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Cilium is a free Network Access Control tool. Security professionals most commonly compare it with Green Hills Platform for Secure Networking. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to Cilium, including their key features and shared capabilities.
Secure embedded networking platform combining RTOS, TCP/IP stack, and virtualization.
Bash script for blocking domain access on Linux via iptables/ip6tables rules
AI-powered enterprise networking platform with integrated security and management
Secures medical devices with visibility, risk assessment, and policy enforcement
IP address management and switch port mapping tool with DHCP monitoring
DNS, DHCP, and IP address management (DDI) platform for hybrid multi-cloud
Maps network users to IP/MAC addresses for visibility and security operations
DDI platform for DNS, DHCP, and IPAM with cloud and on-prem deployment
Secure embedded networking platform combining RTOS, TCP/IP stack, and virtualization.
Bash script for blocking domain access on Linux via iptables/ip6tables rules
AI-powered enterprise networking platform with integrated security and management
Secures medical devices with visibility, risk assessment, and policy enforcement
IP address management and switch port mapping tool with DHCP monitoring
DNS, DHCP, and IP address management (DDI) platform for hybrid multi-cloud
Maps network users to IP/MAC addresses for visibility and security operations
DDI platform for DNS, DHCP, and IPAM with cloud and on-prem deployment
Network access control software for endpoint policy enforcement and compliance
Cloud-native unified access control platform with NAC, ZTNA, and RADIUS
On-premise NAC solution for device visibility and network access control
Wi-Fi 6 wireless access points with integrated security and cloud management
Continuously monitors and enforces compliance of all connected devices
Microsegmentation platform preventing lateral movement across hybrid multi-cloud
Network access control solution with visibility, segmentation, and compliance
Network access control solution with automated segmentation and isolation
Cloud-based DNS filtering for guest WiFi networks with content blocking
Automated guest Wi-Fi access using certificate-based 802.1X authentication
Network security policy orchestration and automation platform
Cloud-managed security switch with traffic monitoring and threat blocking
Centrally managed endpoint/server firewall with dynamic ACLs for network control
Network monitoring and security platform with ecosystem visibility
Web filtering and digital safeguarding platform for educational institutions
Network allowlisting solution that orchestrates access controls via identity auth
Unified ITOM platform for network visibility, NAC, and infrastructure mgmt.
Network security solution with segmentation, encryption, and secure remote access.
Hardware-enforced microsegmentation platform replacing Jump Boxes.
Hardware SOM providing OS-independent microsegmentation for edge devices.
SDN-based moving target defense that obfuscates network topology and traffic.
Cybersecurity platform for govt & defense: cross-domain, CDR, RBI & insider risk.
DNS-based security agent extending corporate protection to remote workers.
NAC solution enforcing real-time access control based on device posture.
Unified NAC, ZTNA, and EDR platform for continuous network & endpoint control.
Device classification service providing platform ID, EOL/EOS status, and CVE data.
Hardware appliance for remote, out-of-band physical network isolation.
Network containment tool using TTL/hop limits to restrict data travel distance.
Browser extension tool for K-12 teachers to monitor & control student online access.
Physical-layer wireless security IP Core for SDR, FPGA, and ASIC platforms.
MSP-focused network security-as-a-service for small businesses via router agent.
Continuously tests network isolation/segmentation by detecting unexpected leaks.
IEEE 802.1X-based NAC using digital certs for wired, Wi-Fi & VPN access.
Secure network & app access solutions for automotive on-premises environments.
Real-time microsegmentation platform for enterprise security (now defunct).
Express middleware for detecting and redirecting Tor or Surface users.
Romana automates cloud-native network isolation and distributed firewall policies for Kubernetes and OpenStack environments using topology-aware IPAM without overlays.
A private network system utilizing WireGuard for enhanced networking capabilities.
Common questions security professionals ask when evaluating alternatives and competitors to Cilium.
The most popular alternatives to Cilium include Green Hills Platform for Secure Networking, DomainBlocker Tool, HPE Aruba Networking, Palo Alto Networks Medical Device Security, and ManageEngine OpUtils. These Network Access Control tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
