Computer security uses the principles of least privilege and most need to know to protect sensitive information from misuse and unauthorized access.
Least privilege refers to a principle that states that users and processes should have only the minimal access and permissions required to complete their tasks. Users should not be granted more access or privileges than necessary to complete their job duties. The least privilege principle aims to limit the possibility of unauthorized access to sensitive information or systems and minimize the damage that could be caused by compromised accounts or processes.
The principle of need to know states that people or groups should have only the information or resources they require to fulfill their job duties. Access to sensitive information and resources should only be allowed to those who have a legitimate reason to. This should not be a matter of granting access on a need to know basis. To protect sensitive information and resources against misuse or unauthorized access, the need to know principle allows for only those who have a legitimate use to be granted access.
Computer security is based on the principles of least privilege and need for knowledge. They help protect against misuse and unauthorized access to sensitive information. There are however some key differences.
The level of granularity they operate is a key difference between need to know and least privilege. Least privilege works at the individual level, while need to be able to see the larger picture of an organization or group is the case. Least privilege refers to limiting access and permissions for individual users and processes. Need to know, on the other hand, is concerned about limiting information and resources at the organizational level.
The scope of their applications is another key distinction between least privilege or need to know. While least privilege can be applied to individuals and processes, need to know can be applied to groups and organizations. Least privilege refers to limiting access and permissions to individual users or processes within a system or network. Need to know, on the other hand, is about limiting information and resources within a group or organization.
The control they offer is another key difference between least privilege or need to know. Because it restricts access and permits at the process and user level, least privilege offers more control. On the other hand, need to know provides more control over access to information and resources as it focuses on limiting access at the organizational or group level.
The two most important principles of computer security are least privilege and need-to-know. They are used to protect sensitive information from misuse and unauthorized access. Least privilege states that users and processes should have only the minimal access and permissions required to complete their tasks. Need to know, on the other hand, says that only individuals and groups should have access to resources or information that is necessary to fulfill their job duties. Both principles can be used to prevent unauthorized access or misuse. However, they have different levels and levels of control over access.