In this video, learn about alternative authorization models, including role-based authorization and time of day restrictions on authorization. Also, learn about the implicit deny principle.
- [Instructor] As we wrap up our discussion…of authorization concepts, let's talk about…a few advanced issues related to authorization…in an access control system.…We need to discuss the implicit deny principle,…rule-based authorization, role-based authorization,…and time of day restrictions.…The implicit deny principle, otherwise known…as default deny, is one of the foundational…principles of access control systems.…It says that anything that is not explicitly allowed…should be denied.…
If a computer system doesn't have explicit…instructions on how to handle a situation,…it should default to denying access.…Firewalls are a common example…of the default deny principle in action.…When a firewall receives a connection request,…it first consults its rules to determine…whether a rule explicitly addresses the situation.…If the firewall finds a matching rule,…it carries out the action specified by that rule.…If the firewall does not have explicit guidance…on handling requests, it blocks the connection.…
The default deny principle is a very important…
You can sign up for Mike's free study group at certmike.com, and find his study guides at the Sybex test prep site. To review the complete CISSP Body of Knowledge, visit https://www.isc2.org/cissp-domains/default.aspx.
Note: This course is part of a series releasing throughout 2018. A complete learning path will be available once all the courses are released.
- Identity and access management overview
- Identification mechanisms: user names, access cards, biometrics, and registration
- Authentication factors
- Password authentication protocols
- Identity as a service (IDaaS)
- Enforcing accountability
- Managing credentials with policies
- Using access control lists
- Defending against access control attacks
Skill Level Advanced
1. Identity and Access Management
5. Credential Management
7. Access Control Attacks
- Mark as unwatched
- Mark all as unwatched
Are you sure you want to mark all the videos in this course as unwatched?
This will not affect your course history, your reports, or your certificates of completion for this course.Cancel
Take notes with your new membership!
Type in the entry box, then click Enter to save your note.
1:30Press on any video thumbnail to jump immediately to the timecode shown.
Notes are saved with you account but can also be exported as plain text, MS Word, PDF, Google Doc, or Evernote.