Best Cross-Platform EDR Tools Compared for 2026: Choosing EDR for Windows, macOS, and Linux 

Quick answer 

The best cross-platform EDR platforms provide consistent endpoint detection and response across Windows, macOS, and Linux. That means the same depth of telemetry, behavioral detection, and automated response on every operating system, managed from one console. When comparing tools, evaluate four criteria: OS coverage and feature parity, detection quality, response workflows, and platform fit. Leading options include CrowdStrike Falcon, SentinelOne Singularity, Microsoft Defender for Endpoint, Palo Alto Networks Cortex XDR, Sophos, Trend Micro, Bitdefender, Elastic, and Seceon aiXDR-PMax. Seceon stands out by combining EDR, EPP, DLP, and file integrity monitoring in one lightweight agent that feeds a unified SIEM, NDR, UEBA, and SOAR platform. 

Enterprise endpoint estates are no longer Windows-only. Developers and executives run macOS. Production workloads, containers, and cloud infrastructure run on Linux. Attackers know this and increasingly target the operating systems where visibility is weakest. 

Many EDR tools were built for Windows first, and their macOS and Linux support can lag in telemetry depth, detection content, or response actions. This guide shows how to evaluate cross-platform EDR platforms on the criteria that matter at the decision stage, compares leading vendors, and explains where Seceon fits.

What Is Cross-Platform EDR?

Quick answer 

Cross-platform EDR is endpoint detection and response that protects Windows, macOS, and Linux endpoints and servers with consistent monitoring, detection, investigation, and response capabilities from a single management console and policy framework. 

A true cross-platform EDR platform provides: 

• One agent family across operating systems, with a consistent policy model 

• Comparable telemetry on each OS: processes, files, network connections, users, and scripts 

• Behavioral detection tuned to each OS’s attack techniques 

• Equivalent response actions on every platform, including isolation, process termination, and evidence collection 

• One console for investigation, rather than separate tools per OS 

The key word is consistent. Supporting an operating system and protecting it equally well are not the same thing. 

Why OS Parity Matters: Threats Differ by Platform 

Each operating system has its own attack surface. Your EDR must detect the techniques that matter on each one.

Figure 1. Common attack techniques by operating system, and what cross-platform EDR should deliver 

Linux gaps are often the most costly because Linux runs the servers, databases, and cloud workloads that hold the most valuable data. 

Four Criteria for Comparing Cross-Platform EDR Platforms 

Coverage and feature parity

Confirm supported OS versions, Linux distributions, and kernel versions, including legacy servers. Then check parity: does every detection and response feature available on Windows also work on macOS and Linux? 

Detection quality

Look for behavioral detection that catches unknown threats without relying on signatures, including fileless malware, memory injection, and credential theft. Ask how detections map to MITRE ATT&CK for each OS, and test false-positive rates in your environment. 

Response workflows

Check which response actions are available per OS: network isolation, process kill, file quarantine, hash blocking, and forensic evidence collection. Confirm whether response can be automated through playbooks, and whether it requires a separate SOAR product. 

Platform fit

Assess agent footprint, deployment tooling (MDM, configuration management, cloud-native deployment), integration with your SIEM and identity stack, and, for MSSPs, multi-tenancy and per-tenant policy management. 

Cross-platform EDR evaluation matrix 

Best Cross-Platform EDR Tools Compared 

The platforms below all support Windows, macOS, and Linux. They differ in architecture, depth per OS, and how endpoint data connects to the rest of the security stack. 

Summarized from publicly available vendor information as of 2026. OS support and capabilities vary by version and license; validate during evaluation. 

A note on independent testing 

Independent evaluations are useful, but they should be one input, not the decision. Several major EDR vendors did not take part in the 2025 MITRE ATT&CK Evaluations: Enterprise, so published results do not cover the whole market. Always test candidate platforms against your own mix of Windows, macOS, and Linux systems. 

Standalone EDR vs EDR Inside a Unified Platform 

A standalone EDR can be the right choice if you already run a mature SIEM and SOAR stack and have the engineering capacity to integrate them. For teams that want fewer tools and faster multiplatform cybersecurity outcomes, EDR inside a unified platform removes the integration work. 

How Seceon aiXDR-PMax Delivers Cross-Platform Endpoint Detection and Response 

Seceon aiXDR-PMax is the endpoint layer of the Seceon Open Threat Management (OTM) Platform. It provides EDR, endpoint protection (EPP), data loss prevention (DLP), and file integrity monitoring (FIM) in a single lightweight agent, managed from the same console as aiSIEM, NDR, UEBA, and aiSOAR. 

Figure 2. One aiXDR-PMax agent feeding the unified Seceon OTM Platform 

One agent across Windows, macOS, and Linux 

The aiXDR-PMax agent supports Windows 10/11 and Windows Server 2008 and later, macOS 12 and later, and Linux kernel 4.19 and later across RHEL, Ubuntu, SUSE, and Amazon Linux. The agent uses under 50 MB installed and under 1% CPU when idle, so it can run on production servers. 

Behavioral detection from day one 

Detection is behavioral, not signature-dependent, so unknown threats are caught from the first day of deployment. Memory forensics and process chain analysis detect fileless malware, process injection, code hollowing, and credential dumping. Ransomware pre-encryption behavior triggers alerts before files are lost. 

Endpoint data that correlates with everything else 

All endpoint telemetry is normalized into the Seceon Event Format and correlates natively with aiSIEM, NDR, and UEBA data. A suspicious process on a Linux server, an unusual east-west connection, and an anomalous login become one prioritized incident with full attack-chain reconstruction. 

Automated response on every OS 

Native aiSOAR executes endpoint isolation, process termination, hash blocking, and evidence collection automatically, with sub-90-second automated response. About 70% of incident response is automated. 

Built-in DLP and file integrity monitoring 

The same agent monitors sensitive data movement (PII, PHI, PCI data, and credentials) and tracks file creation, modification, and deletion on critical paths across Windows, Linux, and macOS. FIM provides compliance evidence for PCI DSS, HIPAA, SOX, NIST, and CERT-In. 

Forensics and threat hunting 

aiXDR-PMax supports IOC-based and YARA rule-based scanning across Windows, Linux, and macOS, with real-time and scheduled modes. Evidence artifacts are hashed with SHA-256 at acquisition to preserve chain of custody. 

Cloud-native deployment 

Agents can be deployed through AWS Systems Manager, Azure VM extensions, Google Cloud OS Config, Kubernetes DaemonSets, and Chef, Puppet, or Ansible. 

Works with your existing EDR 

Already running CrowdStrike, SentinelOne, Carbon Black, or Microsoft Defender? Seceon can ingest and correlate that EDR’s telemetry in integration mode, adding cross-domain detection and automated response without an immediate rip-and-replace. 

MSSP-ready multi-tenancy 

Seceon’s multi-tenant, multi-tier architecture lets MSSPs manage endpoint security for many customers from one console, with tenant isolation and per-tenant policies. 

Seceon aiXDR-PMax at a glance 

Per Seceon aiXDR-PMax datasheet, April 2026. Validate specific OS versions for your environment. 

Which Cross-Platform EDR Should You Choose?