CompTIA Security+ courses can help you learn network security, risk management, cryptography, and identity management. You can build skills in threat analysis, incident response, and implementing security controls to protect sensitive information. Many courses introduce tools like firewalls, intrusion detection systems, and vulnerability assessment software, showing how these tools are applied to safeguard networks and data against potential threats.

Skills you'll gain: Routing Protocols, TCP/IP, Network Troubleshooting, OSI Models, Network Switches, Data Centers, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Administration, General Networking, Network Routing, Virtualization and Virtual Machines, Computer Networking, Virtual Machines, Network Monitoring, Network Model, Networking Hardware, Local Area Networks
★ 4.8 (65) · Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Devops Tools, Unix Shell, Linux Servers, Linux Commands, Red Hat Enterprise Linux, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
★ 4.6 (31) · Intermediate · Specialization · 1 - 3 Months

Pearson
Skills you'll gain: Cloud Infrastructure, Cloud Security, Cloud Deployment, Network Troubleshooting, Cloud Platforms, Cloud Technologies, Cloud Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Remote Access Systems, Disaster Recovery, OSI Models, General Networking, Network Administration, Network Troubleshooting, Computer Networking, Network Architecture, Network Infrastructure, Networking Hardware, Network Monitoring, TCP/IP, Virtual Private Networks (VPN), Network Protocols, Cybersecurity, Computer Security, Data Centers, Virtualization, Authentications
★ 4.8 (25) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Database Software, Hardware Troubleshooting, Networking Hardware, Database Theory, Database Management Systems, Computer Networking, Network Support, Network Protocols, Web Applications, Security Software, Encryption, Security Awareness, Computer Literacy, Computing Platforms, Computer Programming, Endpoint Security, System Software, Authentications, Application Design, Database Management
★ 4.5 (12) · Beginner · Specialization · 1 - 3 Months

Pearson
Skills you'll gain: Firewall, Linux Administration, Authorization (Computing), Linux Servers, Linux, Security Controls, Hardening, Authentications, Network Security, Linux Commands, System Configuration, Servers, Computer Security, Server Administration, Encryption, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Assessment, Security Testing, Vulnerability Assessments, Penetration Testing, Vulnerability Management, Security Controls
★ 4.9 (9) · Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Disaster Recovery, Database Administration, Business Continuity Planning, Database Systems, Database Architecture and Administration, Database Management, Data Governance, Relational Databases, Data Management, Data Security, Business Continuity, Security Controls, SQL, Authorization (Computing), Identity and Access Management, Cyber Attacks, Data Analysis, Malware Protection
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Linux Administration, Linux, Linux Commands, Operating System Administration, TCP/IP, Authorization (Computing), System Configuration, Hardening, Network Monitoring, Network Routing, Network Troubleshooting, Network Administration, Network Analysis, Network Protocols, File Systems, User Accounts, Service Management, OS Process Management, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Controls, NIST 800-53, Authorization (Computing), Risk Management Framework, Change Control, Federal Information Security Management Act, Cyber Risk, Security Management, Vulnerability Assessments, Vulnerability Management, Configuration Management, System Monitoring, Security Requirements Analysis, System Implementation, Change Requests, Cyber Security Assessment, Security Testing, Risk Mitigation, Document Management
★ 4.8 (13) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Remote Access Systems, Network Troubleshooting, Network Administration, Virtual Private Networks (VPN), Hardening, TCP/IP, Cybersecurity, Human Factors (Security), Computer Networking, Hardware Troubleshooting, Network Performance Management, Command-Line Interface, Authentications, Wireless Networks
★ 4.6 (7) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Virtualization, Augmented and Virtual Reality (AR/VR), Cloud Computing Architecture, Virtualization and Virtual Machines, Network Administration, Cloud Computing, Firewall, Virtual Networking, Network Architecture, Virtual Private Networks (VPN), Mobile Security, Network Infrastructure, Cloud Services, General Networking, Augmented Reality, Cloud Security, Security Controls, Network Protocols, Peripheral Devices
★ 4.8 (27) · Intermediate · Course · 1 - 3 Months