What is Clean Code? | BrightTalk at Black Hat USA 2022
A Black Hat USA panel discussion unpacking what clean code really means for security professionals and why static analysis is essential to modern AppSec programs.
The Evolution of Code Quality Standards
Over the past decade, the software development industry has embraced a methodology known as "Clean as You Code," representing a significant shift in how organizations approach code quality and security. This approach recognizes that maintaining code quality is not merely a technical concern but a strategic business priority that directly impacts both reliability and security outcomes.
Moving Beyond the All-or-Nothing Approach
Traditional code remediation efforts often adopt an all-encompassing strategy: stop all development activities and dedicate the entire development team to fixing existing issues. However, this approach proves counterproductive and unsustainable. It halts business operations, disrupts team productivity, and risks introducing new bugs while attempting to resolve old ones. Additionally, developers often become demotivated when forced into purely remedial work rather than building new features.
The Clean as You Code Philosophy
Rather than attempting to solve all code quality issues at once, the Clean as You Code methodology advocates for a more pragmatic strategy. Development teams commit to ensuring that any code they touch—whether modifying existing functionality or adding new features—meets high standards for cleanliness, security, reliability, and maintainability. This incremental approach transforms code quality improvement from a monolithic project into an integrated part of the daily development workflow.
Leveraging Modern Development Practices
The effectiveness of Clean as You Code is amplified by modern continuous integration and continuous deployment (CI/CD) practices. Because software is continuously evolving and being deployed rather than waiting for infrequent release cycles, developers are regularly interacting with existing code. Each modification presents an opportunity to improve code quality, which means the team is continuously remediating the codebase incrementally. This creates a compounding effect where code quality steadily improves over time without requiring dedicated remediation sprints.
Key Takeaways
- Clean as You Code is an efficient strategy that improves both quality and security by requiring developers to clean any code they modify or create
- Attempting to fix all code issues at once is impractical and counterproductive to business operations and team morale
- Modern CI/CD practices enable continuous improvement of the codebase through regular, incremental changes
- Each code modification is an opportunity to enhance reliability, maintainability, and security standards
- This approach leverages the inherent nature of software development—constant evolution—as a mechanism for continuous improvement