This article explores existing strategies for embedding security measures into the Software Development Lifecycle (SDLC), with a particular focus on hybrid models such as Agile and DevSecOps. The study is grounded in a theoretical analysis, which identifies the foundational principles of secure software development, evaluates the significance of automated security testing within CI/CD pipelines, and examines the role of interdisciplinary approaches in fostering a security-oriented culture within organizations. The research highlights current challenges and limitations associated with balancing development flexibility and stringent security requirements, while also outlining promising directions for advancement, including increased automation, the implementation of unified standards, and the development of professional upskilling programs. The proposed strategies aim to reduce system vulnerabilities, improve software quality, and optimize security-related costs. This article will be of interest to researchers and practitioners in the fields of information security and software engineering who seek to integrate contemporary security practices into the development lifecycle to enhance cyber risk management. It may also attract attention from professionals involved in interdisciplinary research, as it analyzes the synergy between development methodologies and modern organizational security mechanisms.

software security, SDLC, Security by Design, DevSecOps, agile development, automated testing

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