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Hillstone S-Series Network Intrusion Prevention System 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

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) (24th)
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.
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

"Setup is straightforward with the same reliability and scalability as the firewall series."
"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 platform provides all essential features for discovery and administration."
"The product's initial setup phase was not difficult."
"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."
"Trend Micro is a good solution and our clients are happy with it."
"Trend Micro Deep Discovery Email Inspector includes its ability to perform mail detection and mail filtration against various email attacks such as phishing and spam, serving as an email gateway for both inbound and outbound traffic."
"The tool's stability and performance are good."
"There is no downtime or server vulnerability with this solution."
 

Cons

"Lack of tools to help educate end users"
"The solution could be more stable and offer more security."
"All issues we faced related to false positives regarding many hashes and URLs specifically for mail gateway and sandboxing, which led us to open a threat ticket with Trend Micro support for validation."
"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."
"Some of the end users may not be technically proficient, so they occasionally face problems due to a lack of knowledge."
"The solution needs improvement in terms of pricing."
"There are certain aspects of flexibility in the policies that should be added to Deep Discovery."
"The solution could be more secure."
 

Pricing and Cost Advice

Information not available
"Overall, Trend Micro Deep Discovery has proven to be a reliable solution that enhances our security posture while minimizing operational disruptions."
"The tool’s licensing costs depend on the customers."
"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."
"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."
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Top Industries

By visitors reading reviews
No data available
Outsourcing Company
10%
Financial Services Firm
10%
Construction Company
9%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business14
Midsize Enterprise7
Large Enterprise11
 

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: September 2026.
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