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.

L&T EduTech
Skills you'll gain: Scope Management, Stakeholder Management, Project Schedules, Project Risk Management, Environment Health And Safety, Work Breakdown Structure, Project Scoping, Earned Value Management, Feasibility Studies, Risk Analysis, Quality Management, Communication Planning, Procurement, Stakeholder Engagement, Cost Estimation, Scheduling, Cost Management, Project Management Life Cycle, Contract Management, Communication Strategies
★ 4.7 (69) · Advanced · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Design, Social Media Marketing, Social Media Content, Marketing Materials, Social Media Campaigns, Event Marketing, Marketing, Content Creation, Social Media, Branding, Promotional Materials, Loyalty Programs, Advertising, Creative Design, Product Promotion, Design, Brand Loyalty, Customer Engagement
★ 4.7 (223) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Agentic Workflows, Development Environment, Model Evaluation, Artificial Intelligence, AI literacy, Scalability, Performance Tuning, Model Optimization, Design
★ 4.5 (114) · Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cyber Security Policies, Cyber Security Assessment, Risk Management Framework, Security Management, Cyber Risk, Cybersecurity, Cyber Governance, Cyber Security Strategy, Command-Line Interface
★ 4.6 (124) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Consultative Selling, Selling Techniques, Account Strategy, Sales Management, Sales Pipelines, Sales, B2B Sales, Sales Training, Sales Strategy, Sales Development, Consultative Approaches, Account Management, Sales Process, Cross-Functional Team Leadership, Contract Negotiation, Price Negotiation, Cross-Functional Collaboration, Negotiation, Business Analytics, Ethical Standards And Conduct
Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Visualization, Data Synthesis, Data Presentation, Data Storytelling, Business Research, Presentations, Storytelling, Research Reports, Marketing Communications, Social Media Campaigns, Market Research, Marketing Effectiveness, Data-Driven Decision-Making, Social Media Marketing, Advertising, Customer Insights, Data Analysis, Target Audience, Digital Advertising, Digital Marketing
★ 4.6 (185) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Sustainable Systems, Sustainable Development, Transportation Operations, Case Studies, Land Management, Land Development, Community Development, Geospatial Mapping, Geospatial Information and Technology, Community Outreach
★ 4.5 (203) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Reconciliation, QuickBooks (Accounting Software), Spreadsheet Software, Accounting Records, Investigation, Variance Analysis, Financial Statements, Accounts Payable, Financial Controls, Fraud detection, Analysis, Billing & Invoicing, Verification And Validation, Payment Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Microsoft Azure, Active Directory, Authorization (Computing), Identity and Access Management, User Provisioning, Group Policy, Cloud Management, Cloud Security, User Accounts, Cloud Storage, Data Security, Data Storage, Key Management, Encryption
★ 3.9 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Agile Methodology, User Feedback, Collaborative Software, Application Development, Software Quality (SQA/SQC), Application Design, Software Development, Prototyping, Constructive Feedback, Development Testing, User Interface (UI), Business Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, IT Security Architecture, Computer Networking, Information Systems Security, Systems Administration, IT Infrastructure, Network Security, Operating System Administration, Cybersecurity, Package and Software Management, Application Security, Lightweight Directory Access Protocols, TCP/IP, Network Protocols, Active Directory, File Systems, Technical Support, OS Process Management, End User Training and Support, Help Desk Support
★ 4.7 (141) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Responsible AI, Data Ethics, Workforce Development, Strategic Thinking, Operational Efficiency, Employee Training, Thought Leadership, Business Risk Management, AI Integrations
★ 4.8 (97) · Mixed · Course · 1 - 4 Weeks