User accounts, admin rights, and least privilege
Enforcing the Principle of Least Privilege (PoLP) to restrict user accounts to the minimum required access parameters needed for workflows. Review details at the OWASP Least Privilege Framework.
Section 1
Topic 4: Operating System Security
File permissions, system files, and processes
Securing directory access attributes, protecting host files, and tracking executing system binaries.
Startup items, logs, and basic system review
Reviewing automated boot applications, examining system error logs, and discovering hidden persistence configurations.
Updates, security settings, and recovery tools
Structuring automatic OS security patch loops, activating host defense layers, and confirming backup restoration baselines.
Common OS mistakes and safe configuration
Remediating regular daily use of global administrator accounts and eliminating unpatched legacy software libraries.
Knowledge Check
What are the key benefits of applying the Principle of Least Privilege (PoLP) on a host system?
It minimizes the system attack surface and limits the overall blast radius if a security compromise occurs.
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