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3 Key Tools for Cyber Defense: EDR, NDR and SIEM

January 16, 2024

Is your business’ cybersecurity up to par? There are a variety of tools that can help, including EDR, NDR and SIEM. We explore the three tools here.

The SOC (Security Operations Center) visibility triad, comprising Security Information and Event Management (SIEM), Network Detection and Response (NDR), and Endpoint Detection and Response (EDR), is a comprehensive approach to enhancing cybersecurity. Each component plays a crucial role in fortifying the overall security posture of an organization.

3 Key tools for cyber defense

1. SIEM (Security Information and Event Management):

SIEM acts as the first line of defense in network security by providing real-time identification, monitoring, recording, and analysis of cybersecurity events. SIEM relies on logging mechanisms to detect threats and vulnerabilities, and its effectiveness is contingent on reliable data sources. Data feeds and coverage are pivotal for a SIEM as it is only as accurate as the information it receives.

2. NDR (Network Detection and Response):

NDR complements SIEM by offering a strategy to gain comprehensive insights into both known and unknown threats within an organization's network. While SIEM focuses on log analysis, NDR correlates detected threats with network activity, addressing potential logging gaps. NDR provides essential network data to add context to threats identified by SIEM. The synergy of SIEM and NDR enhances network visibility, analytics, and the ability to respond promptly to security threats.

3. EDR (Endpoint Detection and Response):

EDR concentrates on endpoint security, combining data collection, real-time threat monitoring, analysis, and automated remediation capabilities. It is behavior-oriented, detecting malicious activities directly on endpoints such as servers, desktops, and laptops. While EDR alone may not be fully scalable, when integrated with SIEM and NDR, it becomes a valuable tool for recognizing early signs of an attack. This enables security teams to isolate affected hosts for further investigation.

The strength of the SOC visibility triad lies in the collaboration of its components. On their own SIEM, NDR, and EDR have unique capabilities and limitations, but when combined, they create a formidable, multi-layered defense against cyber threats. This collaborative approach maximizes the diversity of the solutions, offering a robust and comprehensive strategy for network security.

The triad not only identifies and responds to threats effectively but also provides a proactive stance, recognizing potential security issues at the earliest stages of an attack. In essence, the SOC visibility triad is a powerful and holistic approach to securing an organization's digital assets.

Want to get started with SIEM, NDR and EDR? We can help.

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