Addressing unique security challenges in serverless architecture including function execution, data protection, and monitoring.
Serverless Architecture Security
Serverless architecture introduces unique security challenges around function permissions, execution environment isolation, and data handling. Organizations must implement least-privilege access, secure secrets management, and comprehensive logging for serverless workloads.
Function Permissions
Serverless functions should execute with minimal permissions. IAM roles should grant only the specific permissions each function requires. Over-privileged functions create unnecessary risk.
Secrets Management
Secrets like API keys and database credentials should never be hardcoded. Organizations should use managed secrets services and rotate secrets regularly. Environment variables are insufficient for sensitive data.
Data Protection
Function inputs and outputs should be encrypted. Data at rest should use encryption keys managed by the organization. Understand what data functions process and where that data persists.
Logging and Monitoring
Serverless platforms should enable comprehensive logging. Organizations should monitor function execution, errors, and suspicious activity. Cold starts should be tracked to identify performance issues that might hide attacks.
Shared Responsibility Model
Understand what security responsibilities fall to your organization versus the cloud provider. Function security is your responsibility; underlying infrastructure security belongs to the provider.