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Hillstone S-Series Network Intrusion Prevention System vs Trend Micro Deep Discovery [EOL] comparison

 

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

Hillstone S-Series Network ...
Average Rating
9.0
Reviews Sentiment
7.8
Number of Reviews
1
Ranking in other categories
Intrusion Detection and Prevention Software (IDPS) (23rd)
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

reviewer1080873 - PeerSpot reviewer
Senior Consultant at a tech services company with 51-200 employees
Complements any firewall
The core processors are there and it's able to generate reports for that. It also complements any kind of firewall. For example, if an end user is using Palo Alto as a firewall, they'd need another layer of firewall like the S-Series that will protect internal servers. It's something that complements any firewall in the market.
reviewer2266119 - PeerSpot reviewer
Senior IT Security Engineer at a financial services firm with 5,001-10,000 employees
Has improved email security through advanced filtration and timely threat detection
I work with Trend Micro Apex One. I have used the Deep Discovery's Sandbox analysis feature, and we utilize another appliance known as Deep Discovery Analyzer, abbreviated as DDA. This tool makes analysis for URLs and attachments contained in inbound emails, so whenever we receive an email with a URL or attachment, it will be analyzed by Trend Micro Deep Discovery Analyzer. In evaluating Deep Discovery's real-time visibility on network traffic, it is important to note that we applied our Deep Discovery Analyzer for Trend Micro to conduct sandboxing specifically for email channels only, and we do not utilize it for network channels. For network channel sandboxing, we use a solution called FortiAnalyzer, which belongs to another team called network security. I assess Deep Discovery's effectiveness in identifying sophisticated attack patterns by looking at how it handles high traffic loads, and how effectively it can use its instances and images to analyze numerous URLs and attachments simultaneously. Additionally, I evaluate its ability to maintain round-robin or load balancing across different analyses without leaving samples queued for analysis. The performance is critical when the product updates for signatures are up-to-date, as this aids in the detection and classification of URLs and attachments without delay in the analysis process. On a scale of one to ten, I rate Trend Micro Deep Discovery a nine.

Quotes from Members

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

Pros

"Setup is straightforward with the same reliability and scalability as the firewall series."
"Trend Micro has divided most of the solutions into different sectors, and if you want to go for the end-to-end solution, they are very much in a position to provide that because Trend Micro covers almost everything."
"The tool's most valuable feature is its collaboration with other products. Integrating with other security products was simple and easy."
"The real-time visibility on network traffic provided by Trend Micro Deep Discovery is good, and my customer is satisfied."
"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."
"Initial setup is easy. It can be done by yourself."
"Sandboxing gives us a chance to identify malicious behavior, especially for unknown vulnerabilities, although it's rarely needed as a last resort after all other security measures have failed."
"Fire Eye is incredibly expensive, and requires multiple appliances which together, scan far less protocols than DDi."
"This solution allows us to see anomalies, network traffic in our network, and zero-day threats."
 

Cons

"Lack of tools to help educate end users"
"The product's scalability feature needs to be improved, as it is an area in the product with certain shortcomings."
"The stability of the solution could be improved. It should be 100% stable, but it's not there right now."
"The solution could be more secure."
"The solution is not scalable as it is an agent product rather than a product designed for scalability."
"I would like the ability to analyze all files in our internal network, at the same time on different operating systems. Not just three of them, but as many as possible."
"The tool's configuration can be made easier."
"There were a few instances where legitimate traffic (WPAD) was flagged as C2 communication."
"The solution could be more stable and offer more security."
 

Pricing and Cost Advice

Information not available
"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 price of the solution is lower compared to the competition."
"Trend Micro Deep Discovery is quite expensive compared to other endpoint security products."
"Overall, the price is good."
"The tool's licensing costs are yearly. There are no additional costs associated with the product."
"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."
"The licensing cost is a bit pricey. We pay a yearly subscription."
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Top Industries

By visitors reading reviews
No data available
Financial Services Firm
12%
Manufacturing Company
8%
Construction Company
8%
Computer Software Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise6
Large Enterprise10
 

Questions from the Community

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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

Hillstone S-Series NIPS
Trend Micro Deep Discovery Inspector, Trend Micro Deep Discovery Analyzer
 

Overview

 

Sample Customers

Information Not Available
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: June 2026.
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