At LoopStudio, we build software for cybersecurity companies where security is not optional. It’s a requirement.
Secure development is part of our culture, not just a checklist.
10 Secure Development Practices Every Developer Should Follow
Here are ten key practices that shape the way we write code every day.
1. Minimize the Attack Surface
Reducing the number of accessible endpoints and exposed components is fundamental.
We aggressively remove dead code, disable unused routes, and tightly control API exposure.
By doing this, we reduce the number of ways an attacker can interact with the system. Sonarqube helps us detect unused code and overly permissive routes early.
2. Safe Usage of AI
Generative AI tools like Cursor, Claude Codeor GitHub Copilot can speed up work, but must be used carefully. All AI-generated code must be treated as suggestions and reviewed before use.
Avoid sharing sensitive data in prompts, and always validate recommendations before integrating them.
3. Enforce Least Privilege
Each system and user in our stack has only the permissions required to perform its job.
We isolate database credentials by service, use separate CI/CD deploy tokens for each environment, and implement role-based access controls in our internal tools.
GitHub role management allow us to keep this under control and auditable.
4. Apply Defense in Depth
Security isn’t about a single control. We layer protections to catch failures before they become incidents. Input validation exists on both the frontend and backend.
Rate limits and MFA reduce brute force risk. Network segmentation, logging, and other monitoring tools like Sentry ensure that even if something fails, the impact is limited and visible.
5. Manage Secrets Securely
No secrets go in code, ever. We manage all credentials and tokens using AWS Secret Manager, and our CI pipelines run checks to prevent accidental commits of secrets. It’s a non-negotiable rule across all projects, and we’ve caught real issues early thanks to this policy.
6. Separate Environments
We maintain strict separation between development, staging, and production. Each environment has its own infrastructure and credentials.
This isolation means that mistakes or experiments in staging never affect production.
GitHub Actions helps us manage environment-specific workflows and secrets.
7. Automate with CI/CD
Automation is key to ensuring consistency and reducing human error. Every repository includes CI/CD pipelines using GitHub Actions.
We enforce linting (ESLint), formatting (Prettier), unit testing with Jest and code coverage thresholds, and security scans with tools like Snyk. These checks run on every pull request, no exceptions.
8. Peer Review
Code review is a part of our workflow, not a formality. All changes are peer-reviewed before merging.
We evaluate pull requests for size, clarity, and potential security implications.
This isn’t just about spotting bugs, it’s about maintaining code quality and sharing knowledge across teams.
9. Perform Threat Modeling Regularly
We conduct threat modeling sessions early in the design phase and repeat them whenever new features are introduced or before major releases.
This helps us identify potential risks proactively and define mitigation strategies before code is written.
10. Keep Security Knowledge Fresh
Security evolves constantly.
Our developers regularly update their knowledge through courses like the Linux Foundation’s “Developing Secure Software” and ongoing reviews of the OWASP Top 10 including the new Top 10 for LLMs. Internal learning spaces like and our Tech Councils help us stay sharp.
In Conclusion
These practices are part of our day-to-day.
They help us deliver secure, reliable software to cybersecurity companies where quality is non-negotiable. If your product demands security from the ground up, this is how we build it. Let’s talk!
