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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

"I like most of Cisco's features, like malware detection and URL filtering."
"I would recommend this solution; it's reliable and scalable, with easy installation and integration."
"The most valuable feature of this solution is the filtering."
"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 most valuable feature is the visibility that we have across the virtual environment."
"The product is inexpensive compared to leading brands such as Palo Alto or Fortinet."
"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 whole solution is very good, and stable."
"The solution is extremely easy to install; it's not overly complex or difficult to set it up, and you can get it up and running pretty quickly."
"The solution has extension-based features that help it to analyze the environment. The environment can have different platforms like Windows, Linux, and Mac. The tool will give a report which can confirm the analysis of the issues. You can also get clear information on threats or suspicious files."
"The real-time visibility on network traffic provided by Trend Micro Deep Discovery is good, and my customer is satisfied."
"The most valuable feature of Trend Micro Deep Discovery is its complete end-to-end visibility of threats."
"The performance and stability are great."
"The HTML file sandboxing is very good."
"The reporting is very good, providing detailed analysis in a short amount of time."
"I like the sales operations testing. and support."
 

Cons

"If the price is brought down then everybody will be happy."
"With the next release, I would like to see some PBR, so that you can do the configuration with the features."
"The customization of the rules can be simplified."
"I would like to have analytics included in the suite."
"Cisco Sourcefire SNORT can scale, but if you have too much, you could fill up your log files, which I consider when discussing scalability."
"The pricing needs to be improved. We have lots of low-budget clients around us. Budget constraints are always a deterrent in our market."
"There are some bugs in this solution and troubleshooting them is complicated."
"This solution needs to be more customizable."
"The solution could be more stable and offer more security."
"The solution is not scalable as it is an agent product rather than a product designed for scalability."
"This solution could be improved with faster technical support and cheaper licensing prices."
"Some of the end users may not be technically proficient, so they occasionally face problems due to a lack of knowledge."
"The product's security features need enhancement."
"I would like to see integration with third-party tools to improve the visibility of the dashboards."
"The scalability is sometimes limited."
"The solution needs to be able to integrate better with third-party infrastructure."
 

Pricing and Cost Advice

"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."
"We have a three-year license for this solution."
"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."
"Compared to its competitors, Trend Micro Deep Discovery is a little expensive."
"Overall, Trend Micro Deep Discovery has proven to be a reliable solution that enhances our security posture while minimizing operational disruptions."
"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."
"The pricing is okay for some, and sometimes, some people find it expensive."
"Overall, the price is good."
"The licensing cost is a bit pricey. We pay a yearly subscription."
"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%
Manufacturing Company
8%
Financial Services Firm
8%
Outsourcing Company
11%
Construction Company
9%
Financial Services Firm
9%
Comms Service Provider
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 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 Darktrace, Fortinet, Check Point Software Technologies and others in Intrusion Detection and Prevention Software (IDPS). Updated: October 2026.
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