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Mimecast Insider Risk Management and Data Protection vs Zscaler Zero Trust Exchange Platform comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 11, 2026

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
7.5
Organizations find it challenging to quantify ROI from Mimecast but emphasize savings, security benefits, and reduced admin time.
Sentiment score
7.1
Zscaler Zero Trust Exchange Platform provides cost-effective security, enhancing visibility and stability, and outperforms previous setups like Fortinet.
When I see that I am trying to cut costs, for example, even when replacing Prisma, we have managed to save about over half a million dollars a year.
Cybersecurity Senior Program Manager at Dayforce
We don't have to purchase many components such as load balancers and proxy servers that were necessary in traditional setups.
Lead Engineer at FIS Global
 

Customer Service

Sentiment score
8.8
Mimecast Insider Risk Management's support is praised for quick, knowledgeable, and courteous service with proactive communication and minimal wait times.
Sentiment score
4.8
Zscaler Zero Trust Exchange Platform support is reliable with regional availability, receiving ratings 8-9, despite occasional delays.
They have provided the numbers and contact supports, and it is almost immediate.
Cybersecurity Senior Program Manager at Dayforce
Sometimes, support takes time since the solution has some bugs that need fixing.
architect at Tata Consultancy
 

Scalability Issues

Sentiment score
7.9
Mimecast offers smooth scalability and ease in license and storage expansion, with minimal difficulties across diverse environments.
Sentiment score
7.7
Zscaler Zero Trust Exchange offers scalable cloud integration, supports remote work, and maintains performance, despite occasional migration complexity.
The only limitation I was mentioning is that it was unable to identify the sources of vulnerability, which they are going to embed by the mid of this year.
Cybersecurity Senior Program Manager at Dayforce
 

Stability Issues

Sentiment score
7.8
Mimecast Insider Risk Management is stable and reliable, with minor issues typically linked to external factors or unsupported setups.
Sentiment score
7.8
Zscaler Zero Trust Exchange is stable, reliable, with swift support, despite rare latency issues, averaging high user ratings.
 

Room For Improvement

Mimecast's usability is hindered by limited reporting, confusing interface, Java dependency, and inadequate backup features and speed.
Zscaler Zero Trust Exchange struggles with performance, interface intuitiveness, scalability, and integration, while facing high costs and support criticism.
Zscaler Zero Trust Exchange Platform probably needs to be more efficient because scanning takes a lot of time.
Cybersecurity Senior Program Manager at Dayforce
They might be able to identify if something is missing with Zscaler.
architect at Tata Consultancy
 

Setup Cost

Mimecast offers scalable pricing, multi-year discounts, and robust support, providing good value despite initially high costs.
Enterprise users find Zscaler pricing varies widely; flexibility contrasts high costs for licenses, features, and large deployments.
Zscaler Zero Trust Exchange Platform is much, much cheaper when comparing price.
Cybersecurity Senior Program Manager at Dayforce
 

Valuable Features

Mimecast offers seamless, low-impact data protection with intuitive management, real-time backups, customizable risk scoring, and cross-platform functionality.
Zscaler Zero Trust Exchange offers seamless connectivity, advanced security features, and easy integration, enhancing enterprise operations and data protection.
From an efficiency perspective, I notice a very good user experience, which is easy to use with Zscaler Zero Trust Exchange Platform.
Manager, Software Development at a outsourcing company with 201-500 employees
The solution is cloud-based with the latest inspection engines, which I find to be amazing.
architect at Tata Consultancy
Since we started using Zscaler Zero Trust Exchange Platform, it has auto-configuration, and wherever we have deployed the auto-configuration, we have not encountered any problem.
Cybersecurity Senior Program Manager at Dayforce
 

Categories and Ranking

Mimecast Insider Risk Manag...
Ranking in Data Loss Prevention (DLP)
20th
Average Rating
9.0
Reviews Sentiment
7.4
Number of Reviews
78
Ranking in other categories
No ranking in other categories
Zscaler Zero Trust Exchange...
Ranking in Data Loss Prevention (DLP)
6th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
66
Ranking in other categories
Cloud Access Security Brokers (CASB) (9th), Application Control (6th), ZTNA as a Service (1st), Secure Access Service Edge (SASE) (4th), Remote Browser Isolation (RBI) (1st)
 

Mindshare comparison

As of February 2026, in the Data Loss Prevention (DLP) category, the mindshare of Mimecast Insider Risk Management and Data Protection is 2.5%, up from 1.6% compared to the previous year. The mindshare of Zscaler Zero Trust Exchange Platform is 4.4%, down from 6.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Data Loss Prevention (DLP) Market Share Distribution
ProductMarket Share (%)
Zscaler Zero Trust Exchange Platform4.4%
Mimecast Incydr2.5%
Other93.1%
Data Loss Prevention (DLP)
 

Featured Reviews

Chuck_Mackey - PeerSpot reviewer
Director, Cybersecurity Consulting at a tech services company with 51-200 employees
Provides comprehensive visibility and protection, helps in identifying the gaps in security, and comes with excellent onboarding support
In a couple of instances, we had a little bit of trouble in getting it distributed throughout the organization. We ultimately managed to do it, but they talk about it being a pretty simple process, and it became a little laborious. It would just turn away. The agents were not being distributed. It was just churning and churning and churning. When we were looking for specific categories of data, it was getting bogged down, but that was not even so much Code42, although some of it was their issue. It really has to do with the overall infrastructure and what the organization is prepared to do. If the infrastructure or the networking is a little hinky or you don't have a really finely tuned network infrastructure environment and your patches aren't up to date on your servers and your endpoints, it could get a little sticky. Other than that, it was okay. We really didn't have much problem beyond that. It took a couple of days to sort that out, but it was no big deal.
Zaheer_Khan - PeerSpot reviewer
Cybersecurity Senior Program Manager at Dayforce
Secure access has improved remote work and has reduced vulnerabilities across our workforce
Zscaler Zero Trust Exchange Platform probably needs to be more efficient because scanning takes a lot of time. Some vulnerabilities create issues, and when we wanted to identify the source of the vulnerabilities, specifically focusing on mobile ID and related areas, it was unable to provide assistance. However, according to discussions with Zscaler Zero Trust Exchange Platform, they said that by the end of mid-2026, they are exploring these features, and probably those features can be incorporated or embedded into this particular system. That is the only major negative point.In terms of responses, Zscaler Zero Trust Exchange Platform is good. In terms of controlling vulnerability, it is good. The only cons I have noticed is that it is a bit slower, and sometimes it is unable to identify the source. These are the key areas for improvement.
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Top Industries

By visitors reading reviews
Manufacturing Company
12%
Performing Arts
7%
Financial Services Firm
6%
Outsourcing Company
5%
Financial Services Firm
13%
Computer Software Company
11%
Manufacturing Company
10%
Insurance Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise24
Large Enterprise30
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise12
Large Enterprise42
 

Questions from the Community

What is your primary use case for Code42 Incydr?
Data Leakage Protection on large scale environments. This can be to protect against leakage on endpoints and servers that consist of highly classified or propriety information. It can be added on a...
What is the better solution - Prisma Access or Zscaler Private Access?
We looked into Prisma Access before choosing Zscaler Private Access (ZPA). Palo Alto’s Prisma Access is a secure access service edge (SASE) designed to deliver network security in a cloud-deliver...
What do you like most about Zscaler SASE?
The most valuable features of Zscaler Private Access are reliability, scalability, and availability.
What needs improvement with Zscaler SASE?
The solution needs to improve a lot of aspects.
 

Also Known As

Mimecast Incydr, Code42 Next-Gen DLP, Code42 Next-Gen Data Loss Protection, Code42 Forensic File Search, Code42 Backup + Restore
Zscaler SASE, Zscaler DLP, Zscaler CASB, Zscaler CSPM, Zscaler Browser Isolation, Zscaler Posture Control
 

Overview

 

Sample Customers

Adobe, Okta, Samsung, Taylormade, Boston University, Lending Club, North Highland, Stanford University, Ping Identity, Qualcomm, Pandora.
Siemens, AutoNation, GE, NOV
Find out what your peers are saying about Mimecast Insider Risk Management and Data Protection vs. Zscaler Zero Trust Exchange Platform and other solutions. Updated: February 2026.
881,928 professionals have used our research since 2012.