Microsoft Defender for Office 365 vs. Mimecast Advanced Email Security

Overview
ProductRatingMost Used ByProduct SummaryStarting Price
Microsoft Defender for Office 365
Score 8.8 out of 10
N/A
Microsoft Defender for Office 365 is a security solution used to protect Office 365 against advanced threats, such as phishing and business email compromise. It helps prevent volume-based and targeted attacks, including business email compromise, credential phishing, ransomware, and advanced malware with a robust filtering stack, as well as to detect malicious and suspicious content like links and files across Office 365.N/A
Mimecast Advanced Email Security
Score 8.6 out of 10
N/A
The Mimecast Secure Email Gateway is a messaging security option with anti-spam / anti-malware, data loss prevention, large file send, and other features, from UK company Mimecast.N/A
Pricing
Microsoft Defender for Office 365Mimecast Advanced Email Security
Editions & Modules
No answers on this topic
No answers on this topic
Offerings
Pricing Offerings
Microsoft Defender for Office 365Mimecast Advanced Email Security
Free Trial
NoYes
Free/Freemium Version
NoNo
Premium Consulting/Integration Services
NoNo
Entry-level Setup FeeNo setup feeNo setup fee
Additional Details
More Pricing Information
Community Pulse
Microsoft Defender for Office 365Mimecast Advanced Email Security
Features
Microsoft Defender for Office 365Mimecast Advanced Email Security
Secure Email Gateway
Comparison of Secure Email Gateway features of Product A and Product B
Microsoft Defender for Office 365
-
Ratings
Mimecast Advanced Email Security
8.0
Ratings
4% below category average
Anti-malware00 Ratings8.50 Ratings
Customizability00 Ratings8.50 Ratings
Data Loss Protection00 Ratings6.50 Ratings
Threat Detection00 Ratings8.40 Ratings
Sandboxing00 Ratings8.00 Ratings
End-to-End Encryption00 Ratings8.50 Ratings
Management Tools00 Ratings7.70 Ratings
Best Alternatives
Microsoft Defender for Office 365Mimecast Advanced Email Security
Small Businesses
Sophos Email
Sophos Email
Score 7.5 out of 10
Zoho Mail
Zoho Mail
Score 9.3 out of 10
Medium-sized Companies
Avanan
Avanan
Score 9.4 out of 10
Avanan
Avanan
Score 9.4 out of 10
Enterprises
Avanan
Avanan
Score 9.4 out of 10
Avanan
Avanan
Score 9.4 out of 10
All AlternativesView all alternativesView all alternatives
User Ratings
Microsoft Defender for Office 365Mimecast Advanced Email Security
Likelihood to Recommend
8.6
(0 ratings)
8.5
(0 ratings)
Likelihood to Renew
-
(0 ratings)
8.7
(0 ratings)
Usability
8.0
(0 ratings)
8.2
(0 ratings)
Availability
-
(0 ratings)
8.0
(0 ratings)
Performance
-
(0 ratings)
8.0
(0 ratings)
Support Rating
-
(0 ratings)
6.0
(0 ratings)
Implementation Rating
-
(0 ratings)
10.0
(0 ratings)
Configurability
-
(0 ratings)
9.0
(0 ratings)
Ease of integration
-
(0 ratings)
8.8
(0 ratings)
Product Scalability
-
(0 ratings)
9.0
(0 ratings)
Vendor post-sale
-
(0 ratings)
8.0
(0 ratings)
Vendor pre-sale
-
(0 ratings)
8.0
(0 ratings)
User Testimonials
Microsoft Defender for Office 365Mimecast Advanced Email Security
Likelihood to Recommend
It's well suited for our physical deployment of remote people and sort of a SaaS company. It exists in cyberspace, so that's really very constructive. Where it's not, these sort of very specific data sets and sort of identity protection for customers, it's not as useful and it may not be one of its core purposes, but we're trying to use it for that as well.
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Mimecast's advanced email security remains the number one security tool available for any organization. You will be ahead of the game before anything gets in and users start clicking. Users are often the ones who can disclose sensitive data and compromise the organization and its brand.
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Pros
  • I mean, Microsoft is a good tool. It's a good and helpful solution, and we leverage on all of their capabilities, I would say.
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  • Simplicity: Once set up, Mimecast Advanced Email Security is easy to use, intuitive, and simple. This reduces onboarding time with new employees.
  • Robust Audit Trail: Being able to see what happened with specific emails, why things happened, and who was responsible for them helps to reduce troubleshooting time as well as improving overall email observability.
  • Clean Interface: Mimecast Advanced Email Security is a Swiss-Army-Knife of email security. There are many different configurations and complex rules that can be implemented. To make this manageable Mimecast Advanced Email Security has implemented a simple and clean UI. Being able to favorite commonly used features makes a huge difference in usability.
  • Simple SSO Integration: This seems like a no-brainer, but its odd to see how many SaaS products either don't support SSO, or make it so complicated and convoluted that setup and maintenance becomes a fully time job.
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Cons
  • I think it needs to be tuned correctly. For example, afterwards I tried to go in and print once after the implementation was done, I went in and tried to print a file or export a document. Just not possible, which just means it's great, works really well, but it also means that you have to tune your data categorization very carefully.
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  • I would like to see some additional improvement around the attachment protection, specifically what may be getting caught and what types of files are attempting to be delivered via email by impersonators.
  • The Targeted Threat Protection is a great product, and I wish there was a dashboard for this service where we could easily see the types of emails and/or links that have been caught as part of the protection module that could be shared with executives.
  • Finally, I feel that the phishing protection is great and honestly don't believe there should be much improvement needed there.
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Likelihood to Renew
No answers on this topic
I gave a 9/10 rating because with the 1 limited resources needs a bit of experience to work on the dashboard, and then Strong protection policies, reliable email continuity and proactive threat intelligence.
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Usability
No answers on this topic
As an admin it's fine, the console has some slightly annoying quirks (having to to go all the way back to the top when making changes rather than being able to just go up one level for example) and the object orientated nature of it takes some getting your head around how it thinks. But generally speaking it's decent enough once you've used it for a couple of hours
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Reliability and Availability
No answers on this topic
Overall, it's very good, but I do remember a few times in the past year we have seen some availability issues.
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Performance
No answers on this topic
Pages need to consistently load quickly. Sometimes good, sometimes not.
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Support Rating
No answers on this topic
When calling them you get best in the world customer services but as previously mentioned their online community and capabilities are a bit lacking. They want you to log into their portal to see updates on issues (vs. using a public facing service) and I rarely find the answers to my issues in electronic format. Their online presence is only helpful with the simplest of issues.
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In-Person Training
No answers on this topic
We did not have in-person training. All was done through meetings and on phone.
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Online Training
No answers on this topic
Training was good from Mimecast as well as the Mimecast knowledgebase.
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Implementation Rating
No answers on this topic
Easy to set up and configure, but did have Mimecast assistance.
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Alternatives Considered
They are not entirely in the same category, or have the same functionality, but before we had Microsoft Defender for Office 365, the only security we had was in the form of Zscaler products, and filtering and inspection, etc done by our service provider which was Orange Business Services at that point in time. However, I'm sure this stacks up very nicely amongst the others out there.
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Mimecast Advanced Email Security is FAR superior. Sophos practically gave us the email for free and we still didn't want it. Sophos also does not do both Gateway and API properly. Mimecast Advanced Email Security's AI-Powered net is next level.
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Scalability
No answers on this topic
The solution continues to grow and add features.
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Return on Investment
  • It has been a positive impact on the ROI. When we moved to being a remote-first company, it has give us all the positive return of investment of anything that we have put in the product for employees working across the world during Covid times. It has helped us achieve those results seamlessly.
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  • We've had to beef up training and other email security tools because we get too many spam and phishing emails still with Mimecast Advanced Email Security in place. This is costing us at least an extra 15% annually in staff time and tooling than it should.
  • We have been pleased with data loss prevention with Mimecast Advanced Email Security, it does identify PII and auto-encrypts emails with PII effectively.
  • It does have the ability to integrate with other security tools via API, which is beneficial.
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ScreenShots

Microsoft Defender for Office 365 Screenshots

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