A code generator is software that automatically creates source code from schemas, templates, interface definitions, or other structured inputs. Examples include tools that turn OpenAPI specs into API clients, GraphQL schemas into typed hooks, or configuration files into boilerplate classes and functions. The goal is to save time and produce consistent, machine-generated code.
In cyber security, code generators matter because they often run inside build scripts, developer workstations, or CI pipelines. That places them close to secrets, signing keys, and repository permissions. If a generator is compromised, it can alter generated output, exfiltrate environment variables, or inject malicious logic into code that developers trust. Defenders reduce this risk by pinning versions, reviewing generated diffs, limiting build permissions, and treating build-time tools as part of the trusted attack surface.