18 Questions
What is the primary goal of OS hardening?
To strengthen the OS against cyber attacks
What percentage of targeted cyber intrusions could have been prevented by the top four mitigation strategies?
70%
What is the main reason why each OS layer is vulnerable to attack?
If the lower layers are not secured properly
What is the purpose of the 'Top 35 Mitigation Strategies' listed by the Australian Defense Signals Directorate?
To provide a comprehensive guide for OS hardening
What is the process of securing each OS layer called?
OS hardening
What is the main responsibility of the base operating system layer?
To include privileged kernel code, APIs, and services
What is the primary phase in which system requirements should be identified?
Planning phase
What is the primary purpose of removing unnecessary services and applications in the OS?
To reduce attack surface
What is the primary benefit of configuring resource controls in the OS?
To set appropriate permissions on data and resources
What is the primary purpose of testing the security of the basic OS?
To verify that the system meets basic security requirements
What is the sequence of steps in securing a system?
Plan the system, then secure the base OS and apps and services
What is the primary purpose of configuring users, groups, and permissions in the OS?
To assign minimal permissions to users and groups
What is the primary goal of planning during system deployment?
To maximize security while minimizing costs
Why is securing the base OS a critical step in system deployment?
Because default configurations often prioritize functionality over security
What is a key consideration when securing the base OS?
Disabling unnecessary devices and servers
What is the first step in deploying a new system?
Planning the system deployment
What is a key aspect of the planning process during system deployment?
Determining security requirements for the system, applications, data, and users
Why is it important to secure the base OS?
To minimize system security risks
This quiz covers key measures for preventing operating system security threats, including whitelisting applications, patching vulnerabilities, and restricting admin privileges. It also discusses the importance of a planned process for building and deploying a system to counter compromise during installation.
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