Enhanced Security for Developers: The Cornerstone for Enhanced Resilience
In a significant move, the focus within organizations is shifting towards higher software security and quality standards, driven by CISA's Secure-by-Design guidelines. These guidelines, supported by multiple world governments including the United States, United Kingdom, Australia, Canada, and Germany, aim to reduce cyber risk across the board by assigning security ownership to software vendors.
Historically, developers have not had a formal security certification or verification process for working on vital and often precarious systems. However, the Secure-by-Design guidelines promote shipping secure software from the start and establishing ultimate security ownership with software vendors.
To effectively integrate developers into organizational cybersecurity programs, best practices include establishing a security-first culture through collaborative frameworks like DevSecOps. This approach facilitates collaboration among development, security, and operations teams to share responsibility for security, reduce silos, and improve responsiveness to threats.
Another key best practice is implementing threat modeling early and continuously. This involves using threat modeling to identify and plan for security risks before writing code and revisiting it throughout development to address new vulnerabilities and architectural flaws.
Enforcing automated security testing and code reviews is another crucial practice. Integrating automated tools in CI/CD pipelines to scan for vulnerabilities, block insecure code commits, and ensure code meets security and quality standards before deployment is essential. Examples of such tools include dependency scanning, SonarQube, and Codacy.
Secure coding practices are also vital. This includes teaching and requiring developers to use secure coding measures such as input validation, secure data and error handling, session and patch management, and avoiding coding patterns vulnerable to injection attacks or credential exposure.
Securing development and QA environments is equally important. These environments should be isolated from production and each other via network segmentation to minimize the risk of compromise spreading. Using anonymized or mock data to protect sensitive info and managing secrets with dedicated vaults, not hardcoded credentials, is also recommended.
Continuous monitoring and auditing are necessary to maintain the highest security standards. Regularly reviewing access logs, auditing code and environments for suspicious activity or known vulnerabilities, and keeping all dependencies and systems fully patched are essential steps.
Automated compliance and vulnerability checks are also incorporated to maintain high security standards without slowing development cycles.
When applicable, API security by design is another best practice. This includes threat modeling, minimal exposure of functionalities, robust authentication/authorization, and secure coding practices early in API development.
Implementing these practices helps developers contribute positively to cybersecurity by embedding security in the development lifecycle, enhancing software quality, and reducing organizational risk.
Success in implementing these higher standards will require a shift in culture within most enterprises. A modernized security program can assess individual developers, identify knowledge gaps, and pair them with the necessary upskilling. The CrowdStrike outage demonstrated the vulnerability of critical infrastructure to software bugs, underscoring the need for these changes.
Developing software securely from the start is crucial for reducing cybersecurity risks, as advocated by the Secure-by-Design guidelines. To achieve this, implementing collaborative frameworks like DevSecOps is essential, fostering a security-first culture and the shared responsibility for security among development, security, and operations teams.
Threat modeling early and continuously is another vital practice, enabling the identification and planning for security risks before writing code and throughout development to address new vulnerabilities and architectural flaws.