Endian EndianOS vs SAM OPUS: Side-by-Side Comparison (2026)

Endian EndianOS: Linux-based security OS for IT/OT gateways with UTM and industrial protection. built by Endian. Core capabilities include Multi-layered threat protection with firewall, intrusion prevention, antivirus, and zero-day protection, Secure VPN connections with granular network traffic control, Hardened Linux kernel foundation..

SAM OPUS: MSP-focused network security-as-a-service for small businesses via router agent. built by SAM Seamless Network. Core capabilities include Automated multi-layered network security covering the entire business network, Web traffic filtering for inbound and outbound traffic to block malicious sites and phishing, Zero-trust IoT device access control with verification before granting network access..

Both serve the Next-Gen Firewalls market but differ in approach, feature depth, and target audience.

Endian EndianOS differentiates with Multi-layered threat protection with firewall, intrusion prevention, antivirus, and zero-day protection, Secure VPN connections with granular network traffic control, Hardened Linux kernel foundation. SAM OPUS differentiates with Automated multi-layered network security covering the entire business network, Web traffic filtering for inbound and outbound traffic to block malicious sites and phishing, Zero-trust IoT device access control with verification before granting network access.

Endian EndianOS is developed by Endian. SAM OPUS is developed by SAM Seamless Network. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Endian EndianOS and SAM OPUS serve similar Next-Gen Firewalls use cases: both are Next-Gen Firewalls tools. Review the feature comparison above to determine which fits your requirements.