Which Microsoft service focuses on enabling organizations to respond to security incidents rapidly?

Microsoft Sentinel is designed specifically to enhance an organization's ability to respond to security incidents promptly and effectively. It serves as a Security Information and Event Management (SIEM) solution that incorporates artificial intelligence to analyze vast amounts of data and identify potential threats in real time. By providing advanced threat detection, investigation capabilities, and automated response actions, organizations can significantly reduce the time it takes to address security incidents.

This platform aggregates security data from various sources, such as on-premises environments and cloud resources, enabling security teams to visualize and understand the security posture across the entire organization. Additionally, with built-in automation and playbooks, Sentinel allows for rapid incident response by orchestrating workflows and initiating predefined actions based on alerts.

In contrast, while other options like Microsoft Defender for Cloud, Microsoft Defender for Identity, and Microsoft 365 Defender provide important security features within their respective domains, they do not specialize as much in the comprehensive incident response capabilities that Microsoft Sentinel offers. Defender for Cloud focuses primarily on securing cloud environments, Defender for Identity centers on identity and access concerns, and Microsoft 365 Defender integrates security across various Microsoft 365 applications but does not directly provide the same level of dedicated incident response and investigation tools as Sentinel.