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Microsoft Sentinel and Microsoft 365 Defender is a free tool. Security professionals most commonly compare it with . All 196 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 Microsoft Sentinel and Microsoft 365 Defender, including their key features and shared capabilities.
SIEM platform for centralized security visibility and threat detection
Unified observability platform for IT infrastructure, apps, and databases
Cloud-based SIEM for threat detection and security monitoring
SIEM platform with user analytics and automation for threat detection
Observability platform with unified query engine for logs, metrics, and traces
Security data pipeline & analytics platform for SOC operations & reporting
SIEM platform with real-time threat detection, log analysis, and visualization
Security data platform for log analysis, metrics, and threat hunting
SIEM platform for centralized security visibility and threat detection
Unified observability platform for IT infrastructure, apps, and databases
Cloud-based SIEM for threat detection and security monitoring
SIEM platform with user analytics and automation for threat detection
Observability platform with unified query engine for logs, metrics, and traces
Security data pipeline & analytics platform for SOC operations & reporting
SIEM platform with real-time threat detection, log analysis, and visualization
Security data platform for log analysis, metrics, and threat hunting
Unified security operations platform combining SIEM, TI, UEBA, and TDIR
A security information and event management solution that collects, normalizes, and analyzes log data from across an organization's infrastructure to enhance threat detection and compliance reporting.
A centralized management console for efficiently operating and monitoring large-scale, multitenant Logpoint SIEM deployments across customers, geographies, and organizational divisions.
AI-powered observability platform for IT infrastructure monitoring
Centralized IT alert management platform for monitoring tools and applications
Big data log management platform for collection, parsing, storage & analysis
Data pipeline mgmt for SOC transformation with real-time data processing
Distributed search and analytics engine for real-time data storage and retrieval
Open source interface for querying, analyzing, and visualizing Elasticsearch data
Data ingestion platform for collecting logs, metrics, traces from multiple sources
Observability platform for logs, metrics, traces, and APM with AI-driven analysis
Search AI platform with vector database for logs, threat hunting, and AI apps
Enterprise log management software for collecting and centralizing log data
Enterprise log management appliance for collecting, indexing, and searching logs
AI-powered SIEM, API security, and log management platform
AI-powered SIEM, API security, and log management platform
AI-powered SIEM, API security, and log management platform
AI-powered SIEM platform for log management, threat detection, and IT ops
Cloud-native SIEM for log management, threat detection, investigation, and response
SIEM solution for threat detection, log management, and compliance reporting
Security data pipeline platform for collecting, curating, and routing logs
SIEM solution for log correlation, threat detection, and compliance monitoring
SIEM platform with real-time monitoring, threat detection, and analytics
SIEM for log collection, correlation, archiving, and alerting within XDR platform
Hosted SIEM-as-a-Service with 24/7 SOC monitoring and MXDR integration
Managed SIEM service with log collection, threat detection, and compliance
Next-gen SIEM with AI-powered triage, automated investigation & detection
Cloud-native SIEM for real-time threat detection and investigation
Cloud-based log analytics platform for security monitoring and threat detection
Prometheus-based infrastructure monitoring with unified logs, metrics, and traces
Managed SIEM with 24/7 AI-assisted SOC for threat detection and compliance
Real-time threat detection and telemetry routing platform for security data
Data normalization engine that unifies telemetry across security tools
Unified observability platform deployed in customer cloud infrastructure
Data lakehouse for observability, security, and business analytics at scale
Infrastructure monitoring & observability platform for hybrid/cloud environments
Cloud-native SIEM with unified search across security logs and data lake
Next-gen SIEM for threat detection and response with compliance reporting
Cybersecurity monitoring and threat detection platform
Cloud-based log management solution for collection, storage, and analysis.
SIEM/SOAR platform for threat detection, response automation, and compliance
Security monitoring service for IT risk assessment and security posture mgmt
Log management and SIEM platform for event correlation and threat detection
Central security log management with auto-discovery and e-documentation (CMDB).
File and registry integrity monitoring for compliance and change detection
Centralized SIEM platform for aggregating and analyzing telemetry data.
Open-source SIEM and XDR platform for threat detection and response
Security data operations platform for log routing, detection, and analytics
SIEM platform with SOAR, threat detection, and big data analytics
Security data routing platform for connecting security tools to SIEMs
Customizable security log generation with code-based rules for SIEM enrichment
Cost-efficient security data storage with SQL search and MDR integration
AI-powered data fabric for ingesting, normalizing & unifying security data
Cloud-native SIEM with AI-powered threat detection and noise reduction
Web3-focused SOC platform for blockchain security monitoring and threat response
SIEM solution for centralized security event monitoring and threat detection
AI agent for security data pipeline automation and transformation
SIEM optimization software for Microsoft Sentinel with ML-based tuning
Security log analysis platform with AI-powered dashboards and query generation
Security log processing platform for routing, transforming, and filtering logs
Connects Olfeo web security gateway logs to SIEM and XDR platforms
SIEM solution for log collection, event correlation, and security monitoring
AI-powered data pipeline for security & DevOps telemetry optimization
AI-powered SIEM optimization platform that reduces cost and noise.
Log management suite for IT security and compliance with GDPR, ISO 27001, NIS2.
Security data pipeline platform for routing, enriching, and controlling telemetry.
Telemetry pipeline platform for routing & optimizing logs, metrics, traces, and events.
Log pipeline platform for processing, routing, and searching logs at scale.
SIEM platform for secure/closed networks with real-time event analysis.
Enterprise SIEM for threat detection, compliance & incident mgmt.
Managed security data pipeline platform for ETL, routing, and transformation.
Managed SIEM with 24x7 SOC, MDR, and security automation services.
Unified SIEM, SOAR, observability, and OT security platform.
Perch Security SIEM, now part of ConnectWise's security platform.
Federated search platform for querying distributed security data in place.
Extends Splunk visibility via federated search across external data sources.
Security data pipeline platform with a query language for log normalization and
Cloud-native IT data analytics platform for machine data ingestion & analysis.
Cloud-native SIEM platform combining SOAR, UEBA, and AI for SOC operations.
Cloud-based security data analytics platform with SIEM, SOAR, and UEBA.
Cloud-native SIEM platform integrating SOAR and UEBA for enterprise SOCs.
Federated security analytics mesh for unified detection across SIEMs & data lakes.
Open agentic SIEM on Databricks lakehouse for petabyte-scale SOC ops.
Security operations platform combining SIEM, UEBA, and SOAR capabilities
Exabeam Security Operations Platform is a cloud-native security platform that applies AI and automation to security operations workflows for threat detection, investigation, and response.
SIEM platform for log management, threat detection, and security monitoring
Open-source log collection, processing, and forwarding tool for log management
A dynamic GUI for advanced log analysis, allowing users to execute SQL queries on structured log data.
A method for log volume reduction without losing analytical capability.
A centralized tool for security monitoring and analysis that integrates various open source big data technologies.
ElastAlert is a framework for alerting on anomalies in Elasticsearch data.
Serverless, real-time data analysis framework for incident detection and response.
Apache Metron is a centralized tool for security monitoring and analysis that integrates various open-source big data technologies.
Sample detection rules and dashboards for Google Security Operations
Python application to translate Zeek logs into ElasticSearch's bulk load JSON format with detailed instructions and features.
A Security Information and Event Management (SIEM) system with a focus on security and minimalism.
Logdissect is a CLI utility and Python library for analyzing log files and other data.
A community-led project focused on standardizing security event logs.
A Python library and command line tool that creates interactive visualizations for log data analysis with zoom and navigation capabilities.
A framework for creating standardized cybersecurity event schemas in JSON format that enables interoperability across security tools and platforms.
A command-line tool for searching AWS CloudWatch logs using pattern matching with configurable parameters for log groups, time ranges, and regions.
An open source cloud-native security data lake platform for AWS that normalizes security logs into structured data with Detection-as-Code capabilities and vendor-neutral storage using open standards.
Steampipe is a zero-ETL solution for getting data directly from APIs and services.
A collection of detections for Panther SIEM with detailed setup instructions.
IBM QRadar is a SIEM solution for real-time threat detection.
Open-source abuse management toolkit for automating and improving the abuse handling process.
Datadog offers a comprehensive suite of cybersecurity tools for various aspects of application and infrastructure monitoring.
AI-driven SOC platform with unified data lake, threat intel, and automation
AI-native SIEM platform for consolidating security tools and data
AI-driven SIEM alternative with managed SOC for threat detection and response
AI-powered, cloud-native SIEM platform with federated architecture & automation
Unified O&M cloud platform for network and IT infrastructure management
Cloud-native SIEM platform with UEBA, SOAR, TIP, and TDIR capabilities
Cloud-native SIEM with AI-driven analytics and unified security operations
Cloud-native SIEM, SOAR, and threat intel platform for SecOps teams
Enterprise cybersecurity platform with SIEM, SOC monitoring, and AI tools
Security analytics platform for HPE NonStop Integrity Servers
AI-powered SOC platform with threat intelligence for detection and response
AI-powered cloud-native SIEM with unified visibility and automated response
Detection-as-code platform for managing detection rules across SIEM/EDR/XDR
File integrity monitoring and security configuration management platform
Centralized cloud mgmt platform for WatchGuard security solutions
File integrity monitoring for Windows, Linux & network devices
SIEM platform with native threat intel, AI analytics, and Security Data Lake
AI-powered security platform for natural language queries across petabytes of data
AI-driven SIEM platform for real-time threat detection and response
AI-driven DNS threat intel analysis platform for SOC alert reduction
Cloud-native data analytics platform for security and digital ops management
Automates security metrics measurement and reporting for posture management.
Unified SIEM platform with integrated SOAR, UEBA, and AI capabilities for TDIR
Unified security operations platform for threat detection, investigation & response
Security dashboard for remote network visibility and policy enforcement
AI-powered SIEM with automated threat detection and response capabilities
AI-powered SIEM for cloud security across Microsoft 365, Azure, AWS, and GCP
AI-powered SIEM unifying SIEM, UEBA, SOAR, and DPM capabilities
AI platform for observability, security, and operations automation
Managed SIEM solution with threat detection and CyberSOC analyst support
AI-powered platform that automates detection engineering to expand SIEM & EDR coverage.
AI-powered infrastructure visibility platform for SecOps and IT teams
Cloud-hosted security operations platform with SIEM, orchestration & TI
SIEM platform for security monitoring and event management
Investigative intelligence platform for security and threat analysis
IDE for detection engineering with cross-platform translation for 65+ SIEM/EDR/XDR
Web-based C3ISR system for monitoring globally distributed mobile devices & assets
Unified Zero Trust platform for enterprise security visibility and control
AI-driven SIEM platform with unlimited data processing and automated response
Integrated threat protection platform with SIEM, IDS/IPS, and analytics
Centralized mgmt dashboard for Privafy data-in-motion security products
Microsoft 365 user activity monitoring and behavior analysis platform
SOC platform for detecting, analyzing, and responding to network anomalies
AI-powered security operations platform for data analysis and threat mgmt
OT/IT threat visibility platform with context-driven prioritization
Managed SIEM service with 24/7 threat detection and incident response
Security data mesh that integrates and normalizes telemetry from 150+ tools
Detection engineering control plane with CI/CD for SIEM, XDR, and data lakes
Network-wide threat monitoring & situational awareness platform for enterprises.
Big data analytics SIEM extension with AI/ML, SOAR, and threat hunting.
Next-Gen FIM solution for real-time change detection and integrity assurance.
Real-time file integrity monitoring and change management platform.
Fraud detection & prevention platform for banking and credit unions.
Query, analytics & AI/ML management interface for DTACT Fusion data.
SIEM platform for small teams with threat detection & event observability.
Security platform for healthtech startups covering vuln mgmt, SIEM & compliance.
AI-driven SIEM with streaming analytics, UEBA, and autonomous SOC workflows.
Real-time SIEM platform for enterprise and MSSP threat detection and SOC ops.
Multi-tenant SIEM platform built for MSSPs to manage threats across customers.
Real-time threat detection & health monitoring for Windows/Exchange servers.
AI-powered SIEM software and cybersecurity advisory services firm.
Patented ML-based behavioral analytics engine for CI/CD & cloud risk detection.
File integrity monitoring system detecting changes to critical files & registry
AI-powered SOC platform for detection engineering across SIEMs & data lakes
Cybersecurity reporting solution that automates and standardizes report generation
AlienVault OSSIM provides an all-in-one security management solution with asset discovery, vulnerability assessment, and SIEM capabilities.
Searchable repository of Sigma detection rules for threat hunting and SIEM
Cloud-native system call and audit log analysis tool based on Wireshark
Event Log Explorer is a software solution for viewing, analyzing, and monitoring events recorded in Microsoft Windows event logs, offering advanced features and efficient filtering capabilities.
SysmonSearch makes event log analysis more effective by aggregating Microsoft Sysmon logs and providing detailed analysis through Elasticsearch and Kibana.
Sigma is a generic and open signature format for SIEM systems and other security tools to detect and respond to threats.
A Sysmon configuration file template with detailed explanations and tutorial-like features.
A cloud-native, event-driven data pipeline toolkit for security teams that processes and routes data across AWS services with custom formatting and API enrichment capabilities.
Home for rules used by Elastic Security with code for unit testing, Kibana integration, and Red Team Automation.
Converts Sigma and Yara rules to CRYPTTECH's SIEM query language.
A Sysmon configuration repository for customizing Microsoft Sysinternals Sysmon configurations with modular setup.
Export Kubernetes events for observability and alerting purposes with flexible routing options.
SCOT is a cybersecurity incident tracking and management platform that enables security operations centers to document, analyze, and coordinate responses to security events through collaborative workflows.
An alternative to the auditd daemon with goals of safety, speed, JSON output, and pluggable pipelines connecting to the Linux kernel via netlink.
Access a repository of Analytic Stories and security guides mapped to industry frameworks, with Splunk searches, machine learning algorithms, and playbooks for threat detection and response.
Tenzir is a data pipeline solution that provides security data management capabilities through pipelines, nodes, and a centralized platform for analytics and detection operations.
Common questions security professionals ask when evaluating alternatives and competitors to Microsoft Sentinel and Microsoft 365 Defender.
The most popular alternatives to Microsoft Sentinel and Microsoft 365 Defender include IBM QRadar SIEM, SolarWinds Observability, Datadog Cloud SIEM, DNIF HYPERCLOUD, and Coralogix DataPrime Engine. These Security Information and Event Management tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
