The growing number of attack vectors, hybrid environments and distributed IT systems mean that traditional security approaches are no longer sufficient. Separate tools for endpoints, network, mail or cloud generate a huge number of alerts, but do not always provide the full context of the threat. The answer to these challenges is XDR (Extended Detection and Response), an integrated approach to cyber security that combines data from multiple layers of infrastructure. One of the solutions in the XDR class is the platform Trellix.
Key findings
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XDR integrates data from multiple security systems into a single platform
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Event correlation reduces incident detection and response time
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Reducing false alerts increases efficiency of SOC teams
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Trellix combines EDR, network analytics and telemetry in one ecosystem
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Response automation reduces the impact of attacks
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Visibility of the entire IT environment increases organizational resilience
Table of contents
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What is XDR and why was it created
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Limitations of the traditional approach to security
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How correlation and analysis works in the XDR model
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XDR architecture in practice – Trellix
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Business benefits of implementing XDR
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FAQ
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Summary
What is XDR and why was it created
XDR (Extended Detection and Response) is an extension of the EDR (Endpoint Detection and Response) concept. While EDR focuses mainly on endpoint protection, XDR extends the analysis to:
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network traffic
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email
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cloud servers and workloads
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identity systems
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application logs
The goal of the XDR is to provide the full context of an incident by integrating data from different sources and correlating them in a single system.
Limitations of the traditional approach to security
In many organizations, security is based on a set of separate tools:
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antivirus or EDR
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firewall
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IDS/IPS systems
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email security gateways
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SIEM
Although each of these solutions performs a specific function, the lack of integration results:
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dispersion of data
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excessive alerts
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lack of context for the incidents
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long analysis and reaction time
SOC teams often have to manually combine information from multiple systems, which increases attack detection time (MTTD) and response time (MTTR).
How correlation and analysis works in the XDR model
XDR aggregates telemetry data from multiple infrastructure layers and analyzes it in an integrated manner. Key performance elements include:
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correlation of events from different sources
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behavioral analysis and anomaly detection
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use of artificial intelligence and machine learning
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Prioritization of alerts based on risk
This allows individual, seemingly harmless events to be combined into a single coherent attack picture. This significantly increases the effectiveness of detection and reduces the number of false alarms.
XDR architecture in practice – Trellix
Platform Trellix offers an advanced XDR approach, integrating:
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endpoint protection (EDR)
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network traffic analysis
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email protection
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telemetry from cloud systems
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central management and reporting
Trellix enables the creation of automated response playbooks that isolate compromised devices, block malicious processes and minimize the spread of the attack.
Integrated dashboards provide full visibility into incidents and their lifecycle, allowing security teams to make decisions faster.
Business benefits of implementing XDR
Implementation of the XDR approach translates into:
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Reduce the time to detect an incident
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faster response to threats
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reduction of SOC operating costs
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fewer false alerts
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Better protection of the company’s data and reputation
From a business perspective, XDR is not just about technology – it’s part of building organizational resilience and minimizing the risk of downtime.
FAQ
What is the difference between XDR and EDR?
EDR focuses on endpoints, while XDR integrates data from multiple layers of infrastructure.
Does the XDR replace the SIEM?
XDR can work with SIEM, but offers more integrated analysis and response automation.
Is it complicated to implement the XDR?
Modern platforms, such as Trellix, allow flexible deployment and integration with existing infrastructure.
Summary
XDR is the answer to the growing complexity of threats and IT environments. Integrating endpoint, network, cloud and mail data into a single system allows attacks to be detected and neutralized faster. The Trellix platform provides a comprehensive approach to cyber security, combining event correlation, behavioral analysis and response automation. As a result, organizations gain greater visibility, faster response times and realistically higher levels of protection.
