


Zscaler Internet Access and Mimecast Advanced Email Security are leading solutions in the online security market. Zscaler seems to have the edge in control and flexibility, while Mimecast is praised for its ease of integration with email systems.
Features: Zscaler Internet Access provides URL and application filtering, malware protection, and SSL inspection. Its advanced threat security and cloud sandboxing are also key strengths. Mimecast Advanced Email Security focuses on strong email security features like sandboxing, identity protection, and phishing prevention.
Room for Improvement: Zscaler users suggest improving application integration, reporting, and support for Linux. They also call for more regional data centers. Mimecast could enhance customer support and the user interface, with some users facing challenges in threat response time and interface navigation.
Ease of Deployment and Customer Service: Zscaler Internet Access offers flexible deployment options and generally effective technical support, though some users note variability in response quality. Mimecast operates mainly in the public cloud and offers simple integration with email systems, although users desire more responsive customer service.
Pricing and ROI: Both Zscaler and Mimecast are considered high-cost solutions. Zscaler is noted for its strong ROI due to lowered management costs and a robust security posture, while Mimecast offers flexible subscriptions but can incur additional fees, impacting the perceived return on investment.
With iboss, whenever you turn on your laptop, the iboss agent automatically connects to the iboss cloud, enforcing all security policies. So with respect to the security side, it strengthens measures.
I have seen some cost effectiveness from iboss; it has reduced certain support requirements, making it a more hands-off solution.
There is definitely a return on investment when using Mimecast, as it blocks phishing emails, reducing the risk of significant financial losses.
The managed service aspect of Zscaler Internet Access has allowed for reduced staffing costs, resulting in a saving of approximately 20-25% compared to prior expenses.
They are very fast, responsive, and knowledgeable.
The quality of the support is fantastic.
We had promising discussions about resolving these issues, but no real action followed.
Support personnel are hesitant to engage in remote sessions, preferring to share documentation via email.
Mimecast technical support is generally quite good.
I would rate my experience with technical support of Mimecast Email Security between seven and eight out of ten for their support.
The technical support for Zscaler Internet Access is rated around seven out of ten due to some response time issues and the engagement model.
Zscaler Internet Access customer service is really very good.
I find customer support to be quite adequate
They are also able to meet on-demand requirements based on your contract with them, and can easily provide adequate resources and scalability.
I would rate it a nine out of ten for scalability.
If I start seeing sluggishness or anything like that, I just reach out to my rep, and they connect with their dev team, typically resolving it the same day.
If Mimecast Email Security introduces API solutions, it will dominate the market.
From what I've seen from the MSP, it seems quite complicated to manage the configuration itself.
With the pricing structure that they currently have, it is only for big customers.
I find Zscaler Internet Access to be highly scalable, which was one of the reasons for choosing it.
Zscaler Internet Access is scalable and has points of presence across the globe to ensure low latency and reliable connections.
It's been pretty solid; I've never had an outage with them, and if I ever had, it's only been once out of the seven years.
We've experienced zero downtime.
Our biggest problem with their service was it did not recognize the device despite our ClearPass sending information to the iboss box.
They confirm it's a good solution where only one or two rare emails get through, while the rest are properly blocked without any issues.
The issues we did have were causing quite a lot of problems.
Zscaler Internet Access is stable and capable of building resilient architectures.
Zscaler Internet Access is very stable, and I would rate its stability as nine out of ten.
It is not as intuitive as the rest of the platform.
We also had a problem with a transition when we upgraded from one appliance of theirs to another, but their engineer lost a good deal of our data.
Our iboss subscription access should be more secure with an OTP or VPN etc.
A lot of emails were missed despite being known samples.
Mimecast Email Security is somewhat expensive compared to the competition in the Indian market.
We discussed the phishing aspect, the DNS system, and the key rotation.
The response time and engagement model for technical support could be improved to handle complex outages more efficiently.
In future updates, I would like to see some of the features bundled into the existing product set, perhaps more AI features and a refreshed interface.
Zscaler Internet Access has introduced AI control for tools such as ChatGPT, providing options to restrict to text-only input without file or image uploads through CASB restriction controls.
It offers the same features you would get from a vendor that charges 250,000 British pounds for a fraction of the price.
The following year, the cost of just licensing was similar to what was paid the previous year for a new appliance along with the implementation and licensing costs.
Regarding pricing, setup costs, and licensing, iboss is not cheap, and that's my only concern.
The pricing is higher for Mimecast, particularly for the Indian market, where it is considered expensive.
Regarding the price, I think that in terms of similar products, it is pretty much in the same line, so I think it's reasonable.
Zscaler Internet Access is recognized as an expensive solution.
Zscaler Internet Access is less expensive than competitors like Palo Alto, offering a premium service justified by security enhancements and cost-effective scalability.
Of course, it is an expensive product.
The solution's mental health function can detect if someone needs help.
It's given us a lot more visibility into our computer assets that may be infected with viruses and also shows us people who have unusually large uploads or might be engaging in high-risk activities, such as searches or going to sites not categorized by their web crawler.
iboss was the best solution for us because, no matter what domain you were in, everything is under a single pane of glass, which is exactly what we wanted.
A distinct advantage of Mimecast is its ability to block phishing and impostor attacks, which are significant threats currently.
One of the most useful features is the threat remediation module, which can be used to remove malicious emails that may have been delivered or manually remove them.
Mimecast Email Security includes the best gateway solution across all Cisco, Trend Micro, and other solutions.
It prevents numerous web attacks through its AI/ML incorporated capability which identifies malware, threats, and viruses.
Zscaler Internet Access has positively impacted my organization by reducing the dependency on on-premises hardware and improving security posture, enabling faster user onboarding, and providing better performance for remote users.
The most valuable feature for me is the ability to see how my network and traffic looks with modules like analytics and insights.
| Product | Mindshare (%) |
|---|---|
| Zscaler Internet Access | 10.3% |
| iboss | 3.3% |
| Mimecast Email and Collaboration Threat Protection | 0.6% |
| Other | 85.8% |


| Company Size | Count |
|---|---|
| Small Business | 6 |
| Midsize Enterprise | 7 |
| Large Enterprise | 8 |
| Company Size | Count |
|---|---|
| Small Business | 19 |
| Midsize Enterprise | 11 |
| Large Enterprise | 13 |
| Company Size | Count |
|---|---|
| Small Business | 17 |
| Midsize Enterprise | 9 |
| Large Enterprise | 38 |
Iboss offers a comprehensive cloud-based security platform valued for its scalability and autonomous features, ensuring robust security with easy deployment and management capabilities.
Renowned for its robust security architecture, Iboss integrates seamlessly within diverse networks, delivering efficient granular filtering and advanced content categorization. Its single pane of glass console provides ease of management, allowing rapid scalability suitable for rapidly deploying environments. Operates in BYOD setups due to inline filtering without device installation. Integration with cloud-based applications enhances user control, and features like SASE, SSL inspection, and ChatGPT risk protection stand as highlights. Despite its strengths, users have pointed out areas for enhancement like direct navigation in reports, SSL decryption, and better cloud integration while having room to improve data loss prevention.
What are the most important features of Iboss?The usage of Iboss spans educational institutions, specifically K-12, to enforce internet policies, protect data, and support remote work environments. It provides web filtering and security frameworks to ensure safe browsing. Its platform-as-a-service model offers flexibility for both cloud-based and on-premises requirements, integrating seamlessly to deliver enhanced security features suitable for various deployment needs including zero trust, CASB, and network security for work-from-home setups.
Mimecast Advanced Email Security offers advanced features like sandboxing, email archiving, and phishing protection. It's known for integration with Microsoft 365 and user-friendly admin management, making it a robust choice for secure communications.
Focused on safeguarding emails, Mimecast Advanced Email Security integrates seamlessly with Microsoft 365, providing features such as sandboxing, spam filtering, and email archiving. It delivers comprehensive protection against phishing, identity threats, and impersonation attempts. Administrators benefit from the ability to monitor external communications and customize configurations, enhancing email security. Users appreciate the intuitive admin console and responsive support team. Although it faces challenges in threat detection rates and administration complexity, its capabilities in email monitoring, spam filtering, and URL inspection remain valued by enterprises seeking reliable email security that supports compliance needs.
What key features should users explore?Mimecast Advanced Email Security is implemented across industries to protect against email threats like phishing, spam, and malicious attachments. It serves as both a gateway and an archiving tool, supporting compliance in healthcare and finance by offering features like URL protection and data loss prevention. Enterprises leverage its capabilities to secure inbound and outbound communications effectively.
Zscaler Internet Access provides internet security through cloud-native architecture, ensuring threat protection and traffic management without relying on traditional VPNs and firewalls.
It enhances security by offering features such as CASB and DLP. With its cloud-native proxy architecture, it facilitates seamless security with reduced latency and high availability. Organizations value the scalability and centralized policy management, integrating seamlessly with existing systems for remote work. It ensures secure traffic management by delivering advanced threat protection and support for applications through SSL inspection and sandboxing. Enhanced measures for DLP, better integration with tools like MFA, and optimized reporting are areas for growth.
What are the key features?Many industries leverage Zscaler Internet Access for securing internet traffic and safeguarding against threats like malware and DDoS attacks. It is integral as a secure web gateway to fulfill data loss prevention, bandwidth control, and filtering needs, allowing remote users robust access and protection globally. Companies employ it alongside existing tools for proper security and policy enforcement.
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