CompTIA Security+ courses can help you learn network security, risk management, cryptography, and compliance. You can build skills in threat analysis, incident response, and security architecture. Many courses introduce tools like firewalls, intrusion detection systems, and security information and event management (SIEM) software, demonstrating how these tools are used to protect systems and data from cyber threats.

Skills you'll gain: Operating System Administration, Network Infrastructure, Data Storage, Command-Line Interface, Software Installation, Security Controls, Active Directory, System Configuration, Cloud Computing
★ 4.7 (66) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Operating System Administration, Linux, Linux Commands, Virtualization, File Systems, Systems Administration, Command-Line Interface, Containerization, Bash (Scripting Language), Hardening, Virtualization and Virtual Machines, Network Troubleshooting, Data Storage, Application Deployment, Infrastructure as Code (IaC), Virtual Machines, Shell Script, System Monitoring, Data Storage Technologies
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Data Integration, Data Analysis, Data Literacy, Data Mining, Data Presentation, Data-Driven Decision-Making, Data Governance, Business Analytics, Data Visualization, Dashboard Creation, Analytics, Statistical Analysis, Dashboard, Data Warehousing, Data Storage, Data Security, Data Quality, Data Cleansing, Data Integrity, Machine Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Local Area Networks, Linux Commands, Information Technology Operations, Dynamic Host Configuration Protocol (DHCP), Data Storage, Security Controls, Computer Networking, Remote Access Systems, System Configuration, Linux, Information Systems Security, Network Routers, Performance Tuning, Mac OS, Information Technology, Android (Operating System), Data Maintenance, Multi-Factor Authentication, Peripheral Devices
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Troubleshooting, Display Devices, Networking Hardware, Virtual Machines, Cloud Computing, Firewall, Mobile Security, Network Infrastructure, USB, Computer Networking, Augmented Reality, Network Routers, Network Switches, Cloud Security, Network Protocols, System Configuration, Computer Systems, Data Storage, Information Technology
★ 4.5 (94) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Threat Intelligence, Vulnerability Assessments, Incident Response, Cybersecurity, Threat Modeling, Threat Detection, Application Security
Intermediate · Course · 3 - 6 Months

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

Skills you'll gain: Scope Management, Project Schedules, Budget Management, Project Scoping, Project Performance, Procurement, Project Risk Management, Project Management, Change Control, Software Development Methodologies, Project Management Software, Vendor Management, Project Management Life Cycle, IT Infrastructure, Software Development Life Cycle, Change Management, Risk Management, Communication Strategies, Quality Assurance, Stakeholder Engagement
★ 5 (11) · Intermediate · Specialization · 3 - 6 Months

Total Seminars
Skills you'll gain: Malware Protection, Network Troubleshooting, Mobile Security, Security Controls, Remote Access Systems, Scripting, Operating System Administration, Command-Line Interface, Microsoft Windows, Mac OS, File Management, Hardware Troubleshooting, Operating Systems, Computer Networking, Linux, Windows Servers, Security Software, Mobile Development Tools, Mobile Development, Software Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Disaster Recovery, Server Administration, Windows Servers, Servers, Network Troubleshooting, IT Infrastructure, Linux Servers, Virtualization, Hardware Troubleshooting, Operating System Administration, Data Storage Technologies, IT Automation, Remote Access Systems, Hardening, Security Controls, Networking Hardware, Computer Hardware, Data Storage, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Exploitation techniques, Cyber Security Assessment, Security Testing, Vulnerability Assessments, Mobile Security, Cloud Security, Network Security
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Troubleshooting, Help Desk Support, System Configuration, Computer Hardware, Networking Hardware, Hardware Troubleshooting, Technical Support, Peripheral Devices, Computer Networking
★ 3.4 (140) · Beginner · Course · 1 - 4 Weeks