The OSI (Operating System Interface) Security Architecture provides a systematic framework for defining security attacks, mechanisms and services. Security attacks are classified as either passive attack, which include unauthorized reading of files and traffic analysis and active attacks, such as modification of messages or files and denial of service.
Security Mechanism :: Security Mechanism is any process (or a device incorporating such a process) that is designed to detect, present or recover from security attack. Examples, of mechanisms are encryption, algorithms, digital signatures and arithmetical protocols. Security services include the authentication, access control, data confidentiality, data integrity, non-repudiation and availability.
OSI Security Architecture ::
The OSI security architecture is useful to managers as an away of organizing the task of providing security. Because, this security architecture was developed as an international standard, computer & communication vendors have developed the security features for their products and services that relate to this structured.