difference between protection and security in operating system pdf

Difference Between Protection And Security In Operating System Pdf

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The digital divide refers to the difference between people who have easy access to the Internet and those who do not. A lack of access is believed to be a disadvantage to those on the disadvantaged side of the digital divide because of the huge knowledge base that can only be found online.

An operating system provides a mechanism to prevent interference with logical and physical resources. Protection and security are two of them. Although these two words are used interchangeably, there is a distinct difference between protection and security.

The main difference between protection and security is that the protection focuses on internal threats in a computer system while security focuses on external threats to a computer system. An operating system provides a mechanism to prevent interference with logical and physical resources. Protection and security are two of them.

Operating system

The operating system provides measures to prevent the interference with the utilization of logical and physical resources, which are known as security and protection. The security and protection are sometimes interchangeably used as they do not sound very distinctive. Although, the terms security and protection are majorly different. The main difference between security and protection lies within the fact that the security handles the external information threats in the computer systems whereas the protection deals with the internal threats. Basic Security Protection Basic Provides the system access to the legitimate users only. Controls the access to the system resources.

Protection and Security Methods. This deals with identifying each user in the system and making sure they are who they claim to be. The operating system makes sure that all the users are authenticated before they access the system. The main difference between protection and security is that the protection focuses on internal threats in a computer system while security focuses on external threats to a computer system. An operating system provides a mechanism to prevent interference with logical and physical resources.

Protection and Security in Operating System

An operating system OS is system software that manages computer hardware , software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time , mass storage , printing, and other resources. For hardware functions such as input and output and memory allocation , the operating system acts as an intermediary between programs and the computer hardware, [1] [2] although the application code is usually executed directly by the hardware and frequently makes system calls to an OS function or is interrupted by it. The dominant general-purpose [3] desktop operating system is Microsoft Windows with a market share of around Other specialized classes of operating systems special-purpose operating systems [7] [8] , such as embedded and real-time systems, exist for many applications. Security-focused operating systems also exist.

Difference Between Security and Protection

Security: The security systems covers the safety of their system resources saved data, memory, disks, etc across malignant alteration, illegal access, and disparity or inconsistency. The security gives a mechanism authentication and encryption to analyze the user to permit for using the system. Security is the vital task for a corporation to provide some safety mechanism in order that no outside user will access the knowledge of the organization.

Kernel (operating system)

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Difference Between Protection And Security In Operating System Pdf

Protection and security requires that computer resources such as CPU, softwares, memory etc. This extends to the operating system as well as the data in the system. This can be done by ensuring integrity, confidentiality and availability in the operating system. The system must be protect against unauthorized access, viruses, worms etc. A threat is a program that is malicious in nature and leads to harmful effects for the system.

The kernel is a computer program at the core of a computer's operating system that has complete control over everything in the system. On most systems, the kernel is one of the first programs loaded on startup after the bootloader. The critical code of the kernel is usually loaded into a separate area of memory, which is protected from access by application programs or other, less critical parts of the operating system.

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What is the Difference Between Protection and Security

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