| 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 |
| 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 process improvement (SPI) - | (Software Engineering) a set of software engineering activities that attempt to improve the state of software engineering practice within an organization |
| Software quality assurance (SQA) - | (Software Engineering) a series of activities that assist an organization in producing high quality software |
| Software safety - | (Software Engineering) an SQA activity that focuses on the identification and assessment of potential hazard that may have a negative impact on the operation of software |
| Software testing - | (Software Engineering) a set of activities conducted with the intent of finding errors in software |