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: Natural Language Processing, Text Mining, Clinical Informatics, Clinical Documentation, Clinical Data Management, R Programming, Google Cloud Platform, Health Informatics, Unstructured Data, Data Processing
Intermediate · Course · 1 - 3 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Programming Principles, Encryption, Data Structures, Virtualization and Virtual Machines, Network Protocols, Distributed Computing, Network Architecture, Algorithms
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Performance Testing, Scalability, Data Architecture, Software Architecture, Distributed Computing, Predictive Modeling, Performance Tuning, Microservices, Big Data, Software Engineering, Database Systems, Data Store, Model Evaluation
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Metasploit, Penetration Testing, Exploitation techniques, Vulnerability Assessments, Vulnerability Scanning, Cyber Security Assessment
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Derivatives, Portfolio Management, Capital Markets, Financial Systems, Financial Market, Credit Risk, Risk Management, Investments, Equities, Financial Regulation, Market Liquidity, Financial Policy, Risk Analysis, Financial Analysis, Securities Trading, Financial Services, Financial Trading, Market Data, Financial Management, Wealth Management
Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Virtual Private Networks (VPN), Wide Area Networks, Network Architecture
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Stakeholder Management, Communication Planning, Agile Project Management, Work Breakdown Structure, Project Scoping, Project Management, Project Schedules, Project Coordination, Project Planning, Leadership and Management, Leadership, Feasibility Studies, Requirements Analysis, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Systems Analysis, Communication Systems, Verification And Validation, System Design and Implementation, Data Modeling, Software Design, Software Architecture, Theoretical Computer Science, Network Protocols, Algorithms
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Convolutional Neural Networks, Image Analysis, Deep Learning, Keras (Neural Network Library), Model Evaluation, Tensorflow, Recurrent Neural Networks (RNNs)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Recurrent Neural Networks (RNNs), Data Manipulation, Data Transformation, Financial Forecasting, Model Evaluation, Data Visualization, Time Series Analysis and Forecasting, Exploratory Data Analysis, Keras (Neural Network Library), Deep Learning, Pandas (Python Package), NumPy
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Health Assessment, Chemistry, Risk Analysis, Sustainable Engineering, Personal Care, Environmental Engineering, Product Lifecycle Management, Environmental Regulations, Environmental Science, Child Health
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Customer Engagement, Customer Insights, Marketing Analytics, Target Audience, Social Media Content, Social Media Marketing, Advertising, Social Media, Drive Engagement, Social Media Management, Social Media Campaigns, Marketing, Content Marketing, Customer Communications Management
Beginner · Guided Project · Less Than 2 Hours