Role-Based Access Control (RBAC) is an approach to restricting system access to authorized users based on their roles within an organization. It depends on the job functions that individual users have as part of their responsibilities and is designed to reduce administrative work by assigning roles based on job competency, authority, and responsibility. References: Cisco Cybersecurity Operations Fundamentals, Module 1: Security Concepts, Lesson 1.2: Data Protection, Topic 1.2.2: Access Control Models

 Agent-based protection is a type of endpoint security that uses software agents installed on the devices to monitor and protect them. Agent-based protection can collect and detect all traffic locally, which means it can operate without relying on a network connection or a centralized server. Agent-based protection can also provide more granular and comprehensive visibility and control over the devices. References: https://learningnetworkstore.cisco.com/on-demand-e-learning/understanding-cisco-cybersecurity-operations-fundamentals-cbrops-v1.0/CSCU-LP-CBROPS-V1-028093.html (Module 2: Security Concepts, Lesson 2.3: Endpoint Security)

Social engineering attacks involve manipulating individuals into divulging confidential information or performing actions that compromise security. The fake offer for a free music download is a classic example of social engineering, where attackers lure users with a tempting offer to trick them into providing personal information or downloading malware.

Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS)

Privileges required is a metric in the Common Vulnerability Scoring System (CVSS) that measures the level of access needed to launch a successful attack. The higher the privileges required, the lower the severity of the vulnerability. The privileges required metric has three possible values: none, low, and high. None means that the attacker does not need any privileges to exploit the vulnerability. Low means that the attacker needs privileges that provide basic user capabilities. High means that the attacker needs privileges that provide significant or administrative control over the target. References: Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS) - Cisco, page 2-17; 200-201 CBROPS - Cisco, exam topic 1.3.c

Encryption is an evasion technique that is a function of ransomware, which is a type of malware that encrypts the victim’s files or system and demands a ransom for the decryption key. Encryption is used by ransomware to prevent the victim from accessing their data and to avoid detection by antivirus or other security tools. Encryption can also be used by other types of malware to hide their communication, configuration, or payload from analysis. References:

Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS) v1.0, Module 3: Network Intrusion Analysis, Lesson 3.4: Malware

Cisco Certified CyberOps Associate Overview, Exam Topics, 3.4 Compare and contrast types of malware