← Wiki

Lambda Security Risks

Security considerations for AWS Lambda functions

AWS Jan 2023 (edited Sep 2024)

Key Risks

  • Overprivileged execution roles - Functions with broader permissions than needed
  • Dependency vulnerabilities - Unpatched libraries in deployment packages
  • Secrets in environment variables - Unencrypted sensitive data
  • Public function URLs - Unintended exposure without authentication
  • Event injection - Malicious payloads in event sources

Resources

Tools