Compare FireEye Email Security vs. Microsoft Defender for Office 365

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Top Review
Find out what your peers are saying about FireEye Email Security vs. Microsoft Defender for Office 365 and other solutions. Updated: September 2021.
534,468 professionals have used our research since 2012.
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 features are Advanced Malware Protection, URL filtering, and of course Reputation Filtering.""It does a great job of preventing spam, malware, and ransomware. I can only go by what people have told me and what I've seen, but I have not seen spam in a year and a half to two years in my own company mailbox. And there are not a lot of catches where it's catching something that should have gotten through, either.""It has the ability to tell us, after an email has been delivered, where else it went, once it got inside. Maybe it's something we wanted it to stop and it didn't stop it, but it notified us later that it was something that it should have stopped. It can give us a trajectory of all the other places that it went internally and it can tell us what files were transferred as well.""Cisco Secure Email Cloud Gateway has allowed our users to be able to concentrate on the emails that they do receive. Previously, our users had to deal with nine million additional emails across the organization, which is nearly 1,000 emails per user to have to deal with a month. That's a massive amount for our staff to deal with and probably several hours of their time. We have a lot of clinical staff, being a hospital. We want to make our staff as productive as possible. By removing a lot of that spam and phishing type emails, this allows them to do their job.""There is a huge return compared to if we didn't have a gateway appliance, as far as blocking malicious emails.""The filtering is definitely better at catching both spam and malicious messages, and there's a lot of extremely granular ability for setting up rules. You can do it the way you want to. The Microsoft solution tends to be pretty limited in how it allows some of that to be done.""Anti-Spam and Advanced Malware Protection are the most valuable features... and we also have the option to block Zero-day attacks.""The solution is very configurable. It has enabled us to configure some specific filters to stop emails that general configurations didn't stop. It's a powerful solution. It can analyze a lot of emails simultaneously, with no problems of capacity or system load."

More Cisco Secure Email Pros »

"The solution's most valuable feature is its simplicity. It's very user-friendly.""The auto-remediation feature is valuable.""FireEye is good for malware depicting and security.""The product helps reduce the number of malicious emails reaching the user's inbox.""What I find most valuable with the solution is that it can integrate with cloud solutions, such as Google and Microsoft. Additionally, the solution is easy to use."

More FireEye Email Security Pros »

"The good part is that you don't have to configure it, which is very convenient.""Some of the valuable features on the email side are anti-phishing, anti-malware, and Safe Links.""Safe attachments, safe links, policies, and the ability to protect from zero-day threats are the most valuable features.""At the moment we are satisfied with this product. It's a stable, scalable, and resilient solution for us.""I would say that 90% of the spam and phishing attack emails get blocked right off the bat.""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."

More Microsoft Defender for Office 365 Pros »

Cons
"The reporting functionality needs to be improved.""Typically, in a phishing email, they try to use a name everybody's going to recognize, like the CEO's name or the CFO's name... With this appliance, the way it's designed at the moment, for us to really stop that with any level of confidence, we have to build a dictionary of all the names of the people we want it to check, and all the ways they could be spelled. My name would be in there as Phillip Collins, Phillip D. Collins, Phillip Dean Collins, Phil Collins, Phil D. Collins. There could be eight or 10 variations of my name that we'd have to put in the dictionary. There's no artificial intelligence to say "Phil Collins" could be all these other things, and to stop phishing from coming through in that way.""I would like more functionality and how to use it for Level 2 type staff. The biggest issue is it needs to be easier to use and navigate.""I use the search all the time. Sometimes, it is hard to search for things and things are hard to find. People come to me all the time, saying, "This email didn't get through." Then, I go searching and don't find it on the first search. You have to think about alternative searches. I don't know if there is an easier way that they could help to find things. I don't know how they could simplify it, because now everybody else is using the cloud and everything is coming from Office 365, or whatever. It is just not the same environment from years ago where everybody had their own server and you could search easier.""The interface is dated. It has looked pretty much the same for 15 years or so. It would be helpful to be able to do everything from one spot. The centralized quarantine and reporting are completely separate from policy administration.""The configuration UI should be made more intuitive. Currently, it takes a while to understand how to do the basic configurations.""They can do it better with web links, with the URLs. They have a technology called Outbreak but it doesn't work as well as we would like.""The UI is definitely one area of improvement because it doesn't match other interfaces and the navigation can be a little clunky."

More Cisco Secure Email Cons »

"The reporting aspect of the solution needs improvement.""The spam detection feature could be better.""If they want to be the primary or best solution, they need to have better email management features.""The solution needs better support.""I would like the solution to be able to automatically quarantine the malicious emails before getting to the user's mailbox and continue with regular email operations. This could result in the user clicking the email before the purge operation is completed."

More FireEye Email Security Cons »

"We need a separate license and we don't know how to get the license that is required.""There needs to be an improvement in integrating the product to work across multiple operating systems, and to have better support for non-Microsoft file types.""In some situations, it has not been able to pick impersonated emails having no attachments. Technical support definitely has a scope for improvement.""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.""The custom alerts have to improve a lot.""The visibility for the weaknesses in the system and unauthorized access can be improved."

More Microsoft Defender for Office 365 Cons »

Pricing and Cost Advice
"You're going to get what you pay for. If you're not willing to pay the price of Cisco, you're not going to get a product that's as good as Cisco. I don't think Cisco is overpriced, because for the last two years I've been comparing it to Microsoft and Cisco has been cheaper and given us more features.""In my previous organization, avoiding four instances of CryptoLocker within an estimated six month period is approximately $600,000 in lost time and effort. Our five year cost was about a million dollars, and the four outages that we had equated to 65 percent of that five year cost.""The licensing was all transferred.""Compared to Cisco's on-prem service, the cost is the same, but you don't have to pay for the hardware and you don't have to maintain the system, as far as upgrades and hardware failures are concerned. It is cheaper to operate on their cloud service than it is to operate with their on-prem service.""Cisco Secure Email and the support are priced well. It's not cheap, but there are other solutions that offer less and cost so much. For example, Microsoft is more expensive than Cisco.""There are additional fees for adding features.""At times, we feel the pricing is a bit too high, but then, there is also room for discounts. We enjoy a lot of discounts, and that is why we are still with them. There are no costs in addition to the standard licensing fees."

More Cisco Secure Email Pricing and Cost Advice »

"The solution requires a license to be purchased for every user."

More FireEye Email Security Pricing and Cost Advice »

"It's a user-base subscription.""From the pricing point of view, like any other product in the market, there is scope for negotiation.""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."

More Microsoft Defender for Office 365 Pricing and Cost Advice »

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Questions from the Community
Top Answer: It is doing its work. It is doing what it was actually designed to do. It has ensured we don't have business email… more »
Top Answer: At times, we feel the pricing is a bit too high, but then, there is also room for discounts. We enjoy a lot of… more »
Top Answer: The area of license renewal should be improved. We normally renew our license every year. There is a feature called… more »
Top Answer: FireEye is good for malware depicting and security.
Top Answer: If they want to be as primary or best solution, they need to have better email management features. SMTP handling is… more »
Top Answer: I used the solution as a secondary security assessment gateway.
Top Answer: The risk level notifications are most valuable. We get to know what kind of intrusion or attack is there, and we can fix… more »
Top Answer: The pricing is pretty good and was a major factor in choosing it. The pricing is reasonable when compared with Cisco or… more »
Top Answer: The visibility for the weaknesses in the system and unauthorized access can be improved. Its price should be improved… more »
Comparisons
Also Known As
Cisco Email Security, IronPort, Cisco Email Security, ESA, Email Security Appliances
MS Defender for Office 365
Learn More
Overview

Customers of all sizes face the same daunting challenge: email is simultaneously the most important business communication tool and the leading attack vector for security breaches. Cisco Email Security enables users to communicate securely and helps organizations combat Business Email Compromise (BEC), ransomware, advanced malware, phishing, spam, and data loss with a multilayered approach to security.

FireEye Email Security delivers dynamic defense to detect attacks from the very first time they're seen and blocks the most dangerous cyber threats including malware-laden attachments and URLs, credential phishing sites and business email compromise attacks. Email-borne cyber attacks are targeted, automated and hidden amongst millions of messages, easily morphing before signatures can be created.

Microsoft Defender for Office 365 protects all of Office 365 against advanced threats like business email compromise and credential phishing, and automatically investigates and remediates attacks. With Defender for O365 you get Integrated threat protection for all of Office 365 that gives you:

- Native protection for Office 365 with built-in protection that simplifies administration, lowers total cost of ownership, and boosts productivity.

- Unparalleled scale and effectiveness with powerful automated workflows to improve SecOps efficiency.

- A complete solution for collaboration that protects you from attacks across the kill chain.

To learn more about our solution, ask questions, and share feedback, join our Microsoft Security and Compliance Community.

Offer
Learn more about Cisco Secure Email
Learn more about FireEye Email Security
Learn more about Microsoft Defender for Office 365
Sample Customers
SUNY Old Westbury, CoxHealth, City of Fullerton, Indra
Northshore Utility District, Luz Technologies, Air Academy Federal Credit Union, Bank Gutmann, Bank of Thailand, Penn State Health Milton S. Hershey Medical Center, State of Missouri, City and County of San Francisco, Denver Public Schools, Vodafone, Go Auto, Stater Bros. Market
Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Top Industries
REVIEWERS
Energy/Utilities Company19%
Retailer14%
Manufacturing Company10%
Financial Services Firm10%
VISITORS READING REVIEWS
Comms Service Provider29%
Computer Software Company21%
Government6%
Financial Services Firm5%
VISITORS READING REVIEWS
Computer Software Company27%
Comms Service Provider22%
Government10%
Financial Services Firm8%
VISITORS READING REVIEWS
Computer Software Company26%
Comms Service Provider24%
Government6%
Financial Services Firm5%
Company Size
REVIEWERS
Small Business34%
Midsize Enterprise24%
Large Enterprise41%
VISITORS READING REVIEWS
Small Business7%
Midsize Enterprise27%
Large Enterprise66%
No Data Available
No Data Available
Find out what your peers are saying about FireEye Email Security vs. Microsoft Defender for Office 365 and other solutions. Updated: September 2021.
534,468 professionals have used our research since 2012.

FireEye Email Security is ranked 12th in Email Security with 5 reviews while Microsoft Defender for Office 365 is ranked 6th in Email Security with 6 reviews. FireEye Email Security is rated 7.8, while Microsoft Defender for Office 365 is rated 8.4. The top reviewer of FireEye Email Security writes "Easy to set up with good stability and great anti-spam features". On the other hand, the top reviewer of Microsoft Defender for Office 365 writes "Essential security capabilities, plenty of email protection, and enhanced data loss prevention". FireEye Email Security is most compared with Microsoft Exchange Online Protection, Fortinet FortiMail, DMARC Compass, Forcepoint Email Security and Symantec Messaging Gateway, whereas Microsoft Defender for Office 365 is most compared with Mimecast Email Security with Targeted Threat Protection, Proofpoint Email Protection, Microsoft Exchange Online Protection and Barracuda Email Security Gateway. See our FireEye Email Security vs. Microsoft Defender for Office 365 report.

See our list of best Email Security vendors.

We monitor all Email Security reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.