Secure Coding Practices, Input Validation, Code Signing

Cyber Log — October 23, 2025

Focus Areas: Secure Coding Practices, Input Validation, Code Signing

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Objectives

Learn fundamental secure-coding principles and relate them to operational security controls.

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Activities & Labs

• Reviewed input validation techniques to mitigate injection attacks.
• Examined concept of code signing and trusted-publisher verification.
• Investigated dead code vs deprecated code handling.

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Knowledge & Concept Highlights

• Input validation is first defense against code injection.
• Code signing ensures integrity and publisher authenticity.
• Dead code can become liability if reactivated without review.

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Reflections & Takeaways

Secure coding requires awareness of both developer and operator perspectives.
Validated understanding of how software assurance links to operational trust.

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End of Log — October 23, 2025