Master security concepts, device security, password practices, and encryption fundamentals (19% of exam).
Covers fundamental security concepts including confidentiality, integrity, availability (CIA triad), authentication, and authorization. Explores device security topics such as anti-malware, firewalls, patching, physical security, and safe browsing practices. Includes password best practices covering length, complexity, privacy, avoiding password reuse, and using password managers. Also covers encryption concepts including data at rest, data in transit, HTTPS, VPNs, and mobile device encryption.
5 minutes
5 Questions
Security in the context of CompTIA Tech+ encompasses the fundamental principles and practices essential for protecting computer systems, networks, and data from unauthorized access, threats, and vulnerabilities. This domain covers several critical areas that IT professionals must understand to maintain safe computing environments.
Confidentiality, Integrity, and Availability (CIA Triad) form the foundation of security concepts. Confidentiality ensures that sensitive information remains accessible only to authorized individuals. Integrity guarantees that data remains accurate and unaltered during storage or transmission. Availability ensures that systems and data remain accessible when needed by legitimate users.
Authentication and authorization are key security mechanisms. Authentication verifies user identity through passwords, biometrics, smart cards, or multi-factor authentication (MFA). Authorization determines what resources authenticated users can access based on their permissions and roles.
Malware protection involves defending against various malicious software types including viruses, worms, trojans, ransomware, and spyware. Antivirus software, regular updates, and user education help mitigate these threats.
Network security includes implementing firewalls, intrusion detection systems, VPNs, and secure wireless configurations. These tools monitor and control network traffic to prevent unauthorized access.
Physical security protects hardware and facilities through access controls, surveillance systems, locks, and environmental controls. This prevents theft, vandalism, and unauthorized physical access to equipment.
Data protection involves encryption, secure backup procedures, and proper disposal methods for sensitive information. Understanding encryption types and when to apply them is crucial.
Social engineering awareness helps users recognize manipulation tactics like phishing, pretexting, and tailgating that exploit human psychology rather than technical vulnerabilities.
Best practices include regular software updates, strong password policies, principle of least privilege, security awareness training, and incident response planning. IT professionals must stay current with emerging threats and continuously adapt security measures to protect organizational assets effectively.Security in the context of CompTIA Tech+ encompasses the fundamental principles and practices essential for protecting computer systems, networks, and data from unauthorized access, threats, and vulnerabilities. This domain covers several critical areas that IT professionals must understand to main…