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 Prospecting, Prospecting and Qualification, Lead Generation, Cross-Channel Marketing, Sales Enablement, Sales, Sales Development, Global Marketing, Driving engagement, Sales Operations, Communication Strategies, Inside Sales, Regional Sales, Customer Engagement, LinkedIn, Sales Pipelines, Sales Strategy, Drive Engagement, AI Personalization, Personalized Campaigns
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistics, R Programming, Probability & Statistics, Data Preprocessing, Data Analysis, Statistical Inference, Regression Analysis, Data Pipelines, Logistic Regression, Analysis
★ 4.2 (382) · Mixed · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Resilience, Mental Health, Positivity, Personal Development, Stress Management, Psychosocial Assessments, Mental Health Diseases and Disorders, Behavioral Health, Psychology
★ 4.8 (526) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Nutrition and Diet, Food and Beverage, Sustainable Systems, Public Health, Community Health, Social Justice, Sustainable Development, Community Development, Health Equity, Systems Thinking, Land Management, Environment, Environmental Issue, Environment and Resource Management, Health Policy, Public Policies, Health Promotion, Manufacturing and Production, Advocacy, Economics
★ 4.7 (165) · Beginner · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Blogs, Social Media Marketing, Marketing Strategies, Social Media Strategy, Social Media, Social Media Content, Content Marketing, Social Media Analytics, Marketing Effectiveness, Digital Media Strategy, Marketing Design, Target Market, Drive Engagement, Customer Engagement, Content Creation, Multimedia, Writing
★ 4.8 (1.2K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Qualitative Research, Market Research, Quantitative Research, Data-Driven Decision-Making, Benchmarking, Data Presentation, Descriptive Statistics, Competitive Analysis, Analytical Skills, Brand Awareness, Research Design, Market Dynamics, Data Collection, Data Literacy, Data Analysis, ChatGPT, Data Analysis Software, Microsoft Excel, R Programming
★ 4.5 (261) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Kubernetes, Application Deployment, API Gateway, Cloud-Native Computing, Containerization, Network Troubleshooting, Data Storage, Network Administration, Infrastructure Security, Role-Based Access Control (RBAC), YAML, Security Controls, Linux Administration, Data Storage Technologies, General Networking, Problem Management, Network Security, Data Persistence, Test Tools, Scenario Testing
★ 4.4 (18) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Root Cause Analysis, Data Ethics, Responsible AI, Law, Regulation, and Compliance, Retrieval-Augmented Generation, LLM Application, Operations Research, Regulatory Compliance, Strategic Decision-Making, Apache Kafka, Pareto Chart, Operational Analysis, Decision Intelligence, Stakeholder Communications, Revenue Management, Large Language Modeling, Real Time Data, Statistical Inference, General Data Protection Regulation (GDPR), Reinforcement Learning
Intermediate · Specialization · 3 - 6 Months

Deep Teaching Solutions
Skills you'll gain: Prompt Engineering, Multimodal Prompts, Creative Thinking, AI Personalization, AI literacy, ChatGPT, Ideation, Creativity, Learning Strategies, Curiosity, Critical Thinking, Generative AI, Image Analysis, Artificial Intelligence, Constructive Feedback, Artificial Neural Networks
★ 4.8 (556) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management, Billing, Customer Relationship Management (CRM) Software, Sales Tax, Small Business Accounting, Accounting and Finance Software, Accounting, Security Controls, Payroll Systems
★ 4.5 (86) · Beginner · Guided Project · Less Than 2 Hours
Saïd Business School, University of Oxford
Skills you'll gain: Responsible AI, AI Enablement, Artificial Neural Networks, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI Product Strategy, AI literacy, Generative AI, Generative AI Agents, Machine Learning Methods, Deep Learning, Machine Learning, LLM Application, Convolutional Neural Networks, Supervised Learning, Fraud detection, Reinforcement Learning, Ethical Standards And Conduct, Unsupervised Learning
★ 4.8 (228) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, CI/CD, Application Deployment, DevOps, Continuous Integration, Containerization, Continuous Delivery, Continuous Deployment, Package and Software Management, IT Automation, Git (Version Control System)
★ 4.4 (11) · Advanced · Course · 1 - 4 Weeks