Elisity Microsegmentation vs Istio

Elisity Microsegmentation applies identity-based least-privilege policies to users, workloads, and devices across IT, IoT, OT, and IoMT networks. Passive telemetry and integrations discover devices and correlate identity, behavior, traffic, and risk in IdentityGraph. Teams can simulate policies against real traffic before activation, while Elisity Intelligence recommends actions for customer approval. A cloud-hosted Cloud Control Center manages Virtual Edge deployments, and Virtual Edge Nodes enforce policies through existing network infrastructure. Elisity describes Virtual Edge as lightweight container software for access-layer switches or virtual environments, without additional hardware. The platform is agentless, supports mixed workloads and hybrid cloud environments, and is available through API, self-hosted, and web platforms. Integrations include Armis, Claroty, CrowdStrike, Microsoft Defender, ServiceNow, Active Directory, Splunk, Cisco, Juniper, Aruba, and Arista. It targets healthcare, manufacturing and industrial organizations, and commercial enterprises. Pricing and subscription terms are set in a Software Order.

Istio is a free, open-source service mesh that adds security, connectivity, and monitoring for distributed applications with few or no service-code changes. It manages HTTP, gRPC, WebSocket, and TCP traffic, with automatic load balancing, routing rules, retries, failovers, and fault injection. Deployment options include sidecar mode and ambient mode, which uses a per-node Layer 4 proxy and can optionally add a per-namespace Envoy proxy for Layer 7 features. The control plane runs on Kubernetes, while the mesh can extend to other clusters, virtual machines, and endpoints outside Kubernetes. Security capabilities include workload identity, mutual TLS, authentication, authorization policies, and audit tools. Istio can generate traffic metrics, logs, and traces, including for ingress and egress. It can be installed with istioctl or Helm, and its integrations documentation covers tools such as Prometheus, Grafana, Jaeger, Kiali, and cert-manager. Istio 1.31 supports Kubernetes versions 1.32 through 1.36. Supported releases receive critical-issue patches and technical assistance from the community; development builds have no support.