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Pros & Cons summary

Buyer's Guide

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Prominent pros & cons

PROS

Illumio helps organizations understand internal network visibility and simplifies firewall policy implementation.
Illumio enhances security by maintaining logs, monitoring activities, and providing access management.
Illumio's visual traffic interface allows users to see all traffic that communicates with servers and allied companies.
Illumio's flexibility and adaptability are key features that ensure effective data protection.
Illumio's customer support is highly regarded, providing users with confidence in their network security.

CONS

Illumio requires low-level re-architecting, especially in OT environments.
The customer support and interaction with the tech team need improvement.
There is a need for more detailed data on errors and traffic blockage.
Illumio should provide better data security and support more operating systems like Cisco and Apache appliances.
An option to upgrade from the console to the latest version would streamline processes.
 

Illumio Pros review quotes

US
Oct 19, 2025
The client is getting more security and is more confident in their network because they now have the micro-segmentation feature in their environment.
CH
Jun 28, 2022
The Explorer allows you to know the traffic between source and destination.
reviewer1076790 - PeerSpot reviewer
Jan 22, 2020
The flexibility of the solution is its most valuable feature.
Find out what your peers are saying about Illumio, Akamai, Cisco and others in Cloud and Data Center Security. Updated: October 2025.
872,706 professionals have used our research since 2012.
Alark Singh - PeerSpot reviewer
Dec 23, 2024
The strongest aspect of Illumio is the visual traffic interface, which allows us to see all traffic that communicates with our servers and allied companies.
EL
Jun 9, 2022
The most valuable feature of Illumio Adaptive Security Platform is monitoring. When I have no requirement from the other application, I can use the web block traffic to build.
Vincent TOH - PeerSpot reviewer
Aug 15, 2024
The tool helps with my company's security posture.
reviewer2151909 - PeerSpot reviewer
Apr 25, 2023
The product provides visibility into how the applications communicate and how the network protocols are being used.
PC
Jul 17, 2019
It has helped us to understand internal network visibility and firewall policy implementation. We use the product to simplify firewall policy implementation.
MICHEL RACT-MUGNEROT - PeerSpot reviewer
Oct 27, 2023
The features that I have found most useful is the ability to centralize all the rules and then distribute them across various locations. However, I've encountered challenges related to tagging policies, which can be complex to devise. It's a matter that requires careful consideration and stakeholder involvement before implementing such policies.
MM
Apr 11, 2023
The solution helps to maintain logs and monitor activities. It also helps us with access management. The tool helps us to secure organizational data that include files.
 

Illumio Cons review quotes

US
Oct 19, 2025
Illumio can be improved if we have more interactive sessions with the tech team.
CH
Jun 28, 2022
The customer service is lagging a bit. It could be better.
reviewer1076790 - PeerSpot reviewer
Jan 22, 2020
The interaction we've had with the support team hasn't been ideal. Technical support should be improved.
Find out what your peers are saying about Illumio, Akamai, Cisco and others in Cloud and Data Center Security. Updated: October 2025.
872,706 professionals have used our research since 2012.
Alark Singh - PeerSpot reviewer
Dec 23, 2024
There should be an option to upgrade from the console to the latest version instead of performing manual upgrades.
EL
Jun 9, 2022
Illumio Adaptive Security Platform could improve by supporting more operating systems. For example, Cisco and Apache appliances.
Vincent TOH - PeerSpot reviewer
Aug 15, 2024
We need more details on areas where there is an error or a traffic blockage. I would like the tool to offer a more detailed view.
reviewer2151909 - PeerSpot reviewer
Apr 25, 2023
The product’s agents don't work very well in OT environments.
PC
Jul 17, 2019
It requires a low-level re-architecting of the product.
MICHEL RACT-MUGNEROT - PeerSpot reviewer
Oct 27, 2023
Some of the features that can be improved is offer additional guidance on creating an effective and risk-free tagging policy would be highly beneficial.
MM
Apr 11, 2023
I would like to see better data security in the product.