File system often contains information that is highly valuable to their users. Protecting this information against unauthorized usage is the major concern of all file systems. We generally use the term security to refer to the specific operating system mechanism used to safeguard information in the computer.
In this “Security Management – Operating System” you will learn about the following topics:
- Security Problems
- Causes of Security Problems
- Hardware Error
- Software Error
- Human Error
- Intruders
- Types of Intruders
- Passive Attack, Active Attack
- User Authentication
- Password
- Password Vulnerability
- Password Vulnerability Due To Phishing, Brute Force Attack Puts Password at Risk, Dictionary or Wordlist Attack, Social Engineering, Malware Attack on Passwords Increasing By the Day
- Encrypted Password
- One Time passwords
- Biometrics Password
- User Authorization
- Difference between Authentication and Authorization
- Program Threats
- Trojan Horse, Trap Door, Logic Bomb, Stack Buffer Overflow
- System Threats
- Worm, Port Scanning, Denial of Service, Virus
- Cryptography
- Types of Cryptography
- Symmetric Key Cryptography, Asymmetric Key Cryptography
- Protection Mechanism
- Protection Domain, Access Control List (ACL), Capabilities, Trusted System
==== Point to Note ====
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BCA 4th Semester Operating System Notes Pdf:
- Unit I: Introduction To Operating System
- Unit II: Operating System Structure
- Unit III: Process Management
- Unit IV: Deadlock
- Unit V: Memory Management
- Unit VI: Input/Output Device Management
- Unit VII: File System Management
- Unit IX: Distributed Operating System
- Unit X: Case Study Issues
- Unit XI: Future Issues
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