A security team at a growing organization is struggling to keep up with the volume of security alerts from various sources, including firewalls, servers, and endpoint protection software. This alert fatigue is making it difficult to distinguish real threats from false positives. Which of the following solutions would be MOST effective for consolidating these disparate alerts and improving the team's incident response capabilities?
Upgrade the perimeter firewall to a next-generation model with application-layer inspection.
Deploy an advanced endpoint detection and response (EDR) solution on all workstations and servers.
Implement a centralized system that aggregates logs, correlates events from multiple sources, and provides unified alerting.
Install a network-based data loss prevention (DLP) tool at the internet gateway.
The most effective solution for the described scenario is a system that aggregates logs and correlates events from multiple sources, which describes the primary function of a Security Information and Event Management (SIEM) system. A SIEM provides a centralized view of security data, helping to manage alert fatigue and enabling security teams to analyze incidents holistically. While an advanced Endpoint Detection and Response (EDR) solution, a Data Loss Prevention (DLP) system, and a Next-Generation Firewall (NGFW) are all valuable security tools, their primary functions are more specific. EDR focuses on protecting endpoints, DLP focuses on preventing data exfiltration, and an NGFW provides advanced filtering at the network perimeter; none of these inherently solve the problem of centralizing and correlating alerts from multiple, disparate sources.
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