Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

Cisco Learning and Certifications
Skills you'll gain: Hybrid Cloud Computing, Cloud-Based Integration, Cloud Management, Cloud Computing, Cloud Infrastructure, Key Management, Cloud Services, Cloud Deployment, Session Initiation Protocols, Network Troubleshooting, System Monitoring, Cloud Security, Collaborative Software, Interoperability, Telecommunications, Security Management, Encryption, Data Security
Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Responsible AI, Generative AI, Generative Model Architectures, AI literacy, Risking, AI Integrations, Data Ethics, ChatGPT, Risk Management Framework, Data Science, LLM Application, Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Data Security, Statistical Methods
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Advertising Campaigns, Campaign Management, Advertising, Online Advertising, Advertising Sales, Social Media Marketing, Digital Advertising, Lead Generation, Automation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Meta Ads Manager, Facebook, Driving engagement, Social Media Analytics, Social Media, Social Media Marketing, Target Audience, Instagram, Customer Insights, Advertising Campaigns, Advertising, Digital Advertising, Web Analytics, Social Work
Beginner · Guided Project · Less Than 2 Hours
Macquarie University
Skills you'll gain: Excel Macros, Microsoft Excel, Data-Driven Decision-Making, Predictive Modeling, Excel Formulas, Business Modeling, Spreadsheet Software, Data Validation, Automation, Dependency Analysis, Asset Protection, Data Security, Operations Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Ansible, Red Hat Enterprise Linux, Package and Software Management, User Accounts, Software Installation, OS Process Management, Linux Administration, File Systems, Network Administration, Data Storage, Linux, Network Performance Management, Infrastructure as Code (IaC), Software Configuration Management, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Marketing, Email Marketing, Pay Per Click Advertising, Digital Marketing Campaigns, Blogs, Digital Media Strategy, Content Performance Analysis, Marketing Strategies, Online Advertising, Advertising Campaigns, Campaign Management, Digital Brand Strategy, Marketing Planning, Digital Marketing Tools, Marketing Effectiveness, Contextual Advertising, Social Media, Data-Driven Marketing, Social Media Marketing, Marketing Strategy and Techniques
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Model Optimization, Artificial Intelligence, Applied Machine Learning, Python Programming, Model Training, Machine Learning Methods, Fine-tuning, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: AI Security, Claude Code, Responsible AI, Prompt Engineering, DevSecOps, Secure Coding, Prompt Engineering Tools, Information Privacy, Application Security, Vulnerability Scanning, Code Review, CI/CD, AI literacy, Vulnerability Assessments, AI Orchestration, Gemini, Security Awareness, GitHub, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Shared Media, Social Media Content, Social Media Campaigns, Content Marketing, Copywriting, Social Media Marketing, Content Creation, Social Media, Content Performance Analysis, Driving engagement, Content Strategy, Drive Engagement, Promotional Strategies
Mixed · Course · 1 - 3 Months

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Data Validation, Web Applications, Scripting Languages, Web Development, Javascript and jQuery, Hypertext Markup Language (HTML), Middleware, Model View Controller, Javascript, Interoperability, Java, Cascading Style Sheets (CSS), Computer Graphic Techniques, Scalability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Facebook, Online Advertising, Advertising, Digital Advertising, Advertising Campaigns, Meta Ads Manager, Social Media, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours