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Which of the following controls BEST prevents users from intentionally or unintentionally accessing data they are not authorized to view?
The principle of least privilege is a security concept that restricts users' access rights to only what is strictly necessary for their job functions. This control is the most effective in preventing unauthorized data access because it minimizes the chances of users, either intentionally or unintentionally, accessing data they are not authorized to view. It ensures that users are granted the minimum levels of access -- or permissions -- needed to perform their work. This reduces the risk of accidental or deliberate access to sensitive information.
In public key cryptography, digital signatures are primarily used to;
In public key cryptography, digital signatures are primarily used toprove sender authenticity. A digital signature is a cryptographic technique that allows the sender of a message to sign it with their private key, which can only be decrypted by their public key. The recipient can verify that the message was sent by the sender and not tampered with by using the sender's public key.
Which type of tools look for anomalies in user behavior?
Trend/variance-detection toolsare tools that look for anomalies in user behavior. These tools use statistical methods to establish a baseline of normal user activity and then compare it with current or historical data to identify deviations or outliers. These tools can help to detect unauthorized access, fraud, insider threats, or other malicious activities.
Which of the following describes a system that enforces a boundary between two or more networks, typically forming a barrier between a secure and an open environment such as the Internet?
A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It establishes a barrier between a secure internal network and an untrusted external network, such as the internet. This system is designed to prevent unauthorized access to or from private networks and is a fundamental piece of a comprehensive security framework for any organization.
