The Official ISC2 training course for the Certified Secure Software Lifecycle Professional (CSSLP) provides a comprehensive and structured review of the knowledge required to integrate security practices such as authentication, authorisation, and auditing into every phase of the Software Development Lifecycle. The course covers secure design, development, testing, deployment, and supply chain considerations to ensure resilient and secure software systems. Delivered as a five-day virtual instructor-led training course, this programme aligns fully with the ISC2 Common Body of Knowledge and prepares learners to confidently approach the CSSLP certification. The course combines expert-led instruction, official ISC2 courseware and exam voucher, and interactive learning elements to reinforce secure software development principles.