🔹 Definition: Software that acts as a bridge between
hardware and user.
🔹 Examples: Windows, macOS, Linux, Unix, Android, iOS.
🔒 Security Objectives: Confidentiality, Integrity, Availability.

CIA in Operating System Security 🛡️
1. Confidentiality:
– Protects data from unauthorized access. 🔐
2. Integrity:
– Ensures data is accurate and unaltered. 🛠️
3. Availability:
– Keeps systems and data accessible when needed. 📈