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Cisco Secure Email Threat Defense vs Webroot Advanced Email Encryption powered by Zix 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:
 

Categories and Ranking

Cisco Secure Email Threat D...
Average Rating
8.0
Reviews Sentiment
6.7
Number of Reviews
16
Ranking in other categories
Email Security (27th)
Webroot Advanced Email Encr...
Average Rating
7.0
Number of Reviews
1
Ranking in other categories
Secure Email Gateway (SEG) (15th)
 

Mindshare comparison

While both are Messaging and Collaboration solutions, they serve different purposes. Cisco Secure Email Threat Defense is designed for Email Security and holds a mindshare of 1.1%, up 0.9% compared to last year.
Webroot Advanced Email Encryption powered by Zix, on the other hand, focuses on Secure Email Gateway (SEG), holds 0.7% mindshare, down 1.1% since last year.
Email Security Market Share Distribution
ProductMarket Share (%)
Cisco Secure Email Threat Defense1.1%
Microsoft Defender for Office 36511.5%
Proofpoint Email Protection8.2%
Other79.2%
Email Security
Secure Email Gateway (SEG) Market Share Distribution
ProductMarket Share (%)
Webroot Advanced Email Encryption powered by Zix0.7%
Microsoft Defender for Office 36527.5%
Proofpoint Email Protection21.0%
Other50.8%
Secure Email Gateway (SEG)
 

Featured Reviews

Enrique-Diaz Jolly - PeerSpot reviewer
Provides comprehensive threat protection with suggestions for modernizing controls
I use the email gateway as the core of the email exchange between the Internet and our domain. The email gateway serves as the email exchanger The product offers protection, email security, anti-spam, and antivirus. It includes threat intelligence with advanced malware protection and many…
John Zupancic - PeerSpot reviewer
Inexpensive, with good email security, but the technical support could be improved
We don't have as many problems with email security. They have some areas that could be improved. For example, we also use this solution for email encryption, which was clunky and could be improved, but the email security itself has been excellent. The web interface works well but the Outlook plug-in has been problematic. We've had to uninstall/reinstall it. On some Outlook clients (including mine), it causes Outlook to stop responding. I disabled the Outlook plug-in and only use the web interface.

Quotes from Members

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

Pros

"The features and functionalities are much better than Microsoft's in-built Defender plan."
"The ability to see east-west traffic is its most valuable feature. Traditionally, email defense focuses on north-south, inbound-outbound, egress-ingress traffic. With Cisco Secure Email Cloud Mailbox, it's able to quickly identify, track, tag, and categorize emails that are internal. That can typically give us visibility into if there's an internal compromised account (for example). Someone can then use that internal compromised account to email additional accounts with either malicious software or links, but internal within that Office tenant. Effectively, that email message never leaves the tenant. Any of the mail gateways really do not have any method or way of seeing this traffic since it's not leaving the environment."
"I would say it's very comprehensive, with multiple antivirus OEMs, virus encrypt features, encryption, and more."
"The product offers protection, email security, anti-spam, and antivirus."
"On ease of use, it rates very high. It's something that I was able to get into without really looking at any documentation. I wanted to see what it felt like before I started looking at any documentation on how to use it, and it was very easy to use. It works very smoothly. The user experience is very intuitive. They did an amazing job on that."
"It has an efficient email filtering feature."
"This solution is easy to use."
"It's very easy to deploy and configure."
"They do a better job of determining what's real and what's not than most of the other solutions we have tried, and it's been very painless to use."
 

Cons

"The physical appliance has been discontinued, although the platform still exists."
"Cisco Secure Email Cloud Mailbox can improve by adding advanced phishing, then the solution would become the best in the market. However, this could increase the price even more. Additionally, if CES with domain protection could be added it would be an even better solution."
"We encounter issues while searching for missing emails."
"The pricing could always be better."
"The learning curve shows that in the beginning, there are numerous false positives. For one month, we had to reclassify the false positives manually until the system learned."
"The product's complexity at times results in redundant rule sets that are difficult to untangle, highlighting the need for streamlined management systems and a more user-centric approach to system configuration."
"Cisco's multiple product lines and verticals made this just one of their many verticals, and we could see a shift in focus."
"The search area has room for improvement. When you go to the next page, it remains at the bottom of the current page that you're on. Also, under the reports section, it allows you to see any "convictions," but if you want to search for those convictions you have to remember when they all came in and go back and edit the search accordingly. You cannot click on the list of convictions to actually see if you had a spike at a certain time."
"They have some areas that could be improved. For example, we also use this solution for email encryption, which was clunky and could be improved, but the email security itself has been excellent."
 

Pricing and Cost Advice

"Cisco Secure Email Cloud Mailbox does not have any competition with Sophos, Trend Micro, or other vendors of the world. However, there is a pricing premium for the solution. One has to look at it from that angle that while they are buying Cisco, there will be a premium, and Cisco justifies that premium value. That's why they're charging a high price."
"It is expensive compared to other vendors."
"The solution’s pricing is manageable."
"The feedback from vendors and customer is that it is expensive."
"In terms of pricing, I believe they provide excellent value."
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Top Industries

By visitors reading reviews
Computer Software Company
21%
Healthcare Company
8%
Government
7%
Financial Services Firm
6%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise6
Large Enterprise7
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Secure Email Threat Defense?
Comparatively with other products, the pricing of Cisco Secure Email Threat Defense is normal. As a technical guide, I am not very aware of the pricing details.
What needs improvement with Secure Email Threat Defense?
We have deployed Cisco Secure Email Threat Defense in two customer environments. It is still in development as a new product. Some customer requirements, such as sending logs to a Syslog server, ar...
What is your primary use case for Secure Email Threat Defense?
We are working with Cloud Mail Gateway and on-premise mail gateways. We have worked with Cisco Secure Email Threat Defense.
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Also Known As

Cisco Secure Email Cloud Mailbox, Cisco CMD, Cisco Cloud Mailbox Defense
Zix Email Encryption, ZixEncrypt
 

Overview

 

Sample Customers

Luiss University, Lone Star College, T-Systems, Magyar Telekom
Erie County of Pennsylvania’s Human Services Department, Justice Federal Credit Union, STAR Financial Group, Chisago County, Minn., The National Banks of Central Texas, Kentucky Retirement Systems (KRS), Frankfort, Ky, Athletico Physical Therapy, District of Columbia Retirement Board (DCRB), CIBM Bank
Find out what your peers are saying about Microsoft, Abnormal Security, Proofpoint and others in Email Security. Updated: August 2025.
868,229 professionals have used our research since 2012.