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.
University of Pennsylvania
Skills you'll gain: Demography, Market Trend, Trend Analysis, International Relations, International Finance, Socioeconomics, Social Sciences, Economics, Policy, and Social Studies, Political Sciences, Financial Systems, World History, Economic Development, Economics, Business Economics, Consumer Behaviour, Financial Policy, Public Safety and National Security, Governance
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Business Analysis, Business Analysis Tools, Business Process Modeling, Process Optimization, Requirements Management, Business Systems Analysis, Business Requirements, Process Modeling, Process Improvement and Optimization, Process Analysis, Data Modeling, Stakeholder Analysis, Requirements Elicitation, Agile Methodology, Requirements Analysis, Stakeholder Management, Business Process, Process Improvement, User Story, Stakeholder Engagement
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Search Engine Marketing, Digital Brand Strategy, Keyword Research, Digital Marketing, Online Advertising, Search Engine Optimization, Content Marketing, Social Media Marketing, Social Media Strategy, Digital Media Strategy, Social Media, Web Analytics and SEO, Storytelling, Marketing Strategies, Marketing Strategy and Techniques, Pay Per Click Advertising, Marketing Communications, Digital Advertising, Customer Relationship Management, Brand Management
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Digital Forensics, grep, Network Protocols, General Networking, Record Keeping, Data Storage, Data Integrity, File Management, Ethical Standards And Conduct, Encryption, Data Validation, Technical Documentation
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generally Accepted Accounting Principles (GAAP), Bookkeeping, Accruals, Accounting, Accounting Records, Balancing (Ledger/Billing), General Accounting, Regulatory Compliance, Revenue Recognition, Journals
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management, Risk Management Framework, Risk Mitigation, Enterprise Risk Management (ERM), Business Risk Management, Strategic Leadership, Digital Transformation, Financial Management, Financial Planning, Business Leadership, Business Strategies, Organizational Strategy, Organizational Effectiveness, Governance Risk Management and Compliance, Team Performance Management, Technology Strategies, Team Management, Organizational Structure, Talent Management
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Social Media Analytics, Data Visualization, Graph Theory, Relational Databases, Data Presentation, Data Visualization Software, R (Software), Infographics, Data Analysis, Network Model, Database Theory, Query Languages, Social Sciences, Statistical Analysis, Machine Learning, Machine Learning Methods, R Programming, Data Manipulation
Intermediate · Specialization · 3 - 6 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Hardware Design, Electronic Hardware, Threat Modeling, Systems Architecture, Hardening, Debugging, Computer Architecture, Hardware Architecture, System Programming, Internet Of Things, Application Security, General Networking, Wireless Networks, Operating Systems, Performance Tuning, System Requirements, Network Protocols
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Model Context Protocol, AI Security, AI Integrations, Tool Calling, IT Security Architecture, Generative AI Agents, Security Engineering, Context Management, Interoperability, Agentic systems, Enterprise Security, Authorization (Computing), Generative AI
Intermediate · Course · 1 - 4 Weeks

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Requirements Analysis, Requirements Management, Requirements Elicitation, Business Requirements, Technical Writing, Functional Requirement, Product Requirements, Engineering Documentation, Business Writing, System Requirements, Project Documentation, Editing, Systems Engineering
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, SQL, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Patient Communication, Nursing and Patient Care, Nursing Basics, Care Coordination, Nursing Care, Caregiving, Patient Advocacy, Basic Patient Care, Direct Patient Care, Clinical Supervision, Patient Safety, Patient Observation, Nursing Homes, Healthcare Industry Knowledge, Trend Analysis
Beginner · Course · 1 - 4 Weeks