# Cilium

> Publicly sourced profile assembled by Optimly, in the Optimly AI Brand Index. Last refreshed 2026-10-04.

- **Business Profile:** https://optimly.ai/brand/cilium
- **Dataset:** https://optimly.ai/brand/cilium.json
- **Markdown:** https://optimly.ai/brand/cilium/llms.txt
- **Official website:** https://cilium.io
- **Slug:** cilium
- **Categories:** cloud-infrastructure, cybersecurity, developer-tools, it-management-software

## Overview

- **Tagline:** The first and most widely adopted networking solution to use eBPF to replace legacy iptables, resulting in significantly higher performance and deeper observability.
Source: Brand's website (https://cilium.io) · 2026-10-04

- **Description:** Cilium is an open-source software for providing, securing, and observing network connectivity between container workloads. It is built on top of eBPF, a revolutionary Linux kernel technology that allows for high-performance and granular control over networking and security at the kernel level.
Source: Brand's website (https://cilium.io) · 2026-10-04

## Offerings

- **Core capabilities:**
  - Cilium CNI
  - Hubble (Observability)
  - Tetragon (Security)
  - Cilium Service Mesh
Source: Brand's website (https://cilium.io) · 2026-10-04

- **Pricing:** Free (Open Source) / Enterprise (Cisco/Isovalent)
Source: Brand's website (https://cilium.io) · 2026-10-04

## Audience

- **Target industry:** Cloud-native enterprises, DevOps teams, Platform Engineers, Managed Service Providers (MSPs)
Source: Brand's website (https://cilium.io) · 2026-10-04

## Landscape

- **Competitors:**
  - Calico (Tigera)
  - Istio
  - Linkerd
Source: Brand's website (https://cilium.io) · 2026-10-04

Page last updated 2026-10-17.