Question

discuss role of security models in implementing security policy in a software application

Answer 1

Role of security models in implementing security policy in a software application are as follows:-

• Security models are the most important part to keep up with the changing business and technology environment due in part to the nature of today’s system infrastructure. Current system infrastructures require constant change due to device customization, application enhancements, fixing security risks, cloud computing, and constant hardware and software upgrades in a software application.
• In terms of Java:- The Java security model provides policy-based access controls for Java applications. This security model provides protection based on the physical origin of the classes in use as well as identity services supported by their digital signature. The Java Authentication and Authorization Service APIs further extend the Java security model by allowing an application at runtime to take into account a user's identity. These APIs make a powerful combination for custom authentication and authorization in your Web service.
• The most important part of security model in implementing security policy is that this helps in describing security measures at the application level that aim to prevent data or code within the app from being stolen or hijacked. ... Application security may include hardware, software, and procedures that identify or minimize security vulnerabilities.

NOTE :- This answer is lengthy because there is alot of things to learn about the security models, so read it thoroughly and if any problem persist let me know through the comment section