Snort Alternatives (January 2026)

Snort - Network Intrusion Detection & Prevention System

https://www.snor.org/

Snort is an open-source, free and lightweight network intrusion detection system (NIDS) software for Linux and Windows to detect emerging threats.

4/5

222+ reviews

Reviewed on:

OSSEC - World's Most Widely Used Host Intrusion Detection System - HIDS

https://www.osse

.net/

OSSEC is a multiplatform, open source and free Host Intrusion Detection System (HIDS). You can tailor OSSEC for your security needs through its extensive configuration options, adding custom alert rules and writing scripts.

Nmap: the Network Mapper - Free Security Scanner

https://nma

.org/

Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.

Cuckoo Sandbox - Automated Malware Analysis

https://cuckoosandbo

.org/

Cuckoo Sandbox is the leading open source automated malware analysis system.

Wazuh - Open Source XDR. Open Source SIEM.

https://wazu

.com/

Wazuh is a free and open source security platform that unifies XDR and SIEM protection for endpoints and cloud workloads.

Corelight: Evidence-Based NDR and Threat Hunting Platform

https://coreligh

.com/

Disrupt future attacks with complete network visibility, next-level analytics, faster investigations, and expert threat hunting.

ExtraHop: Cloud-Native Network Detection and Response

https://www.extraho

.com/

ExtraHop provides cloud-native cybersecurity solutions to help enterprises detect and respond to advanced threats—before they compromise your business.

Cisco Next-Generation Intrusion Prevention System (NGIPS) - Cisco

https://www.cisc

.com/c/en_ca/products/security/ngips/index.html/

Cisco Secure IPS (NGIPS) provides contextual awareness, security intelligence, and advanced threat protection against attacks and malware.

Quantum Intrusion Prevention System (IPS) - Check Point Software

https://www.checkpoin

.com/quantum/intrusion-prevention-system-ips/

Check Point (IPS) Intrusion Prevention System combines industry-leading IPS protection with breakthrough performance and a stand-alone software solution.

Network Detection and Response (NDR) | Verizon

https://www.verizo

.com/business/products/security/threat-detection/network-detection-response/

With Verizon's Network Detection & Response (NDR), gain advanced threat intelligence and expert support to protect your business from suspicious activities and cyber attacks.