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Cisco IOS Security vs Zscaler Cloud IPS comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 19, 2024

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 IOS Security
Ranking in Intrusion Detection and Prevention Software (IDPS)
11th
Average Rating
8.0
Reviews Sentiment
6.9
Number of Reviews
48
Ranking in other categories
Firewalls (20th)
Zscaler Cloud IPS
Ranking in Intrusion Detection and Prevention Software (IDPS)
18th
Average Rating
9.0
Reviews Sentiment
6.8
Number of Reviews
5
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of August 2025, in the Intrusion Detection and Prevention Software (IDPS) category, the mindshare of Cisco IOS Security is 1.4%, up from 0.7% compared to the previous year. The mindshare of Zscaler Cloud IPS is 1.5%, up from 1.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Intrusion Detection and Prevention Software (IDPS)
 

Featured Reviews

Binoob John - PeerSpot reviewer
Rrobust network security and device authentication with advanced access control features
This solution should be implemented for most enterprise-level customers. It ensures that users accessing the corporate network or wireless network with their own devices are authenticated and authorized. As a network administrator, I can track who is accessing the network, what devices they are…
Atdhe Zyhranaj - PeerSpot reviewer
It allows for a separation between cloud applications and URL filtering
We recently had a significant issue with Zscaler. I think they have too many customers and some of their connection edge nodes went down because there were too many requests. I think they aren't scaling enough to keep up with the demand in some areas. That's one thing they should improve.

Quotes from Members

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

Pros

"The Intrusion Firewall is a valuable feature."
"One of the valuable features of the solution is its flexibility and it performs great."
"Completely integrates branch offices with perimeter security."
"What I have used the most and received the most benefit from is the IPsec technology."
"We use the product for firewalls."
"In Pakistan, we only use Cisco because they have good local support infrastructure. Huawei and Fortinet don't offer direct support in Pakistan."
"It covers everything we need it to without looking to secondary solutions."
"Technical support for this solution is very good."
"The initial setup process is easy."
"Cloud IPS integration is seamless, and it uses a Zero Trust model. It also simplifies overall user access management."
"The product's most valuable feature is complete SSL inspection."
"The best feature is that Zscaler allows for a separation between cloud applications and URL filtering. For example, under the cloud application segment, I can bypass Microsoft Office 365 without the need to add URLs manually. It's one click, so that's handy."
"The initial setup is straightforward and easy in comparison with other solutions."
 

Cons

"The solution is not user friendly and it is hard to manage the GUI interface."
"I think they should bring back remote VPN for users."
"We cannot directly upgrade the system. The tool's deployment is also very difficult in legacy environments. The tool needs to have bigger ports as well."
"I would like to see much more embedded security that works and that isn't a bolt-on."
"There's a technology called SD-WAN that we would like to see. We are unable to handle multiple connections or to automatically load balance. I would like to have a feature that enables us to automatically prepare for load balancing."
"In the next release of this solution, we would like to see support for the 100BT and 7000 models."
"An area for improvement in Cisco IOS Security is the performance because it's not as stable sometimes. There's also some latency in the solution, which could be improved. Cisco IOS Security integrates with other solutions, but you'll encounter many errors after integration, so this is another area for improvement. I'd like to see enhanced performance and a simplified setup in the next version of Cisco IOS Security."
"We need to pay for the license and it is expensive."
"They have given limited free access for a year. Instead, they should increase the file size and give limited free access for around two months. It will allow engineers to evaluate the product."
"We encounter issues sharing IP addresses with other companies using the software."
"There is always room for improvement."
"We recently had a significant issue with Zscaler. I think they have too many customers and some of their connection edge nodes went down because there were too many requests. I think they aren't scaling enough to keep up with the demand in some areas. That's one thing they should improve."
"When it comes to scalability, the IPsec could be improved."
 

Pricing and Cost Advice

"Palo Alto networks are more expensive than this solution and this is why you will see more products like this one in Mexico."
"The pricing is average and includes all features with support."
"The cost may be around $5,000 to $10,000 a year. If you want support you have to pay at least this price."
"The product is expensive."
"Cisco IOS Security price could be reduced, it is more expensive than many of the other solutions, such as Sophos and Fortinet FortiGate."
"The price of the solution should be cheaper, and the license is purchase annually."
"The pricing is okay. It is competitive. It costs more when you need get more features."
"We can purchase its licenses as per specific business requirements."
"Zscaler has so far been solely responsible for all the sales we have done with it, so it would be more suited than us to address any issues concerning the pricing."
"The software has become more expensive at present."
"The product is not affordable for small and medium enterprises."
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Top Industries

By visitors reading reviews
Computer Software Company
28%
Manufacturing Company
8%
Government
8%
Outsourcing Company
6%
Manufacturing Company
15%
Healthcare Company
10%
Financial Services Firm
8%
Computer Software Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Cisco IOS Security?
Cisco IOS Security is a mature product with extensive capabilities, serving as the base for the defense layer. It offers good network visibility, which helps in rapid response through the Rapid Thr...
What is your experience regarding pricing and costs for Cisco IOS Security?
Pricing can be reduced. I rate the current price for the product a four out of ten.
What needs improvement with Cisco IOS Security?
While I do not have specific recommendations for improvement, pricing can be reduced.
What do you like most about Zscaler Cloud IPS?
The product's most valuable feature is complete SSL inspection.
What is your experience regarding pricing and costs for Zscaler Cloud IPS?
The product is not affordable for small and medium enterprises.
What needs improvement with Zscaler Cloud IPS?
They have given limited free access for a year. Instead, they should increase the file size and give limited free access for around two months. It will allow engineers to evaluate the product.
 

Also Known As

IOS Security
No data available
 

Overview

 

Sample Customers

Arup Group, Brunel University London, City of Biel, Gobierno de Castilla-La Mancha, K&L Gates , New South Wales Rural Fire Service, Offshore Northern Seas, Transplace
Zenith Live, Azure, Carlsberg Group
Find out what your peers are saying about Cisco IOS Security vs. Zscaler Cloud IPS and other solutions. Updated: July 2025.
865,384 professionals have used our research since 2012.