The Role of Runtime Security in Cloud Environments 

As cloud adoption accelerates, security teams must protect dynamic, cloud-native environments that include containers, serverless functions, and virtual machines (VMs). Runtime cloud security refers to the continuous monitoring and protection of workloads while they are actively running in production environments. 

 
Benefits of Runtime Cloud Security: 

• Real-Time Threat Detection: Identifies and mitigates threats as they occur in real time. 

• Workload Protection: Ensures security across ephemeral workloads like containers and serverless functions. 

• Incident Response & Forensics: Provides crucial telemetry for investigating security incidents. 

• Regulatory Compliance: Helps meet security compliance standards by maintaining visibility into runtime activity.  

Multiple teams within an organization benefit from runtime security 

• Cloud Security (CloudSec) Teams: Focus on container security, validation of vulnerabilities at runtime, image drift, file integrity monitoring (FIM), and workload protection. 

• Security Operations (SecOps) Teams: Prioritize threat detection, incident response, and forensic analysis. 

 
Challenges with Legacy Agent-Based Approaches 

Traditional agents coming from endpoint security applications are not designed for the cloud and struggle to keep pace with technology and operational challenges in the cloud which include: 

• Complexity: Cloud environments are constantly evolving. New technologies, autoscaling workloads, and multi-cloud deployments all contributing factors to why most organizations are now using cloud native security solutions for their cloud environments   

• Resource Constraints: Full agents running on workloads consume significant CPU and memory resources, potentially impacting performance. This is particularly problematic in containerized and serverless environments where resource efficiency is critical. 

• Operational Challenges: Managing security agents at scale introduces additional operational complexity, requiring installation, updates, and maintenance across distributed cloud workloads. 

• Expanding Technology: While full agents provide deep visibility, they may not cover an ever growing list of technologies and operating systems Even today serverless functions and short-lived containerized workloads can be problematic. 

How Wiz Addresses Traditional Runtime Security Challenges 

Wiz overcomes these challenges by taking an agentless-first approach, ensuring complete coverage and near-limitless scale. This is complemented by the Wiz Sensor, which prevents threats and provides deep runtime context wherever needed, giving security teams a comprehensive, unified cloud security solution. 

Key Advantages of Wiz’s Hybrid Approach: 

• Agentless Security for Broad Visibility: Wiz continuously scans cloud environments without requiring deployment friction, providing full-stack visibility across cloud workloads. 

• Lightweight Sensors Built for the Cloud: eBPF-based sensor is purpose-built for cloud environments, offering negligible performance impact and a kernel-safe architecture. This design gives security teams deep runtime protection without introducing risk to the workload from the agent or sensor itself. 

• Real-Time Threat Detection & Automated Response: The sensor blocks sophisticated cloud threats in real time and monitors or prevents suspicious activities such as file integrity changes, image drift, log tampering, network scanning, and malicious IOCs, ensuring critical resources remain secure. 

• Contextualized Insights Across Cloud Layers: Leverage runtime behavioral baselines to detect anomalies and reduce detection noise. Correlate runtime events with control plane, data, identity, network, and PaaS events. Reduce investigation time with runtime forensic data and respond immediately at the control plane or workload level. 

This innovative approach enables organizations to address cloud-native security challenges without the drawbacks of fully agent-based solutions, delivering high-fidelity threat detection, simplified security operations, and optimized performance.  

Wiz Runtime Benefits Across Teams 

For CloudSec Teams: 

• Secure containerized environments by validating vulnerabilities in runtime, effectively prioritizing and reducing risk. 

• Monitor containers for any changes to the OS or files included with the golden image. 

• Maintain compliance through continuous file monitoring. 

• Improved containment and response actions when needed 

For SecOps Teams: 

• Detect and respond in real time on the host. Create custom threat detection rules and use predefined rules to block complex threats, malware, unwanted behaviors, suspicious activity, malicious processes and more. Leverage forensic capabilities for incident investigations. 

• Proactive threat hunting across runtime telemetry  

• Improved containment and response actions when needed 

Conclusion 

With Wiz, organizations can navigate the complexities of cloud security with confidence, armed with unparalleled visibility, contextual insights, and real-time threat detection and response—all within a single, unified platform. Wiz’s hybrid approach—leveraging agentless security and lightweight sensor ensures comprehensive security coverage while optimizing performance. 

Runtime security is a critical component of an effective cloud security strategy. As organizations evaluate runtime security solutions, they must consider detection capabilities, scalability, visibility, and operational impact to name a few. For a thorough overview of consideration check out the Wiz Runtime Buyers Guide.