Secure by design approach to improve security of object oriented software

In order to minimize vulnerabilities and achieve target level security, quantification of security is necessary. Unfortunately, quantitative estimation of security in earlier stage of software development life cycle (SDLC) is largely missing. The design phase of software development provides the foundation for secure software. Reducing vulnerability at this phase minimizes rework in subsequent development phases. In this work author combined existing research findings and tried to evaluate the guideline to designer. These guidelines help to check the security of design so if multiple designs were available then designer can easily choose the secure design or if the designer finds that security of current design is low then can do necessary modification to deliver a secure design, which ultimately improve overall security of software.