Best Spectrum Alternatives & Competitors in 2026

Defender Lens

Turn Any Threat into a Detection Rule

Rilevera

AI platform for continuous detection rule validation, optimization & governance.

Fig Security Operations Resilience

SOC resilience platform detecting & repairing drift in detection rules and pipelines.

FalconForce FalconDash

Open-source Azure workbook for visualizing and tuning Sentinel detection performance

Red Canary Threat Intelligence

Threat intelligence service providing threat profiles and analytics for MDR

Cotool

AI agent platform for SecOps automation, detection tuning, and threat hunting

Sesame IT HOSHI

Curated attack use case platform that feeds threat scenarios into Jizô AI.

Anvilogic AI SOC

AI-powered SOC platform for detection engineering across SIEMs & data lakes

YaraDbg

A free web-based Yara debugger for security analysts to write hunting or detection rules with ease.

LogCraft Detection Engineering

Detection-as-code platform for managing detection rules across SIEM/EDR/XDR

SOC Prime Threat Detection Marketplace

Threat detection marketplace with Sigma rules for SIEM and shift-left detection

Query.AI Federated Detections

Runs security detections across distributed data sources without SIEM ingestion.

Sigma Query

Searchable repository of Sigma detection rules for threat hunting and SIEM

Sublime Security Sublime Rules

Open-source detection rules for email attacks like BEC, phishing, and malware

BinaryAlert

BinaryAlert is an open-source serverless AWS pipeline that automatically scans files uploaded to S3 buckets with YARA rules and generates immediate alerts when malware is detected.

Detection Rules

Home for rules used by Elastic Security with code for unit testing, Kibana integration, and Red Team Automation.

EQL Analytics Library

A library of event-based analytics written in EQL to detect adversary behaviors identified in MITRE ATT&CK, providing detection rules for the Elastic Stack.

Falco Rules

A repository of officially managed detection rules for the Falco runtime security monitoring system that identifies threats, abnormal behaviors, and compliance violations through syscall and container event analysis.

detections.ai Detections

Community platform for sharing and creating detection rules with AI

SOC Prime Uncoder AI

IDE for detection engineering with cross-platform translation for 65+ SIEM/EDR/XDR

The Threat Hunter Playbook

A community-driven open source project providing interactive notebooks with detection logic, adversary tradecraft, and resources organized according to MITRE ATT&CK framework for threat hunting and detection development.

Yara-Rules Repository

Repository of YARA rules for Trellix ATR blogposts and investigations

Shotgunyara

A tool that generates Yara rules for strings and their XOR encoded versions, as well as base64-encoded variations with different padding possibilities.

Dorothy

Dorothy is a tool to test monitoring and detection capabilities for Okta environments, with modules mapped to MITRE ATT&CK® tactics.

Splunk Attack Range

An open-source platform that builds instrumented environments, simulates attacks, and integrates with Splunk for detection rule development and testing.

Leonidas

A framework for executing cloud attacker tactics, techniques, and procedures (TTPs) that can generate APIs, Sigma detection rules, and documentation from YAML-based definitions.

Google Security Operations

Cloud-native SIEM, SOAR, and threat intel platform for SecOps teams

Binary Defense Threat Hunting

A managed security service that uses hypothesis-based threat hunting to proactively discover hidden threats, create new detection rules, and improve overall security posture.

Axur AI-Powered Cyber Threat Intelligence

AI-powered cyber threat intelligence platform with real-time monitoring

Hunters Next-Gen SIEM

Next-gen SIEM with AI-powered triage, automated investigation & detection

RuleCheck

Automated QA tool for Elastic Security detection rules and queries.

AttackRuleMap

A mapping tool that correlates MITRE ATT&CK techniques with atomic tests

Stamus Clear NDR Community

Open source Suricata-based NDR system with threat detection and analysis

InQuest Labs

The Trystero Project is a threat intelligence platform that measures email security efficacy and provides various tools and resources, while VMware Carbon Black offers endpoint protection and workload security solutions.

THOR Lite

A free, fast, and flexible multi-platform IOC and YARA scanner for Windows, Linux, and macOS.

YAYA - Yet Another Yara Automaton

Automatically curate open-source Yara rules and run scans with YAYA.

InQuest YARA Rules

A collection of YARA rules for research and hunting purposes.

LOKI

LOKI is a simple IOC and YARA Scanner for Indicators of Compromise Detection.

Signature-Base

YARA signature and IOC database for LOKI and THOR Lite scanners with high quality rules and IOCs.

statiStrings

A strings statistics calculator for YARA rules to aid malware research.

Sigma

Sigma is a generic and open signature format for SIEM systems and other security tools to detect and respond to threats.

Project Icewater

A project providing open-source YARA rules for malware and malicious file detection

Yara Scanner

A tool for tracking, scanning, and filtering yara files with distributed scanning capabilities.

YARA Public YARA rules

A community-maintained repository of YARA rules for detecting and classifying malware based on patterns and characteristics.

GCTI Open Source Detection Signatures

GCTI's open-source detection signatures for malware and threat detection

Google Security Operations Detection Rules

Sample detection rules and dashboards for Google Security Operations

YaraHunter

YaraHunter scans container images, running Docker containers, and filesystems using YARA rules to detect malware indicators and signs of compromise.