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: Open Source Technology, Package and Software Management, Linux, Ubuntu, Operating System Administration, Linux Administration, Linux Commands, Operating Systems, Unix, Command-Line Interface, File Systems, Linux Servers, Unix Commands, Network Administration, Red Hat Enterprise Linux, Bash (Scripting Language), Application Deployment, Shell Script, IT Automation, Web Applications
★ 4.7 (10) · Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Interactive Data Visualization, Ad Hoc Reporting, Event Monitoring, Security Information and Event Management (SIEM), Software Installation, Analytics, Data Analysis, Data Manipulation, Big Data, Continuous Monitoring, Statistics
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Data Pipelines, Extract, Transform, Load, Data Lakes, Databricks, Data Architecture, Data Processing, Data Wrangling, Data Strategy, Data Presentation, Data Mining, Data Management, Data Governance, Data Integrity, Data Science, Live Streaming, SQL, Data Storage, Data Ethics, Data Security, Apache
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Scanning, Network Security, Penetration Testing, Configuration Management, System Configuration, Firewall, Linux Commands, Servers, Command-Line Interface, TCP/IP, Network Analysis, Software Versioning
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: International Relations, Diplomacy, Political Sciences, World History, Economic Development, Public Safety and National Security, Security Strategy, Economics, Policy Analysis
★ 4.7 (9) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React Native, User Interface and User Experience (UI/UX) Design, Mobile Development, UI/UX Strategy, Secure Coding, Development Testing, Unit Testing, Security Controls, Software Testing, Authentications, Data Security, Debugging, iOS Development, Mobile Security, Interaction Design, Frontend Performance, Mobile Development Tools, Android Development, Animations, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Network Architecture, Network Planning And Design, Virtual Networking, Network Infrastructure, Google Cloud Platform, General Networking, Network Routing, Computer Networking, Cloud Infrastructure, Network Security, Network Troubleshooting, Security Requirements Analysis, Network Model, Network Analysis, Firewall, Load Balancing, Hybrid Cloud Computing, Scalability
★ 4.8 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Metasploit, Exploitation techniques, Penetration Testing, Database Management, Cryptography, Security Testing, Data Import/Export, Encryption, Brute-force attacks, Vulnerability Assessments, Cybersecurity, SQL, Command-Line Interface
★ 4.8 (20) · Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Intellectual Property, Research, Higher Education, Research Methodologies, Research Design, Science and Research, Ethical Standards And Conduct, Student Engagement, Safety and Security, Innovation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Azure Active Directory, Group Policy, Hybrid Cloud Computing, Microsoft Servers, Windows Servers, User Accounts, User Provisioning, Windows PowerShell, Microsoft Azure, Identity and Access Management, Cloud Deployment, IT Infrastructure, Cloud-Based Integration, Authentications, Configuration Management, Security Controls
Intermediate · Course · 1 - 3 Months

SkillUp
Skills you'll gain: MySQL, Relational Databases, Data Management, Database Design, Data Warehousing, Data Visualization, Data Visualization Software, Interactive Data Visualization, Data Security, Dashboard Creation, Dashboard, Database Management, Data Presentation, Tableau Software, Data Cleansing, Data Integration, SQL, Microsoft Excel, Data Governance, Data Manipulation
★ 5 (9) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Agentic systems, Generative AI Agents, Anthropic Claude, AI Integrations, Tool Calling, LLM Application, Generative AI, Automation, Scalability, Application Programming Interface (API), Servers, Python Programming
★ 3.4 (7) · Intermediate · Course · 1 - 4 Weeks