Security is a top concern for businesses operating in hybrid and multi-cloud environments. Azure Arc enhances security by integrating with Azure Security Center and other Azure security tools. This ensures that workloads across on-premises, edge, and cloud infrastructures are consistently protected against threats. By centralizing threat detection, compliance tracking, and vulnerability management, Azure Arc enables organizations to adopt a proactive approach to hybrid security.

Azure Arc allows organizations to extend role-based access control (RBAC) to hybrid resources, ensuring that only authorized personnel have access to sensitive data and operations. Additionally, it enables Just-In-Time (JIT) access for virtual machines and Kubernetes clusters, reducing the attack surface by limiting access to essential users and only for a specific time. These capabilities make Azure Arc a powerful tool for managing permissions and securing resources against insider threats.

Another key feature is Azure Arc’s integration with Azure Defender, which provides advanced threat protection for servers, Kubernetes clusters, and databases. Azure Defender detects unusual activities, such as potential brute-force attacks or unauthorized file changes, and alerts administrators in real time. Combined with Azure Sentinel, this integration enables organizations to build robust security incident and event management (SIEM) systems that monitor hybrid environments comprehensively.

Azure Arc also supports compliance tracking with Azure Policy. By applying security-related policies to hybrid resources, businesses can enforce best practices, such as enabling encryption for data in transit and at rest. Furthermore, Azure Arc-enabled data services provide built-in security features like automated patching and vulnerability assessments, reducing the risk of exploits. This ensures that hybrid workloads remain secure without adding administrative overhead.

The ability to integrate Azure Arc with third-party security tools further strengthens its value. Organizations can use existing investments in firewalls, identity management solutions, or intrusion detection systems while leveraging Azure’s powerful threat intelligence. By creating a cohesive security strategy that spans all environments, Azure Arc ensures that businesses remain resilient against modern cyber threats, making it indispensable for hybrid cloud security.