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Hornetsecurity 365 Total Protection vs Trend Micro Deep Discovery Email Inspector comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Dec 3, 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

Microsoft Defender for Offi...
Sponsored
Ranking in Email Security
1st
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
Email Archiving (1st), Advanced Threat Protection (ATP) (2nd), Microsoft Security Suite (10th), Secure Email Gateway (SEG) (1st)
Hornetsecurity 365 Total Pr...
Ranking in Email Security
21st
Average Rating
9.2
Reviews Sentiment
8.0
Number of Reviews
4
Ranking in other categories
Office 365 Protection (6th)
Trend Micro Deep Discovery ...
Ranking in Email Security
26th
Average Rating
7.8
Reviews Sentiment
7.1
Number of Reviews
8
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2025, in the Email Security category, the mindshare of Microsoft Defender for Office 365 is 12.6%, down from 17.6% compared to the previous year. The mindshare of Hornetsecurity 365 Total Protection is 1.5%, up from 1.0% compared to the previous year. The mindshare of Trend Micro Deep Discovery Email Inspector is 0.4%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security
 

Featured Reviews

Tolu Omolaja - PeerSpot reviewer
Great URL scanning and attachment scanning, but I would like more proactive threat analysis
The two main features that prove most beneficial for us are URL scanning and attachment scanning. URL scanning involves an automatic scan of links and emails. When a user clicks on a link within an email, the system promptly checks the link's safety. If the link is deemed safe, access is granted automatically. However, if it is flagged as unsafe, we receive feedback and notification to caution us about the potentially harmful link. At this point, we are presented with the option to proceed or return. I have personally witnessed the system identify a few unsafe links, making this the primary advantage of using the solution. The second crucial aspect is the scanning of attachments. When an email containing an attachment arrives, we receive a notification of the new email, along with information that the attachment is being scanned for threats. This additional layer of security provides peace of mind for our organization. While Microsoft Defender for Office 365 offers numerous features, these two stand out as particularly impressive and valuable to us.
Asif Usmani - PeerSpot reviewer
A stable product that provides security and control over spam and phishing emails
I have a lot of control over spam and phishing emails. I can monitor and manage it from Hornetsecurity’s console. The live tracking system is valuable. We can track every incoming and outgoing email live. We can decide whether to block, release, or quarantine emails. We can also review the emails before releasing them. The product provides 99.9% coverage for email security.
Bilal Saleem - PeerSpot reviewer
Reliability and threat intelligence make this solution competitive, but AI improvements can further enhance its effectiveness
The best features of Trend Micro Deep Discovery Email Inspector include its reliability. The second valuable feature is its built-in sandbox feature, allowing for inspection of incoming emails and attachments. The sandbox is an appliance that opens any attachment in an enclosed environment to assess its impact and potential for viruses. This protects the network from harmful threats. Trend Micro has a very large R&D team with excellent threat intel, allowing them to provide better solutions than some competitors. They understand emerging threats based on the information from their EDR. The key strengths can be summarized as reliability, a good integrated one-box solution that includes a sandbox, and their R&D capabilities and good ratings, which lead to better threat intelligence. The detailed threat intelligence provided by Trend Micro Deep Discovery Email Inspector is valuable in understanding the behavior and tactics of potential email threats.

Quotes from Members

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

Pros

"There are several features that I consider valuable."
"The deployment capability is a great feature."
"Some of the valuable features on the email side are anti-phishing, anti-malware, and Safe Links."
"Microsoft Defender for Office 365's most valuable feature is its performance."
"The email protection is excellent, especially in terms of anti-phishing policies."
"The most valuable feature of Microsoft Defender for Office 365 is data backups that we can provide through ticket requests."
"The most valuable aspect of Microsoft Defender for Office 365 is its ability to protect us from malware."
"Does a thorough job of examining email and URLs for malicious content."
"The best part is, I rarely have to access the portal as everything is set up and tweaked the way I wanted it. But the feature set is incredibly granular and allows for deep levels of customization."
"I have a lot of control over spam and phishing emails."
"Hornetsecurity 365 Total Protection is an easy-to-use solution."
"Backup and restore are precious features."
"I highly recommend Trend Micro Deep Discovery Email Inspector due to its security and scalability features."
"I find Trend Micro to be a good solution for security purposes."
"The best features of Trend Micro Deep Discovery Email Inspector include its reliability."
"Trend Micro is a very good product."
"It can effectively monitor outbound and inbound devices."
"I like that it is very user-friendly and easy to install."
"The most valuable feature of Trend Micro Deep Discovery Email Inspector is the simple analysis of phishing emails."
"The solution's most valuable features include visibility into the network and fast sandboxing technology for alerts, though response time can vary."
 

Cons

"One area for improvement is integration. For example, when it comes to external SaaS platforms, we were not able to get a lot of information on integrations with such apps for security and authentication."
"In the areas of improvement for Microsoft Defender for Office 365, the console is the biggest challenge for me."
"There is room for improvement in terms of reporting."
"Microsoft wants its well-paying customers to finish testing some of its half-baked products, find bugs, and report bugs back to Microsoft's team, which is a little frustrating for those who have to manage it and roll it up to thousands of people across the organization."
"You should be able to deploy Defender for every subscription without the need to add servers."
"Microsoft needs to broaden its global support presence by establishing teams of subject-matter experts in all regions."
"Sometimes, phishing emails manage to pass through the filter, so the system needs to enhance its phishing email detection capabilities."
"It would be better if it were more scalable. It depends on the architecture, but we would like to make it more scalable for both data centers."
"A reduction of 10% in pricing can be an improvement."
"The pricing is a little high compared to other products."
"The solution’s pricing is not reasonable."
"I guess I would say maybe quick access to training material for end-users. I know partners have access to this but I as an end-user do not have immediate access to new update information."
"The dashboard could be improved to match the quality of Check Point Harmony's dashboard."
"It could be more user-friendly, easier to install, and lighter on the network. I would say that for all products because you do not need technical expertise to take care of it. When you have a user-friendly solution, it makes it easier for the vendors or companies like us. We do not have to go to the client's site to attend to issues all the time. Because it is user-friendly, they can take care of it after some training."
"Trend Micro Deep Discovery Email Inspector could improve by making it easier to use. Microsoft solutions are easier to use."
"Trend Micro's technical support has room for improvement."
"The tool needs to incorporate faster response times for issue detection, more detailed reports, and better compatibility with older operating systems (e.g., Windows 7, 8, Server 2012)."
"The product's feature for message processing and blocking devices for bulk emails needs improvement."
"I would like to be able to send emails to a specific sandbox. This is a feature I would like to see added to the next release."
"To improve Trend Micro Deep Discovery Email Inspector, it should have updates with better AI and ML-based integration."
 

Pricing and Cost Advice

"The product is very expensive."
"The pricing is normal. Considering its popularity, it's not overpriced."
"The product is expensive."
"Defender is a little bit more expensive as compared to others. We are in the manufacturing environment. So, we don't have a high budget for all of our endpoint devices. Its cost is a major concern for us."
"I was working in the government and it was too expensive for us to use our Microsoft products."
"Microsoft Defender is expensive. I typically recommend it only if clients have the budget. Otherwise, I would suggest an alternative."
"The pricing has become expensive."
"Microsoft Defender for Office 365 is an add-on to the Office license. Many customers are purchasing this solution."
"The pricing is acceptable and falls into the medium range, neither cheap nor overly expensive."
"It's an expensive solution, and you may not see a return on investment in a short period of time. However, you will see a return over a long period of time."
"The solution's pricing is high, and I would rate it an eight out of ten."
"We pay for an annual subscription for this email security solution."
"The price of Trend Micro Deep Discovery Email Inspector is less expensive than Microsoft solutions."
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Use our free recommendation engine to learn which Email Security solutions are best for your needs.
858,469 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
9%
Manufacturing Company
8%
Government
6%
Computer Software Company
25%
Comms Service Provider
8%
Retailer
6%
Government
6%
Computer Software Company
14%
Financial Services Firm
13%
Performing Arts
9%
Media Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Microsoft Defender for Office 365?
Threat Explorer is an invaluable tool for me, and it plays a crucial role in helping me discern the origins of variou...
What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
Microsoft is quite affordable with a lot of features available for any size organization.
What needs improvement with Microsoft Defender for Office 365?
Microsoft could improve by offering recommendations for domain spoofing attacks, especially scenarios where DNS recor...
What do you like most about Hornetsecurity 365 Total Protection?
Hornetsecurity 365 Total Protection is an easy-to-use solution.
What is your experience regarding pricing and costs for Hornetsecurity 365 Total Protection?
The pricing is acceptable and falls into the medium range, neither cheap nor overly expensive.
What needs improvement with Hornetsecurity 365 Total Protection?
A reduction of 10% in pricing can be an improvement.
What is your experience regarding pricing and costs for Trend Micro Deep Discovery Email Inspector?
On the pricing side, Trend Micro Deep Discovery Email Inspector is not the cheapest, but it's not the highest either....
What needs improvement with Trend Micro Deep Discovery Email Inspector?
To improve Trend Micro Deep Discovery Email Inspector, it should have updates with better AI and ML-based integration...
 

Also Known As

MS Defender for Office 365
No data available
Deep Discovery Email Inspector
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
concordia, fraunhofer, mazars
Bank Saint Petersburg, CEITEC S.A., Dar Al-Handasah, Mitsubishi Electric Information Systems, Motilal Oswal Financial Services Ltd, OKWAVE, Oman Arab Bank, VakifBank
Find out what your peers are saying about Hornetsecurity 365 Total Protection vs. Trend Micro Deep Discovery Email Inspector and other solutions. Updated: June 2025.
858,469 professionals have used our research since 2012.