Final answer:
The OSI security architecture focuses on security attacks, security mechanisms, and security services, encompassing all aspects mentioned for ensuring complete protection of networked information systems.
Step-by-step explanation:
The OSI security architecture addresses a comprehensive framework that is designed to secure networks over various layers and aspects. When it comes to the OSI security architecture, it focuses on all of the above: security attacks, security mechanisms, and security services. All three components are integral to its design.
Security attacks are various actions that compromise the integrity, confidentiality, or availability of resources. Security mechanisms are the methods and tools implemented to detect, prevent, and respond to security threats. Lastly, security services are the protocols and features that enhance the security of data transmission, ensuring adequate protection of the information systems.
Each aspect plays a significant role in establishing a robust security posture to protect networked systems and is equally important in the context of the OSI security architecture.