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Decision guide · Security

How to choose an EDR or XDR platform in 2026

EDR / XDR selection fails on alignment, not on product analysis. The right 2026 decision captures weighted criteria (detection depth, identity integration, sovereign hosting, TCO), separates hard dealbreakers (data residency, specific compliance controls) from scored criteria, aligns CISO, SOC-lead, IT-Ops and Finance on the same memo, and produces a document that survives NIS2 Art. 20 review. The vendor choice itself is downstream.

TL;DR

EDR decisions fail on alignment, not on product features. Decide the criteria first.

Who owns this decision

CISO as decision owner, SOC-lead as co-evaluator, CIO or CTO as approver, Data Protection Officer and Finance as reviewers.

Key criteria to weight

  • Detection depth and engine quality

    Test with your actual telemetry, not vendor marketing. MITRE ATT&CK evaluations are a starting point, not an endpoint.

  • Identity and email integration

    Modern attacks start at identity. Weak identity integration caps XDR value.

  • Data residency and sovereignty

    EU-hosted tenants, sovereign cloud options, key management. Often a hard dealbreaker under NIS2 / DORA.

  • MDR option

    24/7 coverage is table stakes. Do you buy the vendor's MDR, bring your own SOC, or hybrid?

  • TCO over 3 years

    Licence price is the smallest line item. Agents, training, tuning, ingest costs dominate.

  • Exit path

    Data portability, API completeness, parallel-run feasibility. DORA Art. 28 makes this explicit.

Step-by-step decision flow

  1. 1

    Scope the decision

    Mission, trigger, urgency, audience. If the trigger is audit, say so; if it is renewal, say so. Capture it, do not assume it.

  2. 2

    Set dealbreakers

    Data residency, required certifications, identity integration stack, deployment model. Dealbreakers are binary, not scored.

  3. 3

    Weight the criteria

    Assign weights to scored criteria with the CISO and SOC-lead together, not in isolation. Weights drive the outcome.

  4. 4

    Shortlist 3,5 options including status quo

    Always include status quo and one in-house or bundled option. The decision memo must survive a board question about why the incumbent was ruled out.

  5. 5

    Run a structured PoC

    Four weeks, red-team scenarios, your own telemetry, measurable outcomes. Do not let vendors script the PoC.

  6. 6

    Score, document, decide

    Score against weighted criteria, capture evidence per cell, log residual risks, produce the memo. Readiness score above 70 is the signal to present.

Vendor market structure

Strukturvergleich der relevanten EDR/XDR-Plattformen für DACH-Mid-Market und Enterprise. Werte stammen aus öffentlich zugänglichen Vendor-Quellen, Listenpreise sind in vielen Fällen nicht öffentlich (Eintrag 'auf Anfrage').

VendorDetection-EngineEU-HostingMDR enthaltenIdentity-IntegrationMITRE ATT&CK 2024Listenpreis pro Endpoint/Jahr
CrowdStrike Falcon ↗Cloud-native Sensor mit AI-getriebenen IndikatorenEU-Region (Deutschland) verfügbarFalcon Complete optionales BundleIdentity Threat Detection als Modul (ITP)Hohe Detection-Coverage in der 2024er Rundeauf Anfrage
SentinelOne Singularity ↗Autonomer Agent mit Behavioral AIEU-Datacenter verfügbarVigilance MDR optionalIdentity-Modul über Singularity IdentityHohe Detection-Coverage in der 2024er Rundeauf Anfrage
Microsoft Defender XDR ↗Cloud-native, integriert in M365 und EntraEU Data BoundaryDefender Experts on demandNative Entra ID, sehr tiefSolide Detection in der 2024er Rundein M365 E5 enthalten oder Standalone Defender for Endpoint Plan
Sophos Intercept X / MDR ↗Deep-Learning EDR + Active Adversary MitigationsEU-Region (Deutschland) verfügbarSophos MDR im Portfolioüber Sophos Central und Marketplace-IntegrationenSolide Detection-Coverage 2024auf Anfrage, Mid-Market-orientiert
Trend Micro Vision One ↗XDR-Plattform mit Sensor-KonsolidierungEU-Datacenter verfügbarService One MDR optionalIdentity-Modul integriertSolide Detection-Coverage 2024auf Anfrage
Bitdefender GravityZone ↗Single-Agent EDR/XDR auf gemeinsamer PlattformEU-Region verfügbarMDR-Service optionalüber Active-Directory-IntegrationSolide Detection-Coverage 2024auf Anfrage, Mid-Market-orientiert
Palo Alto Cortex XDR ↗Cortex XDR mit XSIAM-RoadmapEU-Region verfügbarUnit 42 MDR optionalIdentity-Telemetrie über ConnectorHohe Detection-Coverage in der 2024er Rundeauf Anfrage

Stand: 2026-04. Basierend auf öffentlich zugänglichen Vendor-Angaben. Stand April 2026. Eigene Validierung über DecisionOS-Profil empfohlen.

Anonymised memo excerpt

Maschinenbau, 180 Mitarbeiter, NIS2 in scope, einzelner IT-Sicherheitsverantwortlicher

Readiness score

78

Trigger
Bestehender AV-Vertrag läuft Q3 2026 aus, NIS2 Art. 21 verlangt nachweisbares Risikomanagement und das Audit führt zu erhöhter Aufmerksamkeit auf Endpoint-Detection-Fähigkeiten.
Top criteria (weights)
  • Detection-Engine-Tiefe25%
  • EU-Hosting / Sovereign Tenant20%
  • MDR enthalten20%
  • Identity-Integration mit Entra ID15%
  • TCO über 3 Jahre15%
  • Exit-Pfad und Datenportabilität5%
Shortlist
  • Sophos Intercept X mit Sophos MDR
  • Microsoft Defender XDR (im M365 E5)
  • SentinelOne Singularity mit Vigilance
Decision
Sophos Intercept X plus Sophos MDR für 24/7-Coverage, EU-Hosting in Deutschland, dreijähriger Vertrag.
Rationale
Defender war wegen geringer M365-E5-Durchdringung nicht voll wirtschaftlich. SentinelOne wurde wegen begrenzter MDR-Präsenz im Mid-Market und höherer Personalanforderung im SOC-Hand-off ausgeschlossen. Sophos liefert ausreichende Detection-Tiefe, ein DACH-orientiertes MDR-Service-Niveau und eine klare EU-Datenresidenz.
Residual risks
  • Sophos-XDR-Telemetrie aus Cloud-Workloads abhängig von Defender-Quellen
  • Wechsel zu nativem XDR in 24-36 Monaten erforderlich, falls Cloud-Footprint waechst
Run your own memo →

Compliance note

Under NIS2 Art. 21, EDR belongs to cybersecurity risk-management measures. The decision memo serves as the evidence trail. Under DORA Art. 28 bis 30, the selection must include concentration-risk and exit-strategy analysis.

Common pitfalls

  • !Running a vendor-scripted PoC instead of your own scenarios.
  • !Treating MDR as an afterthought rather than a core criterion.
  • !Skipping the identity integration deep dive.
  • !Mixing dealbreakers into the weighted score grid.
  • !Leaving the CFO out until the final round.

FAQ

What is the difference between EDR and XDR?

EDR (Endpoint Detection and Response) focuses on endpoint telemetry: laptops, servers, workstations. XDR (Extended Detection and Response) correlates endpoint telemetry with network, identity, email and cloud signals. Most vendors now market an XDR story; the buying question is whether the XDR extensions are natively built or bolted on.

How long does an EDR selection take on average?

Without structured infrastructure, 6 to 10 months, including RFP, PoC and stakeholder rounds. With DecisionOS as the decision layer on top, teams compress the evaluation and memo production to a few weeks. The PoC itself still takes the time it takes.

Should I replace the bundled EDR that ships with my XDR platform?

Only if the bundled EDR fails one or more dealbreakers (detection depth, identity integration, specific compliance control). A standalone best-of-breed EDR adds cost and integration complexity; the decision memo should force that trade-off to be explicit rather than assumed.

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