In mandatory access control, or MAC, systems, the operating system itself restricts the permissions that may be granted to users and processes on system resources. Users themselves cannot modify permissions. Explore the concept of MAC and rule-based access controls.
- [Instructor] Mandatory Access Control systems,…are the most stringent type of access control.…In Mandatory Access Control, or MAC systems,…the operating system itself, restricts the permissions…that may be granted to users and processes…on system resources.…Users themselves cannot modify permissions.…For this reason, MAC is rarely, fully implemented…on production systems outside of highly secure environments.…MAC is normally implemented as a rule-based…access control system,…where users and resources have labels,…and the operating system makes access control decisions…by comparing those labels.…
The most common example of an operating system…implementing MAC, is Security-Enhanced Linux, or SELinux,…a Linux Kernel security module developed…by the U.S. National Security Agency in the 1990s,…and included in some Linux distributions,…including Red Hat Enterprise Linux, CentOS, and Fedora.…So lets take a look at a brief demonstration.…I have here an ssh session open to a Linux system,…running Red Hat Enterprise Linux,…
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- Provisioning and deprovisioning
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- Using biometric measures as identification mechanisms
- Multifactor authentication
- Password authentication protocols
- How LDAP and Kerberos work together
- Identity as a Service (IDaaS)
- Mandatory and discretionary access controls
- Defending against password attacks
- Social engineering attacks
Skill Level Intermediate
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1. Identity and Access Management
5. Access Control Exploits
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