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Antivirus for Amazon S3 vs Microsoft Exchange Online Protection (EOP) comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

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

ROI

Sentiment score
4.8
Antivirus for Amazon S3 improved security, efficiency, trust, and compliance, while delivering significant ROI and long-term resource optimization.
Sentiment score
5.9
Microsoft Exchange Online Protection effectively enhances email security, productivity, and cost-efficiency compared to rivals like AppRiver and Trend.
I have definitely seen a return on investment with Antivirus for Amazon S3, including fewer employees needed and time saved.
DevOps Engineer at a tech vendor with 1,001-5,000 employees
The price of security is really significant, as if you do not have security, the cost of it is much greater than the cost of you actually doing it.
Cloud Ops Lead at a tech vendor with 10,001+ employees
The return on investment for Antivirus for Amazon S3 is strong because it reduces security risk and eliminates the need for custom infrastructure.
FullStack Developer at EnactOn Technologies
 

Customer Service

Sentiment score
4.6
The exceptional Amazon S3 antivirus customer service offers quick issue resolution, strong integration support, and globally reliable assistance.
Sentiment score
6.4
Microsoft Exchange Online Protection support receives mixed reviews, with response times varying based on issue complexity and service level.
We could contact their expert when required while setting it up.
Senior Manager at Deloitte
We have a golden standard and receive immediate support responses whenever we have any issues.
DevOps Engineer at a tech vendor with 1,001-5,000 employees
Customer support for Antivirus for Amazon S3 gets a ten out of ten.
Cloud Ops Lead at a tech vendor with 10,001+ employees
If I had to rate the support I received on a scale of ten, I would give it a ten because he went way beyond what was expected for me.
Business Process Manager/ Educational Technologist at a educational organization with 1,001-5,000 employees
Microsoft offers excellent 24/7 support.
System Administrator at Shubham housing finance
My team is able to get the help they need when necessary.
General Manager at Ambient iT
 

Scalability Issues

Sentiment score
5.1
Amazon S3 Antivirus offers efficient scalability, robust performance across regions, and handles high data volumes with occasional extreme volume challenges.
Sentiment score
7.6
Microsoft Exchange Online Protection efficiently scales from small businesses to large enterprises, offering seamless cloud migration and regular updates.
Antivirus for Amazon S3's scalability is impressive as it was able to scan one TB plus 10 TB of data easily.
DevOps Engineer at a tech vendor with 1,001-5,000 employees
For scalability metrics, we have implemented security measures to handle spikes in uploads without additional operational overhead.
configuration and management deployment at a tech vendor with 10,001+ employees
The scanning process remained consistent with no noticeable delays, even when handling thousands of files in a short time window.
Assistant Professor, Technical Trainer at DIEMS Chh.Sambhajinagar
 

Stability Issues

Sentiment score
8.2
Amazon S3 Antivirus offers exceptional stability with seamless high-load performance, no downtime, and smooth updates, enhancing security environments.
Sentiment score
7.7
Microsoft Exchange Online Protection is reliable and stable, with rare security incidents, benefiting from good maintenance and occasional third-party support.
Due to a major malfunction, the system may become entirely inaccessible until a full reboot is performed.
configuration and management deployment at a tech vendor with 10,001+ employees
In terms of performance, overall functionality, and features, it is very stable in terms of deployment and taking updates.
Cyber Security Senior Specialist at a tech vendor with 10,001+ employees
Antivirus for Amazon S3 is very stable, especially AWS-managed solutions.
FullStack Developer at EnactOn Technologies
 

Room For Improvement

Antivirus for Amazon S3 needs better large file handling, AWS integration, error diagnostics, and automation for improved functionality.
Microsoft Exchange Online Protection needs improved flexibility, security, user experience, intuitive interface, pricing, support, and integration with other platforms.
Allowing us to configure an entire loop from detecting a malicious upload to contacting the uploader and taking corrective action.
Senior Manager at Deloitte
Overall, Antivirus for Amazon S3 is reliable and effective for securing S3 environments.
Team Lead, Technical Content Security at Valuepoint Systems
Granular controls represent another area for improvement. The current scanning policies apply bucket-wide. More fine-grained controls, such as scanning only certain file types, prefixes, or user uploads, would reduce unnecessary scans and improve efficiency.
Assistant Professor, Technical Trainer at DIEMS Chh.Sambhajinagar
Improving the search process by allowing searches with different types of parameters and facilitating searches within emails would be advantageous.
General Manager at Ambient iT
The user interface of Microsoft Exchange Online Protection (EOP) has room for improvement.
Director at a tech services company with 11-50 employees
From an end-user point of view, I am quite happy with Microsoft Exchange Online Protection (EOP) because my favorite feature is the ease with which I can identify if an email is a phishing email or spam email.
Business Process Manager/ Educational Technologist at a educational organization with 1,001-5,000 employees
 

Setup Cost

Antivirus for Amazon S3 offers predictable and reasonable pricing with effective malware detection, appealing to enterprise buyers.
Microsoft Exchange Online Protection pricing is seen as generally high, but justified by security features and Microsoft's reputation.
Generally in this case, the more we consume, the better the pricing gets with time.
Sr. Enterprise Architect at a educational organization with 501-1,000 employees
Compared to traditional endpoint antivirus licensing, this approach saved us fifty thousand rupees annually in overhead.
Assistant Professor, Technical Trainer at DIEMS Chh.Sambhajinagar
This leads to an average of 200 to 300 notifications of malware per month globally, which gives us confidence that the antivirus is working.
Senior Manager at Deloitte
The pricing is reasonable.
General Manager at Ambient iT
Microsoft Exchange is more expensive compared to other services like Gmail.
System Administrator at Shubham housing finance
I find the price of Microsoft Exchange Online Protection (EOP) to be fairly reasonable, and I have no problems with it.
Director at a tech services company with 11-50 employees
 

Valuable Features

Antivirus for Amazon S3 offers robust malware protection, enhancing security, efficiency, and compliance with seamless AWS integration.
Microsoft Exchange Online Protection offers robust security features including anti-spam, anti-phishing, malware protection, scalability, and seamless Windows integration.
It adds an essential security layer for S3-based workflows which may be subject to malicious attacks and protects the overall infrastructure.
Dev Ops Engineer at a construction company with 11-50 employees
The fact that the scanning occurs within the AWS account means data never leaves your AWS account, which is also a good security feature.
Cloud Ops Lead at a tech vendor with 10,001+ employees
Event-driven scanning stands out because it makes the entire workflow real-time and automatic.
configuration and management deployment at a tech vendor with 10,001+ employees
We've benefited from the anti-phishing features of Microsoft Exchange Online Protection (EOP), as it has been quite accurate and has eliminated most of our phishing emails, making it really impressive.
Director at a tech services company with 11-50 employees
The security features provided by Microsoft are robust.
General Manager at Ambient iT
It offers more features and better security, making it the best option for corporate environments.
System Administrator at Shubham housing finance
 

Categories and Ranking

Antivirus for Amazon S3
Ranking in Anti-Malware Tools
9th
Average Rating
8.4
Reviews Sentiment
5.2
Number of Reviews
16
Ranking in other categories
No ranking in other categories
Microsoft Exchange Online P...
Ranking in Anti-Malware Tools
14th
Average Rating
8.2
Reviews Sentiment
6.6
Number of Reviews
42
Ranking in other categories
Email Security (7th)
 

Mindshare comparison

As of May 2026, in the Anti-Malware Tools category, the mindshare of Antivirus for Amazon S3 is 0.6%, up from 0.4% compared to the previous year. The mindshare of Microsoft Exchange Online Protection (EOP) is 1.2%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Anti-Malware Tools Mindshare Distribution
ProductMindshare (%)
Antivirus for Amazon S30.6%
Microsoft Exchange Online Protection (EOP)1.2%
Other98.2%
Anti-Malware Tools
 

Featured Reviews

Kalpesh Potghante - PeerSpot reviewer
Senior Manager at Deloitte
Secure file sharing has protected global storage and improves confidence with external partners
The best features Antivirus for Amazon S3 offers include that it is really a built-in feature which is really great, as you don't have to do anything extra, there's no operational complexity or cost overhead associated with it, and because it's a managed solution, it's easy for us to configure policies as S3 buckets are created globally and make sure they have the necessary virus protection as needed. The simplicity and ease of policy configuration have helped my team day-to-day because, as it is part of the AWS ecosystem, I don't need to really hire a separate skill set to configure this service, and moreover, if I use the console, all the features are available to me at a click, and I can also programmatically control it, making configuring the antivirus part of setting S3 objects rather than setting up a separate service altogether on top of S3.
NancyHartman - PeerSpot reviewer
Business Process Manager/ Educational Technologist at a educational organization with 1,001-5,000 employees
Layered email security has protected sensitive research and still flags phishing in real time
The valuable features of Microsoft Exchange Online Protection (EOP) include providing an additional layer of protection, as it builds on the basic Exchange level of security that allows us to get our work done. Another feature I appreciate is the ability to question things, as our Exchange server allows us to identify in real-time if an email is a phishing email or spam email. It really helps us identify risks, especially through our external exchanges via email or through our cloud-based platforms. Our Exchange system blocks any embedded AI from all our applications and products, so we cannot use embedded AI in our daily work from our official laptops because we have secure information. The system is quite locked down.
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Top Industries

By visitors reading reviews
Construction Company
25%
Manufacturing Company
12%
Financial Services Firm
9%
Comms Service Provider
8%
Financial Services Firm
11%
Manufacturing Company
9%
Computer Software Company
9%
Comms Service Provider
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise1
Large Enterprise9
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise7
Large Enterprise11
 

Questions from the Community

What is your experience regarding pricing and costs for Antivirus for Amazon S3?
The deployment and the pricing are very good. I take the services for a longer time period, so the vendor worked in an easy and cooperative way in deployment.
What needs improvement with Antivirus for Amazon S3?
I would definitely say that if the solution gets updated on a day-to-day basis so that the cloud signature gets updated for all AWS account holders during the scanning, and if the deployment of upd...
What is your primary use case for Antivirus for Amazon S3?
My primary use case for Antivirus for Amazon S3 is protecting the data and files stored in the S3 bucket from malware or viruses. The solution scans the files to ensure they are safe.Antivirus for ...
What needs improvement with Microsoft Exchange Online Protection?
From an end-user point of view, I am quite happy with Microsoft Exchange Online Protection (EOP) because my favorite feature is the ease with which I can identify if an email is a phishing email or...
What is your primary use case for Microsoft Exchange Online Protection?
Microsoft Exchange Online Protection (EOP) serves as the main use case for my company because, as a research company, we require a very high level of security. We use multiple authentication method...
What advice do you have for others considering Microsoft Exchange Online Protection?
My experience with Microsoft Exchange Online Protection (EOP) is from an end-user perspective, and I do not have admin management experience. I am not familiar with the Advanced Threat Protection f...
 

Also Known As

No data available
Microsoft EOP, MS Exchange Online Protection
 

Overview

Find out what your peers are saying about Antivirus for Amazon S3 vs. Microsoft Exchange Online Protection (EOP) and other solutions. Updated: April 2026.
894,738 professionals have used our research since 2012.