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Trend Micro Deep Discovery vs Zscaler Cloud IPS comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 19, 2024

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

Trend Micro Deep Discovery
Ranking in Intrusion Detection and Prevention Software (IDPS)
7th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
27
Ranking in other categories
Advanced Threat Protection (ATP) (17th), Network Detection and Response (NDR) (7th)
Zscaler Cloud IPS
Ranking in Intrusion Detection and Prevention Software (IDPS)
22nd
Average Rating
9.0
Reviews Sentiment
6.8
Number of Reviews
5
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the Intrusion Detection and Prevention Software (IDPS) category, the mindshare of Trend Micro Deep Discovery is 3.8%, down from 4.8% compared to the previous year. The mindshare of Zscaler Cloud IPS is 1.3%, up from 0.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Intrusion Detection and Prevention Software (IDPS) Market Share Distribution
ProductMarket Share (%)
Trend Micro Deep Discovery3.8%
Zscaler Cloud IPS1.3%
Other94.9%
Intrusion Detection and Prevention Software (IDPS)
 

Featured Reviews

Vladimir Alexandrov - PeerSpot reviewer
Enhanced threat detection through superior sandboxing capabilities with competitive pricing
With Trend Micro Deep Discovery, our enterprise clients can identify forgotten or unmanaged network segments, thereby mitigating unexpected network actions such as outdated antivirus software operations. When under attack, such as with ransomware, it allows us to identify the attack vector and disable it. It also assists in security audits required to prove certain network security measures.
Atdhe Zyhranaj - PeerSpot reviewer
It allows for a separation between cloud applications and URL filtering
We recently had a significant issue with Zscaler. I think they have too many customers and some of their connection edge nodes went down because there were too many requests. I think they aren't scaling enough to keep up with the demand in some areas. That's one thing they should improve.

Quotes from Members

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

Pros

"It is a very good solution. It is very light, and it is quite quick to figure out the problem in your network."
"The most valuable feature of Trend Micro Deep Discovery is its complete end-to-end visibility of threats."
"Generally speaking, it just gives us a broad understanding of exactly what kind of threats occur. The submission point, analyzing point, and virtualization are within the environment that it supports. It helped us to improve our security levels and protect our internal network from any threats outside."
"The tool's stability and performance are good."
"The most valuable features are monitoring for advanced persistent threats, the system runs in a sandbox allowing for effective zero-day exploits management, and the Inspector has a built-in sandbox."
"The product's initial setup phase was not difficult."
"As a security product, managing threats is crucial for my clients."
"There is no downtime or server vulnerability with this solution."
"The initial setup process is easy."
"Cloud IPS integration is seamless, and it uses a Zero Trust model. It also simplifies overall user access management."
"The product's most valuable feature is complete SSL inspection."
"The initial setup is straightforward and easy in comparison with other solutions."
"The best feature is that Zscaler allows for a separation between cloud applications and URL filtering. For example, under the cloud application segment, I can bypass Microsoft Office 365 without the need to add URLs manually. It's one click, so that's handy."
 

Cons

"The solution needs improvement in terms of pricing."
"The scalability is sometimes limited."
"Additionally, better scanning capabilities for third-party applications would ensure comprehensive security without the need for exclusions."
"There are certain aspects of flexibility in the policies that should be added to Deep Discovery."
"I would like to see them create a rule where It could integrate with the network and start mitigating with auto-detection."
"Trend Micro can improve the pricing in general. There is nothing else they can add or improve in the solution."
"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."
"Some of the end users may not be technically proficient, so they occasionally face problems due to a lack of knowledge."
"We recently had a significant issue with Zscaler. I think they have too many customers and some of their connection edge nodes went down because there were too many requests. I think they aren't scaling enough to keep up with the demand in some areas. That's one thing they should improve."
"They have given limited free access for a year. Instead, they should increase the file size and give limited free access for around two months. It will allow engineers to evaluate the product."
"We encounter issues sharing IP addresses with other companies using the software."
"When it comes to scalability, the IPsec could be improved."
"There is always room for improvement."
 

Pricing and Cost Advice

"Overall, the price is good."
"Compared to its competitors, Trend Micro Deep Discovery is a little expensive."
"Trend Micro Deep Discovery is quite expensive compared to other endpoint security products."
"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 licensing cost is a bit pricey. We pay a yearly subscription."
"The tool’s licensing costs depend on the customers."
"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 are yearly. There are no additional costs associated with the product."
"The software has become more expensive at present."
"The product is not affordable for small and medium enterprises."
"Zscaler has so far been solely responsible for all the sales we have done with it, so it would be more suited than us to address any issues concerning the pricing."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Financial Services Firm
8%
Manufacturing Company
7%
Healthcare Company
7%
Manufacturing Company
15%
Healthcare Company
11%
Computer Software Company
9%
Financial Services Firm
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business14
Midsize Enterprise6
Large Enterprise9
No data available
 

Questions from the Community

What do you like most about Trend Micro Deep Discovery?
The tool's most valuable feature is its collaboration with other products. Integrating with other security products was simple and easy.
What is your experience regarding pricing and costs for Trend Micro Deep Discovery?
Trend Micro Deep Discovery is expensive compared to regular antivirus solutions, though it is competitively priced compared to similar products with advanced features.
What needs improvement with Trend Micro Deep Discovery?
The main issue is its high cost, which makes it difficult to sell. The technical support has declined in quality over the years. It is necessary for highly qualified partners to get better pre-qual...
What do you like most about Zscaler Cloud IPS?
The product's most valuable feature is complete SSL inspection.
What is your experience regarding pricing and costs for Zscaler Cloud IPS?
The product is not affordable for small and medium enterprises.
What needs improvement with Zscaler Cloud IPS?
They have given limited free access for a year. Instead, they should increase the file size and give limited free access for around two months. It will allow engineers to evaluate the product.
 

Also Known As

Trend Micro Deep Discovery Inspector, Trend Micro Deep Discovery Analyzer
No data available
 

Overview

 

Sample Customers

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
Zenith Live, Azure, Carlsberg Group
Find out what your peers are saying about Trend Micro Deep Discovery vs. Zscaler Cloud IPS and other solutions. Updated: September 2025.
868,787 professionals have used our research since 2012.