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.

Skills you'll gain: Mainframe Computing, COBOL (Programming Language), Systems Development Life Cycle, Software Development Life Cycle, Mainframe Technologies, z/OS, Unit Testing, Systems Analysis, Job Control Language (JCL), IBM DB2, Systems Development, Agile Software Development, Debugging, Pseudocode, Program Development, Software Development Methodologies, Virtualization, Agile Methodology, Software Development, File I/O
★ 4.6 (1.4K) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Surveys, Google Analytics, Search Engine Optimization, Competitive Intelligence, Keyword Research, Survey Creation, Product Marketing, Marketing Analytics, Data-Driven Marketing, Web Analytics and SEO, Prompt Engineering Tools, Competitive Analysis, Target Audience, Market Intelligence, Web Analytics, Product Strategy, Go To Market Strategy, Market Research, Content Strategy
Intermediate · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Regression Analysis, Risk Modeling, Estimation, Sampling (Statistics), Risk Management, Statistical Analysis, Analysis, Decision Making, Statistical Inference, Risk Analysis, Statistics, Data-Driven Decision-Making, Forecasting, Bayesian Statistics, Strategic Decision-Making, Business Metrics, Cost Estimation, Business Analysis, Problem Solving, Business Strategy
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Prompt Engineering Tools, Prompt Engineering, Multimodal Prompts, Prompt Patterns, Responsible AI, Generative AI, Generative Model Architectures, Computer Vision, Image Analysis, LLM Application, AI literacy, AI powered creativity, Large Language Modeling, OpenAI, Data Ethics, AI Personalization, Artificial Intelligence, Creativity, Musical Composition, Machine Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: NoSQL, Database Administration, Data Warehousing, SQL, Data Pipelines, Apache Hadoop, Database Architecture and Administration, Database Design, Database Management, Relational Databases, Data Security, Linux Commands, Data Migration, Data Governance, MongoDB, Apache Spark, Apache Kafka, Extract, Transform, Load, Data Architecture, Data Store
★ 4.6 (7.6K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Application Deployment, Kubernetes, Network Troubleshooting, Performance Tuning, Network Performance Management, Network Routing, Network Security, Network Planning And Design, Network Administration, Scalability
★ 3.6 (18) · Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Linux, Linux Commands, Linux Servers, Ubuntu, File Management, Command-Line Interface, Unix, Bash (Scripting Language), grep, Servers, Operating Systems, File Systems, Shell Script, Web Servers, IT Automation, Apache, MySQL, Open Source Technology, Service Management
★ 4.5 (968) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Core Data (Software), iOS Development, Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, Code Review, UI Components, Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Data Structures, Data Persistence, User Interface (UI), User Interface (UI) Design, Data Store, Application Development, Transaction Processing, Mobile Development
★ 4.4 (913) · Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Investment Banking, Financial Modeling, Mergers & Acquisitions, Financial Statement Analysis, Financial Statements, Financial Data, Private Equity, Capital Markets, Financial Analysis, Finance, Bidding, Equities, Business Valuation, Transaction Processing, Loans, Financial Market, Financial Forecasting, Corporate Finance, Cash Flows, Dealing With Ambiguity
Intermediate · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data-Driven Marketing, Digital Brand Strategy, Digital Marketing Campaigns, Customer Engagement, Journey Mapping, Digital Marketing Tools, Direct Marketing, Driving engagement, Marketing Strategy and Techniques, Online Advertising, Digital Advertising, MarTech, Data Architecture, Strategic Marketing, Social Media Marketing, Consumer Behaviour, Customer Insights, Emerging Technologies, Experimentation, Data Visualization
★ 4.7 (23K) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: AI Security, AI literacy, Social Impact, Generative AI, Analysis, Critical Thinking, Data Security
★ 4.8 (2.2K) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Unit Testing, Growth Mindedness, Data Structures, Graph Theory, Event-Driven Programming, Social Network Analysis, Interactive Data Visualization, Java, Java Programming, Network Analysis, Object Oriented Programming (OOP), Technical Communication, User Interface (UI), Peer Review, Object Oriented Design, Software Testing, Computer Programming, Program Development, Adaptability, Problem Solving
★ 4.7 (7.2K) · Intermediate · Specialization · 3 - 6 Months