CompTIA CySA+ Practice Test 2025 – Complete Prep Guide

The principle of least privilege access is fundamental for effective network security because it ensures that users are granted only the minimal level of access necessary to perform their work tasks. This approach minimizes the potential attack surface by reducing the number of users who have administrative or elevated permissions, thereby decreasing the risk of accidental or malicious damage to systems and data.

By limiting access rights, organizations can prevent unauthorized access to sensitive information and reduce the likelihood of breaches resulting from compromised accounts. This principle is crucial in establishing a security posture that prioritizes protecting valuable assets and maintaining a robust defense strategy against various threat vectors. Implementing least privilege access also aids in regulatory compliance, as many regulations require strict controls over access to sensitive data.

The other options do not provide the same level of security assurance as least privilege access. Open access to all resources dramatically increases vulnerability, while overlapping network pathways can lead to confusion and potential breaches. Separation of duties is a useful control, but it functions best in conjunction with least privilege to create a comprehensive security framework.