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Cisco Sourcefire SNORT vs Trend Micro Deep Discovery [EOL] comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Feb 26, 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

Cisco Sourcefire SNORT
Average Rating
7.8
Reviews Sentiment
6.8
Number of Reviews
20
Ranking in other categories
Intrusion Detection and Prevention Software (IDPS) (12th)
Trend Micro Deep Discovery ...
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
29
Ranking in other categories
No ranking in other categories
 

Featured Reviews

reviewer2772102 - PeerSpot reviewer
Cloud Architect at a consultancy with 1-10 employees
Logging and customizable rules have helped improve threat monitoring and detection
The logging is mainly what I consider one of the best features with Cisco Sourcefire SNORT. Being able to log and store it in a file allows you to push it to a centralized repository. The logging and reporting help improve incident response. You should always be logging threats, any sort of misconfiguration, and anything that could be an issue. It's important to at least log and monitor it. The basic rules provide a good baseline in assessing Cisco Sourcefire SNORT's ability in providing real-time analytics for threat detection, but as a professional, you should look to constantly modify that baseline. They provide extensive customizability so you can define your own rules. The customizability allows it to be adaptable in protecting against diverse network threats to the constant change.
RJ
Director at Business Automation Indore Private Limited
Long-term threat visibility has reduced customer incidents and supports steady recurring revenue
The real-time visibility on network traffic provided by Trend Micro Deep Discovery is good, and my customer is satisfied. My customers have indeed utilized the Threat Intelligence Sharing feature of Trend Micro Deep Discovery. The impact of the Threat Intelligence Sharing feature on overall defense and security is positive. The benefit that Deep Discovery brings to our organization is that we get fewer calls from customers, allowing me to focus on other businesses, and we receive year-on-year revenue for renewals.

Quotes from Members

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

Pros

"The whole solution is very good, and stable."
"Cisco technical support is unbeatable. It offers a premium service every time."
"I would recommend this solution; it's reliable and scalable, with easy installation and integration."
"Cisco Sourcefire SNORT is easy to configure and the reporting is great. It's also very user-friendly."
"Users have access to intelligent security automation as one of the features, which can easily automate your event impact assessment so your IPS policy tuning can be done as well as your network behavior analysis, and you can do real-time contextual awareness with correlation of events created on your applications, user devices, operating systems, or vulnerabilities, with all of this real-time data captured including your apps and port scans."
"The solution can be integrated with some network electors like Cisco Stealthwatch, Cisco ISE, and Active Directory to provide the client with authentication certificates."
"It has a huge rate of protection. It's has a low level of positives and a huge rate of threat protection. It's easy to deploy and easy to implement. It has an incredible price rate compared to similar solutions."
"The solution is stable."
"Fire Eye is incredibly expensive, and requires multiple appliances which together, scan far less protocols than DDi."
"I like the sales operations testing. and support."
"One of the most valuable features is the performance, since, so far, we have not faced any issues with Deep Discovery."
"Trend Micro Deep Discovery is a very specific product for threat intelligence with smart protection."
"There is no downtime or server vulnerability with this solution."
"The tool's most valuable feature is its collaboration with other products. Integrating with other security products was simple and easy."
"The most valuable features are the protection and that it is fast."
"The tool's stability and performance are good."
 

Cons

"To be frank, the product is not really stable, although they're working on that. Whenever I go to the technical community with an issue, they will usually say that it is not there yet, but the technical team are working on it. The issues are not insolvable. I think they should just keep working on the product to make sure that the product can become very stable. The technical support is great. I appreciate that. We have a lot of communities supporting Firepower now, so you can find help for whatever issue you have."
"There are some bugs in this solution and troubleshooting them is complicated."
"The cloud can be improved."
"If the price is brought down then everybody will be happy."
"Integration with other components — even Cisco's own products — can be enhanced to improve administrative experience."
"Cisco Sourcefire SNORT can scale, but if you have too much, you could fill up your log files, which I consider when discussing scalability."
"I did not experience any pain points that required improvement. Maybe a couple of false-positives, but that's about it."
"The initial setup is a little difficult compared to other products in the market. It depends on the environment. If we are doing any migration, it might take months in a brown-field environment."
"The stability of the solution could be improved. It should be 100% stable, but it's not there right now."
"I am not aware if Trend Micro Deep Discovery provides any return on investment or cost reductions; it may not be beneficial in terms of finance."
"Trend Micro Deep Discovery's technical support could be improved, and it could be made more active."
"The scalability is sometimes limited."
"This solution could be improved with faster technical support and cheaper licensing prices."
"Additionally, better scanning capabilities for third-party applications would ensure comprehensive security without the need for exclusions."
"The product's security features need enhancement."
"The solution needs to be able to integrate better with third-party infrastructure."
 

Pricing and Cost Advice

"We have a three-year license for this solution."
"I don't know the exact amount, but most of the time when I go to a company with a proposition, they will say, "This thing that you are selling is good, but it's expensive. Why don't you propose something like FortiGate, Check Point, or Palo Alto?" Cisco device are expensive compared to other devices."
"Licensing for this solution is paid on a yearly basis."
"If one is an extremely expensive product, and ten is cheap, I rate the tool's price as a five."
"The cost is per port and can be expensive but it does include training and support for three years."
"Its price is fine, but Trend Micro can improve the pricing in general. It is a hardware solution. It is based on the number of nodes, and according to the number of nodes, clients decide which box they should acquire. They have to renew their license every year. It is subscription-based."
"The tool’s licensing costs depend on the customers."
"Overall, Trend Micro Deep Discovery has proven to be a reliable solution that enhances our security posture while minimizing operational disruptions."
"The licensing cost is a bit pricey. We pay a yearly subscription."
"The pricing is okay for some, and sometimes, some people find it expensive."
"The price of the solution is lower compared to the competition."
"Overall, the price is good."
"The tool's licensing costs are yearly. There are no additional costs associated with the product."
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Top Industries

By visitors reading reviews
Construction Company
13%
Outsourcing Company
9%
Financial Services Firm
9%
Manufacturing Company
7%
Financial Services Firm
10%
Outsourcing Company
10%
Construction Company
9%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business5
Midsize Enterprise9
Large Enterprise7
By reviewers
Company SizeCount
Small Business14
Midsize Enterprise7
Large Enterprise11
 

Questions from the Community

What is your experience regarding pricing and costs for Cisco Sourcefire SNORT?
If one is an extremely expensive product, and ten is cheap, I rate the tool's price as a five. There are some other tools in the market that are more expensive than Cisco. There are no additional c...
What needs improvement with Cisco Sourcefire SNORT?
I have not had much experience with the community-driven rule set while utilizing Cisco Sourcefire SNORT. I don't have experience with recognizing zero-day vulnerabilities, but based on my knowledg...
What is your primary use case for Cisco Sourcefire SNORT?
Endpoint protection is the main use case. The main aspect involves specifying different rules, and when network traffic hits these rules, it will try to block the traffic or at least log the traffi...
What needs improvement with Trend Micro Deep Discovery?
Server Protect is not commonly used. When considering the Sandbox feature, it only inspects small files, and not all types of files are supported. The solution is very expensive. The solution is no...
What is your primary use case for Trend Micro Deep Discovery?
I am working with Microsoft solutions, specializing in cyber security. I work with XDR, Apex One, Apex Central, Deep Security, Deep Discovery Inspector, and Deep Discovery Analyzer for monitoring t...
 

Also Known As

Sourcefire SNORT
Trend Micro Deep Discovery Inspector, Trend Micro Deep Discovery Analyzer
 

Overview

 

Sample Customers

CareCore, City of Biel, Dimension Data, LightEdge, Lone Star College System, National Rugby League, Port Aventura, Smart City Networks, Telecom Italia, The Department of Education in Western Australia
Allied Telesis, Atma Jaya Catholic University of Indonesia, Babou, Blekinge County Council, Delacour, Hiroshima Prefectural Government, Live Nation Entertainment Inc., Mazda Motor Logistics Europe, McGill University Health Centre, Mikuni Corporation, OKWAVE, Sinar Mas Land, SWICA, UTOC Corporation
Find out what your peers are saying about Fortinet, Darktrace, Check Point Software Technologies and others in Intrusion Detection and Prevention Software (IDPS). Updated: September 2026.
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