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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 would recommend this solution; it's reliable and scalable, with easy installation and integration."
"Solid intrusion detection and prevention that scales easily in very large environments."
"The most valuable feature of this solution is the filtering."
"If you compare it to other vendors, the technical support from Cisco is excellent."
"The solution can be integrated with some network electors like Cisco Stealthwatch, Cisco ISE, and Active Directory to provide the client with authentication certificates."
"With Cisco Sourcefire SNORT, we've been able to prevent and detect intrusion in our network and actually decrease our SLA (Service Level Agreement)."
"The solution is rather easy to use."
"Cisco technical support is unbeatable. It offers a premium service every time."
"We are trying this solution as a POC, it's a nice product and it has really helped limit the attacks."
"I like the sales operations testing. and support."
"The performance and stability are great."
"There is no downtime or server vulnerability with this solution."
"All in all, the variety of products provided by Trend Micro will give you a huge step up into checking and defending yourself from any threats."
"One of the most valuable features is the performance, since, so far, we have not faced any issues with Deep Discovery."
"The tool's stability and performance are good."
"Trend Micro Deep Discovery is a very specific product for threat intelligence with smart protection."
 

Cons

"The customization of the rules can be simplified."
"I want to see a better dashboard for the product. The dashboard can be a bit modified or enhanced."
"Sometimes the solution will offer up false positives."
"I don't think this solution is a time-based control system, because one cannot filter traffic based on time."
"If the price is brought down then everybody will be happy."
"The utopia is to see everything from one dashboard, but sometimes that's not very possible."
"We are unhappy with technical support for this solution, and it is not as professional as what we typically expect from Cisco."
"A lot of Cisco equipment is very good, but in judging the model of this solution that we have, I feel that it is the worst."
"The solution needs to be able to integrate better with third-party infrastructure."
"The solution is not scalable as it is an agent product rather than a product designed for scalability."
"I would like to see integration with third-party tools to improve the visibility of the dashboards."
"The product's security features need enhancement."
"Additionally, better scanning capabilities for third-party applications would ensure comprehensive security without the need for exclusions."
"The solution could be more secure."
"The tool's configuration can be made easier."
"The scalability is sometimes limited."
 

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."
"The cost is per port and can be expensive but it does include training and support for three years."
"If one is an extremely expensive product, and ten is cheap, I rate the tool's price as a five."
"We have a three-year license for this solution."
"Licensing for this solution is paid on a yearly basis."
"The licensing cost is a bit pricey. We pay a yearly subscription."
"Overall, Trend Micro Deep Discovery has proven to be a reliable solution that enhances our security posture while minimizing operational disruptions."
"The pricing is okay for some, and sometimes, some people find it expensive."
"Overall, the price is good."
"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."
"Compared to its competitors, Trend Micro Deep Discovery is a little expensive."
"The price of the solution is lower compared to the competition."
report
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Top Industries

By visitors reading reviews
Construction Company
13%
Outsourcing Company
9%
Financial Services Firm
8%
Manufacturing Company
7%
Outsourcing Company
10%
Financial Services Firm
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 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.
917,403 professionals have used our research since 2012.