Illumio Reviews & Product Details

I appreciate Illumio's 'illumination' feature that allows me to map the current traffic to understand communication patterns before applying policies to restrict. The different mappings and dependencies help me understand and have the full picture, which is quite valuable for network segmentation. Review collected by and hosted on G2.com.

The adoption journey of Illumio is not that easy. After 1 year, we are still learning to enable some features. I would like my security analysts, network engineers, and sys admins to be able to leverage it. More guided technical workshops, available for customers, to fully adopt the product would be helpful. Review collected by and hosted on G2.com.

Illumio is easy to deploy and within a few hours, you have total visibility of traffic flows on your network. There are no performance issues on the endpoints and pricing is inline with expectations Review collected by and hosted on G2.com.

There are no downsides of Illumio, the product is easy to use, wide operating support and quick to onboard Review collected by and hosted on G2.com.

Illumio is helpful because it stops attackers from moving around your network if a breach happens.

It uses Zero Trust segmentation to limit access without needing major network changes.

You get clear visibility into application traffic across data centers and cloud environments.

It’s quick to deploy, easy to manage, and scales well as your environment grows.

Overall, it reduces the blast radius of attacks, simplifies operations, and strengthens security with minimal disruption. Review collected by and hosted on G2.com.

Illumio can take time to fully tune, since defining the right policies requires upfront effort.

It focuses on segmentation, so it doesn’t replace other security tools like EDR or firewalls.

The value is highest in complex environments, which may limit impact for very small setups.

Licensing and cost can feel high compared to simpler controls.

Teams may also need training to get comfortable with the model and workflows. Review collected by and hosted on G2.com.

My org uses Illumio for intra-VLAN protection, ransomware blast radius reduction, and as a more flexible alternative to our mess of ACLs.

It's letting us reduce our ACL sprawl, which was nearing hardware limits (CAM table exhaustion).

Illumio’s policy model and VEN install are baked into our server deployment process now, which I recommend all customers do.

I work in both networking and security, and Illumio bridges both worlds well. I touch it frequently to manage access across all sorts of servers and traffic flows, and I have no complaints about performance or UI.

Great for network or security folks trying to shrink blast radius and ditch legacy ACL messes. Review collected by and hosted on G2.com.

There is definitely a learning curve, but once you wrap your head around the policy model, it clicks.

Only gotcha I've seen is that changing a server IP often requires reinstalling the VEN. Review collected by and hosted on G2.com.

Illumio is the best product we use as a company IT-wise. It literally keeps us safe and is a tremendous troubleshooting tool as well! It is extremely easy to use, and tagging our servers via the import csv utility is a great feature we've come to love. Review collected by and hosted on G2.com.

Sometimes it works "too" good, but that is why we have it. It locks down traffic like it's supposed to! Review collected by and hosted on G2.com.

It is a great tool --- it delivers strong, identity‑based micro‑segmentation. And it helps to reduce lateral‑movement risk and eventually helping security teams enforce policies with confidence. Review collected by and hosted on G2.com.

complex at first, and Large‑scale deployments may require careful tuning Review collected by and hosted on G2.com.

The microsegmentation is its biggest feature. What I like most is the ease in configuration and implementation. Troubleshooting can be done faster as the configuration is simple and easy to understand Review collected by and hosted on G2.com.

None. When compared to other firewalls, Illumio is the easist to implement and troubleshoot. Review collected by and hosted on G2.com.

It is easy to understand, and it prove its value early even when you are not doing any restrictions, it is bringing the visibility for the customer. Review collected by and hosted on G2.com.

It doesnt have a Dark Mode UI. And sometimes we may need too much time to see some changes applied. Review collected by and hosted on G2.com.