The software-defined security (SDSec) market is experiencing significant growth due to increased adoption of cloud services, virtualization technologies, and rising cyber threats, with projections of growth from $7.13 billion in 2021 to $40.73 billion by 2028. Key market drivers include the need for agile security solutions, the emergence of zero trust security models, and opportunities for integration with DevOps and edge computing. However, challenges such as integration complexity, a skill shortage, and regulatory compliance requirements must be addressed for successful implementation.