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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) (22nd)
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."
"The HTML file sandboxing is very good."
"The reporting is very good, providing detailed analysis in a short amount of time."
"There is no downtime or server vulnerability with this solution."
"The most valuable feature is that the user can customize images of virtual machines in the sandbox functionality. The other vendors only use images that were created by the vendor but not the customer, end-user or partner. This helps to detect advanced threats and attacks."
"The environment is imported inside the sandbox and in this way, Trend Micro is the leader in the world's markets of sandbox solutions."
"The performance and stability are great."
"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."
"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."
 

Cons

"Lack of tools to help educate end users"
"The solution is not scalable as it is an agent product rather than a product designed for scalability."
"Scalability becomes an issue when managing a higher number of customers."
"There were a few instances where legitimate traffic (WPAD) was flagged as C2 communication."
"Trend Micro Deep Discovery's technical support could be improved, and it could be made more active."
"I would like to see integration with third-party tools to improve the visibility of the dashboards."
"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."
"The stability of the solution could be improved. It should be 100% stable, but it's not there right now."
"The solution needs to be able to integrate better with third-party infrastructure."
 

Pricing and Cost Advice

Information not available
"Trend Micro Deep Discovery is quite expensive compared to other endpoint security products."
"The pricing is okay for some, and sometimes, some people find it expensive."
"The tool's licensing costs are yearly. There are no additional costs associated with the product."
"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."
"Compared to its competitors, Trend Micro Deep Discovery is a little expensive."
"The licensing cost is a bit pricey. We pay a yearly subscription."
"Overall, the price is good."
"Overall, Trend Micro Deep Discovery has proven to be a reliable solution that enhances our security posture while minimizing operational disruptions."
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Top Industries

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