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 Colorado System
Skills you'll gain: Bayesian Network, Linear Algebra, Numerical Analysis, Mathematical Modeling, Estimation, Matlab, Statistical Modeling, Markov Model, Advanced Mathematics, Simulations, Integral Calculus, Correlation Analysis, Control Systems, Probability, Simulation and Simulation Software, Probability & Statistics, Applied Mathematics, Statistical Methods, Probability Distribution, Time Series Analysis and Forecasting
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Computing Architecture, Cloud Management, Cloud Security, Cloud Computing, Zero Trust Network Access, Business Continuity Planning, Business Continuity, Cloud Standards, Continuous Monitoring, Cloud Infrastructure, Hybrid Cloud Computing, Cloud Services, Data Migration, Resource Allocation, Security Management, Cloud Platforms, Data Management, Disaster Recovery, Infrastructure As A Service (IaaS), Cloud Deployment
Intermediate · Specialization · 3 - 6 Months

Digital Marketing Institute
Skills you'll gain: LinkedIn, Content Performance Analysis, Campaign Management, Social Media Campaigns, Social Media Marketing, Online Advertising, Social Media, Digital Advertising, Social Media Content, Marketing, B2B Sales, Social Media Management, Professional Networking, Digital Marketing Campaigns, Advertising Campaigns, Social Media Strategy, Business Marketing, Marketing Analytics, Video Production, Social Media Analytics
Beginner · Course · 1 - 4 Weeks

Digital Marketing Institute
Skills you'll gain: Meta Ads Manager, Social Media Marketing, Social Media Management, Facebook, Instagram, Content Performance Analysis, Target Audience, Online Advertising, Advertising Campaigns, Social Media Campaigns, Social Media Strategy, Social Media Analytics, Digital Advertising, Brand Awareness, Target Market, Advertising, Performance Measurement, Performance Metric, Performance Analysis
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Loans, Lending and Underwriting, Blockchain, General Lending, Derivatives, FinTech, Market Liquidity, Financial Trading, Token Optimization, Securities (Finance), Digital Assets, Liquidation, Portfolio Management
Intermediate · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Cloud Deployment, Cloud Services, Legal Risk, Cloud Computing, Intellectual Property, Cloud Computing Architecture, Cloud Storage, Cloud Platforms, Contract Negotiation, Cloud Security, Vendor Contracts, Cyber Risk, Contract Review, Law, Regulation, and Compliance, Contract Management, Data Security, Data Governance, Negotiation, Regulatory Requirements, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Network Architecture, General Networking, Network Infrastructure, Computer Networking, OSI Models, Network Switches, Network Engineering, Local Area Networks, Network Planning And Design, Networking Hardware, Network Protocols, Network Model, Infrastructure As A Service (IaaS)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oral Expression, Concision, Verbal Communication Skills, Public Speaking, Storytelling, Interviewing Skills, Writing, Professional Networking, Relationship Building, Professional Development, Business Writing, Communication
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Teradata SQL, Exploratory Data Analysis, SQL, Data Modeling, Database Design, Database Administration, Database Systems, Database Architecture and Administration, Database Management, Database Management Systems, Data Store, JSON, Data Integration, Relational Databases, Data Architecture, Advanced Analytics, Analytics, Data Analysis, Business Intelligence, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Simulation and Simulation Software, Simulations, Microbiology, Network Model, Biology, Programming Principles, Mathematical Modeling, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Starweaver
Skills you'll gain: Stakeholder Engagement, Business Analysis, Business Analysis Tools, Project Scoping, Organizational Change, Stakeholder Communications, Analysis, Requirements Analysis, Stakeholder Analysis, Requirements Management, Change Management, Performance Analysis, Project Performance, Performance Measurement, Business Development, Performance Metric, Quality Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, Java, Java Programming, Hypertext Markup Language (HTML)
Beginner · Specialization · 3 - 6 Months