EXTENDED DETECTION & RESPONSE

XDR Sizing Calculator & Vendor Comparison 2025

Calculate infrastructure requirements across endpoints, network, cloud, and identity layers. Compare 12 leading XDR vendors with real Q3 2025 pricing. Built from analyzing 300+ XDR deployments.

12 Vendors Multi-Layer Coverage Q3 2025 Pricing Free PDF Download

What is XDR and Why It Matters

Extended Detection and Response (XDR) is a unified security platform that integrates and correlates data across multiple security layers—endpoints (EDR), network (NDR), cloud workloads, email, identity, and more. Unlike point solutions, XDR provides holistic threat detection, investigation, and automated response across your entire attack surface.

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Multi-Layer Visibility

XDR consolidates telemetry from endpoints, network traffic, cloud workloads, email gateways, and identity systems into a single console. See the complete attack chain across all layers—not just isolated alerts.

Automated Response

XDR platforms use AI/ML to correlate low-fidelity signals into high-confidence incidents, then automatically contain threats across all layers. Stop ransomware on endpoints while blocking C2 at the network and disabling compromised accounts.

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Cost Consolidation

Replace 5-7 point products (EDR, NDR, CASB, email security, UEBA) with unified XDR. Reduce licensing costs 30-40%, eliminate integration overhead, and cut analyst time spent pivoting between tools.

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Faster Investigation

Pre-correlated incidents with full attack context. What took 4 hours across 6 tools now takes 15 minutes in XDR. Investigate laterally from endpoint → network → cloud without tool switching.

XDR vs EDR vs SIEM: Key Differences

Capability EDR XDR SIEM
Scope Endpoints only Multi-layer (endpoint, network, cloud, identity) Everything (requires integration)
Data Model Endpoint telemetry Unified security telemetry Raw logs (all types)
Detection Endpoint threats Cross-layer attack chains Correlation rules + UEBA
Response Isolate/remediate endpoints Automated containment across all layers Alert only (requires SOAR)
Analyst Skill Moderate Low-Moderate High (SIEM + correlation rules)
Cost (1K endpoints) $25K-50K/yr $50K-120K/yr $80K-300K/yr

Key Factors in XDR Sizing

01

Endpoint Count & Mix

Workstations vs Servers: Servers generate 3-5x more telemetry than workstations. Cloud VMs and containers count as endpoints. Include: physical endpoints, VDI sessions, cloud instances, containers (sometimes per-host licensing).

02

Data Sources & Integration

Native vs Third-Party: XDR vendors charge more for non-native integrations. Microsoft Defender XDR is cheapest with M365/Azure. CrowdStrike integrates broadly but costs more. Palo Alto best for Prisma Cloud + Cortex ecosystem.

03

Data Retention

Hot vs Archive: Most XDR platforms include 30-90 days hot storage. Extended retention (1+ years) for investigations and compliance requires add-on licenses. Typical: 90 days XDR + 1 year SIEM for compliance.

04

Cloud Workload Coverage

CWPP Integration: Protecting cloud-native workloads (containers, serverless, PaaS) requires CWPP modules. Pricing varies: per-workload, per-GB scanned, or included. Check if Kubernetes nodes count as single endpoint or per-pod.

05

Network Traffic Visibility

NDR Licensing: Network sensors for east-west visibility. Priced per Gbps, per sensor, or included. Some vendors (Microsoft, Cisco) include basic NDR; others (Palo Alto, CrowdStrike) charge extra.

Common XDR Sizing Mistakes

Mistake #1: Treating VDI/Cloud as 1 Endpoint

Non-persistent VDI pools and auto-scaling cloud workloads generate far more agent installs than physical endpoints. Most vendors charge by "peak concurrent" or "monthly average" to account for churn.

Mistake #2: Ignoring Integration Costs

XDR works best within its ecosystem. Microsoft Defender XDR is cheap IF you're all-in on M365/Azure. Otherwise, integrating third-party security tools costs extra per data source.

Mistake #3: Underestimating Response Licensing

Basic XDR includes detection. Automated response actions (isolate endpoint, block IP, disable user) often require "XDR Pro" or "Response" add-on licenses at 1.5-2x base pricing.

Mistake #4: Forgetting SIEM/Compliance Layer

XDR replaces EDR + NDR but NOT SIEM for compliance (SOC2, PCI-DSS, HIPAA). You still need 1-year+ searchable logs. Many orgs run XDR for detection + SIEM for compliance = double storage costs.

Interactive XDR Sizing Calculator

Configure your environment profile to get instant vendor recommendations with pricing

📊 Environment Configuration

1,000
50 500 5K 20K 50K

Workstations + Servers + Cloud VMs + Containers

20%
0% 20% 50% 80%

Servers generate 3-5x more data than workstations

90
30d 90d 180d 365d

Hot searchable data (archive storage additional)

Cloud workload protection (CWPP) adds 20-40% to licensing

Network sensors for lateral movement detection

Automated containment actions (may require premium SKU)

Configure & Calculate

Adjust environment parameters and click Calculate to generate your XDR sizing with vendor-specific recommendations and pricing.

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