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Microsoft Defender for Office 365 vs Trellix Advanced Threat Defense comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 1, 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...
Ranking in Advanced Threat Protection (ATP)
1st
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
48
Ranking in other categories
Email Security (1st), Microsoft Security Suite (11th)
Trellix Advanced Threat Def...
Ranking in Advanced Threat Protection (ATP)
22nd
Average Rating
7.8
Reviews Sentiment
6.6
Number of Reviews
8
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2025, in the Advanced Threat Protection (ATP) category, the mindshare of Microsoft Defender for Office 365 is 9.2%, down from 15.0% compared to the previous year. The mindshare of Trellix Advanced Threat Defense is 1.7%, up from 1.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Advanced Threat Protection (ATP)
 

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.
HS
Easy to set up and use with a nice interface
The scalability could be better. We'd like them to be better at dealing with script threats. In sandboxing, the time to respond is slower than we would like. We'd like them to be able to process faster. For example, Fortinet, they are doing 18,000 files per hour. For Wildfire, it is elastic. It can support as many files as you get. McAfee doesn't react like that. It does not support interfaces with HTTPS.

Quotes from Members

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

Pros

"The most valuable aspect of Microsoft Defender for Office 365 is its ability to protect us from malware."
"Microsoft Defender for Office 365 facilitates efficient management and updates through the cloud. We do not have to worry about incompatibilities. It just works."
"It also gives me good visibility because, with Defender, I'm using a Microsoft product to defend Microsoft products. The integration was really seamless and I have wide visibility because it picks up almost everything. Literally, I can see almost every activity that happens, from the e-mail to the workstation itself."
"Microsoft Defender for Office 365's most valuable features are safe attachments and safe links."
"The basic features are okay and I'm satisfied with the Defender."
"The risk level notifications are most valuable. We get to know what kind of intrusion or attack is there, and we can fix a problem on time."
"We use Microsoft Defender for its ability to integrate with existing business technologies, which is beneficial for protecting business areas."
"The technical support is good and quick to resolve issues."
"I recommend this solution because of its ease of use."
"It stops in excess of twenty-five malware events per month, all of which could be critical to the business."
"Provides good exfiltration, and is an all-in-one product."
"The most valuable features are the administration console and its detection and response module."
"It is very scalable."
"Its greatest strength is the DXL client which can rapidly disseminate attack information to all clients via the McAfee Agent instead of going through the ePO server."
"It is stable and reliable."
 

Cons

"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."
"We noticed that from time to time, Microsoft's stability does have problems. Sometimes the service goes up and down. Sometimes they change without prior notice."
"Too many false positives and lacks an accurate capability to detect malicious SharePoint sites."
"In some situations, it has not been able to pick impersonated emails having no attachments. Technical support definitely has a scope for improvement."
"The visibility into threats is not up to the mark, as I do not have control. I rate my experience with Microsoft Defender for Office 365 as six out of ten due to troubleshooting and pricing concerns."
"Microsoft Defender for Office 365 must improve the overall management style, including the GUI. It also needs to change the filters so that it is easy to whitelist and blacklist data."
"The UI needs to be more user-friendly."
"We need to be able to whitelist data at the backend."
"I would like to see future versions of the solution incorporate artificial intelligence technology."
"Lacks remote capabilities not dependent on the internet."
"Make the ATD system a part of the whole product and take the whole thing onto the cloud. While it is there already, it is not to the same level as the on-premise version."
"The initial setup was industry standard complex. It takes awhile and has a lot of planning involved. It could be simplified with product redesign."
"There could be a tool that automatically updates all-new Microsoft IPs, which are available for free to connect to the client."
"This solution needs to be made "cloud ready"."
"We'd like them to be better at dealing with script threats."
 

Pricing and Cost Advice

"I know that the product is incredibly expensive."
"Compared to other brands, Microsoft Defender for Office 365's pricing is competitive."
"For large enterprise organizations, they can definitely afford it, but for small and medium organizations, they might struggle to cover the expenses."
"The product is very expensive."
"For licensing, it's usually a yearly package for customers who are subscribed to Office 365, but they can also pay on a monthly basis."
"The pricing has become expensive."
"I was working in the government and it was too expensive for us to use our Microsoft products."
"It is much more expensive than using another solution because we have had to include some options and upgrade our license."
"Our licensing fees for this solution are approximately one million dollars per year."
"The product is expensive, but it is better than the rest of them in the industry."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
9%
Manufacturing Company
8%
Government
6%
Financial Services Firm
17%
Government
15%
Computer Software Company
13%
Manufacturing Company
13%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

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 various email campaigns, pinpointing where they emanate from, and identifying the indi...
What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
I don't have detailed specifics on pricing, setup cost, or licensing.
What needs improvement with Microsoft Defender for Office 365?
I am generally satisfied with how it currently is. If I could improve anything, I would reduce the cost.
What do you like most about McAfee Advanced Threat Defense?
I recommend this solution because of its ease of use.
What needs improvement with McAfee Advanced Threat Defense?
There could be a tool that automatically updates all-new Microsoft IPs, which are available for free to connect to the client.
What is your primary use case for McAfee Advanced Threat Defense?
We use the solution for client management and security. We used the whole suite for client Firewall, antivirus, and everything provided by Trellix.
 

Also Known As

MS Defender for Office 365
McAfee Advanced Threat Defense
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
The Radicati Group, Florida International University, MGM Resorts International, County Durham andDarlington NHS Foundation Trust
Find out what your peers are saying about Microsoft Defender for Office 365 vs. Trellix Advanced Threat Defense and other solutions. Updated: March 2025.
845,040 professionals have used our research since 2012.