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.

LearnQuest
Skills you'll gain: Sales Presentations, Closing (Sales), Negotiation, Data Visualization, Sales Training, Contract Negotiation, Price Negotiation, B2B Sales, Influencing, Persuasive Communication, Storytelling, Behavioral Economics, Overcoming Objections, Value Propositions, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OSI Models, TCP/IP, Network Monitoring, Network Protocols, Network Troubleshooting, Network Security, Network Administration, Network Analysis, Cyber Security Assessment, Linux
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Looker (Software), Customer Retention, Web Analytics, Customer Analysis, Customer Insights, Marketing Analytics, Trend Analysis, Data Analysis, Product Management, Performance Metric, Analysis, Time Series Analysis and Forecasting, Strategic Marketing, Marketing Channel, Forecasting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Persona Development, Content Marketing, Customer Insights, Target Audience, Content Strategy, Persona (User Experience), Social Media Content, Data Storytelling, Marketing Analytics, Performance Measurement, Scheduling, Drive Engagement, Key Performance Indicators (KPIs), Return On Investment, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative Adversarial Networks (GANs), Generative AI, Fraud detection, Keras (Neural Network Library), Tensorflow, Data Preprocessing, Deep Learning, Dimensionality Reduction, Exploratory Data Analysis, Anomaly Detection, Data Visualization, Data Synthesis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Convolutional Neural Networks, Machine Learning Methods, Matlab, Transfer Learning, Traffic Flow Optimization
Beginner · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Threat Modeling, Threat Detection, Open Web Application Security Project (OWASP), Cybersecurity, Cyber Attacks, Application Security, Network Security, Security Testing, Vulnerability Assessments, Security Controls, Secure Coding, SQL
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Automation, Email Automation, Scheduling, Management Reporting, Performance Reporting, Automation, Stakeholder Communications, Report Writing, Scalability, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Requirements Management, Design Reviews, Systems Engineering, Engineering Management, User Requirements Documents, Requirements Analysis, Systems Design, Business Requirements, Software Engineering, Systems Integration, Leadership, Engineering Design Process, Performance Measurement, Manufacturing and Production, Coordination, Data-Driven Decision-Making, Decision Making
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Delegation Skills, Accountability, Conflict Management, Goal Setting, Team Building, Expectation Management, Team Management, Communication, Follow Through, Productivity, Team Leadership, Management Training And Development, Leadership Studies, Constructive Feedback, Employee Performance Management, Case Studies, Performance Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Clinic Management Systems, Patient Flow, Patient Registration, Practice Management Software, Health Informatics, End User Training and Support, Health Administration, Data Integration, Technical Support and Services, Systems Integration
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Reinforcement Learning, Artificial Intelligence, Tensorflow, Artificial Neural Networks, Deep Learning, Machine Learning, Applied Machine Learning, Data Ethics, Supervised Learning, Responsible AI, Unsupervised Learning, Natural Language Processing, Computer Programming
Beginner · Course · 1 - 4 Weeks