| Security - | (Software Engineering) the ability of software to operate in a manner that is secure from internal or external attack |
| Security testing - | (Software Engineering) testing tasks that probe the vulnerability of both client-side and server-side software |
| Selective testing - | (Software Engineering) testing only a selected set of program paths and data inputs |
| Side effects - | (Software Engineering) errors that occur because of changes |
| Six sigma - | (Software Engineering) a widely used strategy for statistical quality assurance |
| Smoke testing - | (Software Engineering) an integration testing approach that constructs and tests software on a daily basis |
| Software - | (Software Engineering) programs, documents and data |
| Software engineering - | (Software Engineering) a discipline that encompasses the process associated with software development, the methods used to analyze, design and test computer software, the management techniques associated with the control and monitoring of software projects and the tools used to support process, methods, and techniques. |
| Software metrics - | (Software Engineering) quantitative measures of the process or the product |
| Software problem report - | (Software Engineering) a report of a defect |