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.

The Hong Kong University of Science and Technology
Skills you'll gain: Software Design Patterns, Requirements Analysis, White-Box Testing, Software Architecture, Acceptance Testing, Software Development Methodologies, Unified Modeling Language, Software Development Life Cycle, Configuration Management, Software Quality Assurance, Debugging, Software Quality (SQA/SQC), Software Engineering, Software Testing, Object Oriented Design, Functional Requirement, Data Modeling, Systems Design, Project Management, Project Planning
★ 4.6 (681) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Ansible, Shell Script, Package and Software Management, Linux Administration, Linux, Linux Servers, Unix Shell, Firewall, Bash (Scripting Language), Linux Commands, Performance Tuning, Model Context Protocol, Operating System Administration, Unix, User Accounts, Unix Commands, Systems Administration, System Monitoring, Command-Line Interface, Automation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Mainframe Computing, Mainframe Technologies, z/OS, Virtualization, Virtualization and Virtual Machines, Virtual Machines, Hardware Architecture, Infrastructure Architecture, Computing Platforms, Computer Architecture, Enterprise Security, Computer Hardware, Cryptography, Transaction Processing, System Configuration, Authorization (Computing), Identity and Access Management, Memory Management
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Security Assessment, Cybersecurity, Security Testing, Application Security, Cyber Attacks, Network Security, Security Awareness, Authentications, Cloud Security, Cyber Risk, Network Monitoring, Artificial Intelligence, ChatGPT
★ 4.6 (201) · Beginner · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Governance, Data Ethics, Data Governance, AI Security, Artificial Intelligence, Law, Regulation, and Compliance, Policy Analysis, Research, and Development, Regulatory Compliance, General Data Protection Regulation (GDPR), Environmental Policy, Business Ethics, Information Privacy, Intellectual Property, Generative AI, Information Technology, Professionalism, Automation, Risk Management Framework, Social Justice, Auditing
Beginner · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Wealth Management, Action Oriented, Investments, Portfolio Management, Financial Planning, Income Tax, Tax Planning, Tax Management, Goal Setting, Planning, Investment Management, Portfolio Risk, Income Statement, Benchmarking, Account Strategy, Financial Management, Prioritization, Cash Management, Estimation
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Red Hat Enterprise Linux, Linux Administration, Linux Servers, Operating System Administration, Linux Commands, Linux, Network Troubleshooting, Systems Administration, Network Administration, Network Monitoring, Technical Support and Services, System Configuration, TCP/IP, System Monitoring, IT Automation, Unix Shell, Computer Networking, Unix Commands, Command-Line Interface, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Data Warehousing, Apache Hadoop, Power BI, Data Architecture, Data Visualization Software, Microsoft Azure, Apache Spark, Extract, Transform, Load, Data Engineering, Database Administration, Big Data, Apache, Data Integration, Business Intelligence, SQL, Databases, Warehousing, Analytics, Data Storage
★ 4.9 (55) · Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Environmental Social And Corporate Governance (ESG), AI Product Strategy, Microsoft Copilot, AI Enablement, Responsible AI, Return On Investment, Cost Benefit Analysis, AI Security, Business Priorities, Governance Risk Management and Compliance, Financial Modeling, Governance, Data Governance, Executive Presence, Key Performance Indicators (KPIs), Risk Analysis, Operating Cost, Decision Making, Power Platform Architecture & Technical Design, Risk Modeling
Beginner · Course · 1 - 3 Months

Google Cloud
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Cloud Infrastructure, Load Balancing, Prompt Engineering, Kubernetes, Network Monitoring, Prompt Engineering Tools, Containerization, Virtual Networking, Network Architecture, Infrastructure As A Service (IaaS), Prompt Patterns, Network Security, Cloud Platforms, Cloud Storage, Network Routing, Network Planning And Design, Virtual Private Networks (VPN), Hybrid Cloud Computing
★ 4.8 (2K) · Intermediate · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: ChatGPT, Prompt Engineering, Agentic Workflows, Claude Code, Prompt Patterns, Generative AI Agents, AI Enablement, Prompt Engineering Tools, AI powered creativity, Multimodal Prompts, AI Product Strategy, Anthropic Claude, AI Orchestration, Agentic systems, Generative AI, AI Workflows, AI Personalization, AI Integrations, AI Security, Responsible AI
★ 4.8 (11K) · Beginner · Specialization · 3 - 6 Months