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Avanan vs Cisco Secure Email comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Apr 20, 2025

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
7.4
Users found Microsoft Defender for Office 365 cost-effective, citing improved protection, time efficiency, and savings in security management.
Sentiment score
8.4
Avanan improved email security, reduced phishing, increased user trust, enhanced mobile protection, and boosted ROI and revenue growth.
Sentiment score
6.7
Cisco Secure Email enhances security, reduces costs, and boosts productivity, providing ROI similar to preventive insurance against breaches.
It has also decreased our time to detection and response by about 15 to 20 percent.
 

Customer Service

Sentiment score
6.9
Microsoft Defender for Office 365 offers knowledgeable support, though escalation delays and outdated documentation can affect resolution speed.
Sentiment score
8.1
Avanan's customer service is highly responsive, professional, and proactive, with excellent communication and extensive support staff knowledge.
Sentiment score
7.3
Cisco Secure Email is praised for its knowledgeable, proactive support with quick resolutions, despite occasional delays for some users.
Any issues are addressed quickly by Microsoft's support.
Customer service and support have been fantastic.
Cisco's tech support can be hit or miss, depending on the engineer you get.
The support is pretty decent, with a rating of eight out of ten.
 

Scalability Issues

Sentiment score
8.1
Microsoft Defender for Office 365 is scalable, adaptable, and integrates seamlessly, supporting medium to large enterprises efficiently.
Sentiment score
8.2
Avanan integrates with Office 365 and Google, praised for scalability, admin capabilities, and efficient email protection across diverse organizations.
Sentiment score
7.4
Cisco Secure Email excels in scalability, supporting large enterprises seamlessly, with minor hardware challenges noted by some users.
We have never faced scalability problems, and Microsoft manages it effectively.
The on-premises hardware is not very scalable, but switching to the SaaS offering is expected to improve scalability.
 

Stability Issues

Sentiment score
7.8
Microsoft Defender for Office 365 is highly rated for stability, featuring strong performance and rare minor network issues.
Sentiment score
8.5
Avanan is highly praised for its stability, efficiency, security, minimal maintenance, seamless Microsoft 365 integration, and reliable AI-based scanning.
Sentiment score
8.1
Cisco Secure Email is praised for reliability, stability, and efficiency, outperforming rivals with minimal issues and high user ratings.
The solution is stable, as we have been using it for the past two years.
Based on my experience, the stability of Cisco Secure Email is very strong.
 

Room For Improvement

Microsoft Defender for Office 365 requires improvements in antivirus, scalability, integration, interface, threat intelligence, and licensing transparency.
Users feel Avanan needs improvements in Active Directory dependency, email quarantining, AI logic, training, UI, performance, pricing, mobile app, and integrations.
Cisco Secure Email needs UI improvements, simplified pricing and deployment, enhanced features, and streamlined management for better user experience.
The main area for improvement is simplifying the implementation and rollout process.
Microsoft could improve by offering recommendations for domain spoofing attacks, especially scenarios where DNS records like SPF, DKIM, and DMARC are not properly published.
I would reduce the cost.
The solution should better analyze the actual content rather than only focusing on the email header or origin.
It would be beneficial to have the functionality of the Email Threat Defense integrated into the Email Security Gateway so customers don't have to buy two products for full email protection.
 

Setup Cost

Microsoft Defender for Office 365 pricing varies; often costly for SMBs but competitive for enterprises, with added licensing complexities.
Avanan provides flexible pricing for Office 365, with straightforward setup and costs between $4 to $8 per user.
Cisco Secure Email offers robust features and value, with prices varying based on services, usage, and licensing complexity.
Money-wise, it is a part of the Office 365 suite, making it slightly more expensive compared to Trend Micro.
Microsoft is quite affordable with a lot of features available for any size organization.
Its cost is bundled with other Cisco products.
The licensing is a mess and needs sorting out.
The pricing structure is good as it is user-based or email client-based, which is positive for clients.
 

Valuable Features

Microsoft Defender for Office 365 provides comprehensive email protection with seamless Microsoft integration, enhancing threat management and data security.
Avanan provides advanced malware and phishing detection, 24/7 cloud protection, easy integration with Microsoft 365, and ensures secure communications.
Cisco Secure Email offers strong spam and malware protection, seamless Active Directory integration, and customizable security features for effective threat management.
It provides end-to-end visibility on email threats such as phishing, extending beyond Exchange Online Protection.
It ranks the threats and allows us to prioritize those hitting us the hardest, such as email threats.
Microsoft Defender for Office 365 is now part of a centralized tenant for my entire group.
It also possesses multiple modules for spam detection, malware detection, and threat intelligence, which are valuable in categorizing emails and determining actions.
It is highly effective in catching phishing and spam emails.
It covers everything through email, like antivirus, IDS, and IPS.
 

Categories and Ranking

Microsoft Defender for Offi...
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Ranking in Email Security
1st
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
49
Ranking in other categories
Advanced Threat Protection (ATP) (1st), Microsoft Security Suite (11th)
Avanan
Ranking in Email Security
14th
Average Rating
9.2
Reviews Sentiment
7.8
Number of Reviews
19
Ranking in other categories
Data Loss Prevention (DLP) (17th)
Cisco Secure Email
Ranking in Email Security
2nd
Average Rating
8.4
Reviews Sentiment
7.0
Number of Reviews
62
Ranking in other categories
Cisco Security Portfolio (8th)
 

Mindshare comparison

As of April 2025, in the Email Security category, the mindshare of Microsoft Defender for Office 365 is 13.1%, down from 19.0% compared to the previous year. The mindshare of Avanan is 4.0%, up from 3.5% compared to the previous year. The mindshare of Cisco Secure Email is 6.7%, down from 8.7% 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.
Robert Melendez - PeerSpot reviewer
Enhances email security and has a very simple and easy-to-use UI
Spam protection is the most valuable feature. We have implemented the tool to enhance our email security. It helps prevent phishing attacks. The anomaly detection capabilities are baked into the security platform. The product integrates wonderfully with Microsoft 365. It's built right on a cloud platform and works almost natively. The solution has a very simple and easy-to-use UI. The tool appears extremely powerful and has a good solid feature set. It catches things that are bad for my environment. The user interface is good the way it is. If the solution continues down that path, I see no problems with the way it is going. It feels like a mature product.
Kostas Karidas - PeerSpot reviewer
Helps prevent security breaches but fails to improve in the area of AI
I have not noticed any impressive advanced threat protection mechanisms in the tool. I don't know if there are any AI features in the product. I don't know if there is any other technology embedded in the solution. Cisco Secure Email successfully mitigated potential email threats. My company has seen plenty of scenarios where Cisco Secure Email successfully mitigated potential email threats, spam emails, and fraudulent domains. The product is good for dealing with spam emails, and it can take care of more than 100 spam emails per day. A huge number of spam emails are monitored with the help of Cisco Secure Email. I would not recommend the product to other businesses because you need to have some kind of expertise in configuring and knowing a bit about the tool's GUI. The tool also lacks in the area of AI mechanics. If I would like to have an overview and review another solution, I would go for another product other than Cisco Secure Email. I can definitely suggest others to look at the product and review it, but I would also recommend that they compare it with the other solutions in the market. I wouldn't prioritize Cisco Secure Email over other tools. Either the support partner of the product or I take care of the tool's maintenance phase by looking into the configurations and doing some fine-tuning. I rate the tool a seven to eight out of ten.
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
9%
Manufacturing Company
8%
Government
6%
Educational Organization
36%
Computer Software Company
11%
Manufacturing Company
6%
Financial Services Firm
5%
Educational Organization
34%
Computer Software Company
16%
Financial Services Firm
7%
Manufacturing Company
4%
 

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 variou...
What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
Money-wise, it is a part of the Office 365 ( /products/office-365-reviews ) suite, making it slightly more expensive ...
What needs improvement with Microsoft Defender for Office 365?
The main area for improvement is simplifying the implementation and rollout process. There are many conditions to be ...
What do you like most about Avanan?
Spam protection is the most valuable feature.
What needs improvement with Avanan?
Avanan doesn't cover certain tool segments. Barracuda provides backup and retention of emails and Microsoft 365’s bac...
What do you like most about Cisco Secure Email?
Cisco Secure Email is a budget-friendly solution.
What is your experience regarding pricing and costs for Cisco Secure Email?
The pricing structure is good as it is user-based or email client-based, which is positive for clients.
What needs improvement with Cisco Secure Email?
The user interface of the Email Security Gateway ( /products/security-gateway-reviews ) should be improved. It would ...
 

Also Known As

MS Defender for Office 365
No data available
Cisco Email Security, IronPort, Cisco Email Security, ESA, Email Security Appliances
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Bethel School District, ServiceSource, Capital Caring
SUNY Old Westbury, CoxHealth, City of Fullerton, Indra
Find out what your peers are saying about Avanan vs. Cisco Secure Email and other solutions. Updated: April 2025.
848,716 professionals have used our research since 2012.