CISSP AIO 3th:access Control

This chapter presents the following:

identification methods and technologies

authentication methods, models, and technologies

discretionary, mandatory, and nondiscretionary models

accountability, monitoring, and auditing practices

emanation Security and Technologies

Intrusion Detection Systems

threats to access control practices and technologies

This chapter mainly deals with the following topics:

L Identification methods and techniques

L identity authentication methods, models and techniques

L Autonomous access control, mandatory access control, and non-autonomous access control

L Accountability, monitoring, and auditing practices

L Launch (? ) Security and technology

L Intrusion Detection

• Access control practices and threats to technology

A Cornerstone in the foundation of information security was controlling how resources was accessed so they can be protected From unauthorized modification or disclosure. The controls that enforce access control can is technical, physical, or administrative in nature. These control types need to being integrated into policy-based documentation, software and technology, network design, and PH Ysical security components.

One basis for information security is to control how resources are accessed to protect them from unauthorized modification or disclosure. Access control can be technical, physical, or managed. These control types must be fused into policy-based documents, software and technology, network involvement, and physical security components.

Access is one of the most exploited aspects of security, because it's the gateway that leads to critical assets. Access controls need to being applied in a layered defense-in-depth method, and an understanding of how these controls is ex Ploited is extremely important. In this chapter we'll explore access control conceptually and then dig to the technologies the industry puts in place To enforce these concepts. We'll also look at the common methods, the bad guys use to attack these.

Access is the area where security is most needed to implement control because it is the gateway to key assets. Access control needs to be implemented in a defense-in-depth manner, and it is important to understand how these controls are implemented. In this chapter we describe the concepts of access control, and the techniques used to ensure these concepts in practice, as well as the methods that attack these technologies.

3.1 Access Controls Overview overview

Access controls is security features that control what users and systems communicate and interact with other Syst EMS and resources. They protect the systems and resources from unauthorized access and can is components this participate in determining the Level of authorization after a authentication procedure has successfully completed. Although we usually think of a user as the entity that requires access to a network resource or information, there is man Y other types of entities, require access to other network entities and resources, is subject to access control. It is important to understand the definition of a subject and an object when working in the context of access control.

access Control is the security technology that controls how users and systems and other systems and resources communicate and interact. It protects systems and resources from unauthorized access and determines the level of authorization after successful authentication. Although users are generally considered to be entities that access network resources or information, there are other different kinds of entities in fact. In the related work of access control, it is very important to understand the concept of subject and object.

Access is the flow of information between a subject and an object. A subject is an active entity, that requests access to an object, or the data within an object. A subject can is a user, program, or process the accesses a object to accomplish a task. When a program accesses a file, the program is the subject and the file is the object. An object was a passive entity that contains information or needed functionality. An object can is a computer, database, file, computer program, directory, or field contained in a table within a database. When you look up information in a database, the active subject and the database is the passive object. Figure 3-1 illustrates subjects and objects.

Access is the flow of information between the subject and the object. A subject is an activity entity that needs to access data in the object or object. The subject may be a user, a program, a process. When a program accesses a file, the program is the subject, and the file is the object. The object is a passive entity that contains information or functions that are required. The object may be a computer, a database, a file, a computer program, a directory, or a domain in a database table. When you query information in the database, you are the main body of the activity, the database is the passive object.

Access control is a broad, covers several different types of mechanisms that enforce access control features on C Omputer systems, networks, and information. Access control is extremely important because it's one of the first lines of defense in battling unauthorized access to s Ystems and network resources. When a user was prompted for a username and password to use a computer, the is access control. Once the user logs in and later attempts to access a file, which file may has a list of users and groups that has the rig HT to access it. If the user is not on this list, the user is denied. This is another form of access control. The users ' permissions and rights is based on their identity, clearance, and/or group membership. Access controls give organizations the ability to control, restrict, monitor, and protect resource availability, integrity , and confidentiality.

Access control is a broad concept that includes several mechanisms for application in computer systems, networks, and information. Access control is important because it is the first barrier against unauthorized access to systems and network resources. This is access control when the user types a user name and password to use the computer. Once the user logs in successfully and then attempts to access a file, the file may contain a list of users or groups that are allowed to access it, and if the user is not in this list, access is denied, which is another form of access control. The user's permissions may be based on their identity, license level, and/or group relationship. Access control gives organizations the ability to control, restrict, monitor, and protect the resources of the CIA.

Not to be continued

CISSP AIO 3th:access Control