud capabilities."
"The current limitation requires having mid servers or discovery servers in each data center for proper discovery, hindering the ability to discover assets across continents such as Asia Pacific and Europe."
"On the Software Asset Management part of it, I expect additional reconciliation and Discovery features there."
"Its integration with legacy apps is one area for improvement. ServiceNow Discovery offers out-of-the-box reports, and though that's okay, allowing easier report customization would improve the solution."
"We would like more flexibility with the licensing. Discovery is bundled with ServiceNow's ITOM license. It was more affordable when it was sold separately, but we bought a package license to get more functionality out of the CMDB. We'd prefer to buy only the pieces we need instead of taking things we don't want or solutions that aren't yet mature enough to use."
 

Pricing and Cost Advice

"FireMon Asset Manager's pricing has been reasonable and has worked well for us from a licensing standpoint."
"FireMon is more expensive than other brands but justified by its comprehensive feature set. It includes several functions that might require additional subscriptions in other solutions."
"There is a subscription for ServiceNow Discovery. It's expensive, but I think it's one of the best solutions on the market, so it's worth it."
"The solution is very expensive."
"The pricing is determined based on the CIs."
"ServiceNow Discovery's licensing is not a very small investment, but it definitely pays off."
"If the product is not deployed properly, it can be very expensive."
"It is not recommended for smaller companies because of the price."
"The solution is not inexpensive so pricing is rated a three out of ten."
"I would rate the product's pricing a six out of ten. We had availed some discount from the standard pricing. Even then, the tool's pricing is expensive. You have to pay some vendor service fees for the product's implementation."
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Top Industries

By visitors reading reviews
No data available
Financial Services Firm
13%
Computer Software Company
9%
Manufacturing Company
9%
Healthcare Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise5
Large Enterprise23
 

Questions from the Community

What is your experience regarding pricing and costs for FireMon Asset Manager?
FireMon is more expensive than other brands but justified by its comprehensive feature set. It includes several functions that might require additional subscriptions in other solutions.
What needs improvement with FireMon Asset Manager?
We used FireMon Asset Manager only for the firewalls. It could not always discover, so we had to go in and add it manually. The discovery was not always consistent. At times it worked, and at times...
What is your primary use case for FireMon Asset Manager?
We used FireMon Asset Manager for 12 clients. We used it for firewall audits and rule changes.
What do you like most about ServiceNow Discovery?
The solution can prioritize the discovery of IP ranges. The product automatically places all Discovery CIs into the correct class within the CMDB.
What is your experience regarding pricing and costs for ServiceNow Discovery?
The pricing information for ServiceNow Discovery was requested but not provided.
What needs improvement with ServiceNow Discovery?
A CMDB debugging tool to give indication about the errors that appear would be appreciated.
 

Overview

 

Sample Customers

Information Not Available
York, National Grid, DXC Technology, experian, BEACHBODY
Find out what your peers are saying about FireMon Asset Manager vs. ServiceNow Discovery and other solutions. Updated: January 2026.
881,082 professionals have used our research since 2012.