Attacks. Services, and mechanisms Security attack: Any action that compromises the securi of information Security Mechanism: A mechanism that is designed to detect, prevent, or recover from a security attack Security service: a service that enhances the security of data processing systems and information transfers. A security service makes use of one or more security mechanisms 88 Attacks, Services, and Mechanisms * Security Attack: Any action that compromises the security of information. * Security Mechanism: A mechanism that is designed to detect, prevent, or recover from a security attack. * Security Service: A service that enhances the security of data processing systems and information transfers. A security service makes use of one or more security mechanisms