CS-305 has students analyze advanced security concepts to learn how they're applied in developing secure code, designing and implementing code that complies with software security testing protocols, and writing secure communications through applying current encryption technologies. The course covers secure coding principles, vulnerability analysis, applied cryptography topics including hashing, encryption, secure storage, input validation, and TLS, along with DevSecOps awareness, static testing, and dependency checking. The course prerequisite is IT-145.
Security applied directly to code, not just concepts
The course grounds advanced security concepts directly in actual secure coding practice — vulnerability analysis, applied cryptography, secure storage — ensuring students can implement security, not just discuss it abstractly.
DevSecOps and testing as part of the security lifecycle
CS-305 covers static testing, dependency checking, and DevSecOps awareness, reflecting that modern software security is integrated throughout the development lifecycle, not bolted on as a final check before release.
Key topics in CS305
- Secure coding principles
- Vulnerability analysis
- Applied cryptography (hashing, encryption)
- Secure storage and input validation
- TLS and secure communications
- Static testing, dependency checking, and DevSecOps
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Worked example: security integrated throughout development
- Bolted-on security: Security testing performed only right before release, after development is otherwise complete
- DevSecOps approach: Security considerations (static testing, dependency checking) integrated continuously throughout the development process
- Lesson: CS-305 teaches that catching vulnerabilities early, throughout development, is far more effective than treating security as a final pre-release gate
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Frequently asked questions
IT-145 builds foundational programming competency that CS-305 assumes is already in place, since analyzing vulnerabilities, implementing secure coding practices, and applying cryptography meaningfully all require a working understanding of how code actually functions — security concepts applied to code a student can't yet write or read competently wouldn't be practically learnable. CS-305 requires this prerequisite because software security is fundamentally about securing real code, which requires foundational programming skill first.
Vulnerabilities caught late in development, right before release, are typically far more expensive and disruptive to fix than those caught early, since by that point they may be deeply embedded in the codebase and interconnected with other features, whereas continuous security awareness throughout development catches issues while they're still small and isolated. CS-305 covers DevSecOps because this integrated approach reflects how professional software teams actually manage security most effectively today, rather than the outdated model of security as a final checkpoint.