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.

Coursera
Skills you'll gain: Bookkeeping, Balancing (Ledger/Billing), Accounting Records, Ledgers (Accounting), Cash Management, Cash Flows, General Accounting, General Ledger, Financial Reporting, Record Keeping, Financial Statements, Equities
Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Sustainable Systems, Sustainable Development, Systems Thinking, Sustainable Business, Corporate Sustainability, Policy Development, Environmental Issue, Policy Analysis, Research, and Development, Environmental Policy, Environmental Science, Climate Change Programs, Innovation, Natural Resource Management, Climate Change Adaptation, Community Development, Predictive Modeling, Climate Change Mitigation, Spatial Data Analysis, Resource Utilization, Geospatial Information and Technology
★ 4.7 (125) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, No-Code Development, AI Integrations, AI Enablement, Business Process Automation, Business Process, Data Management, Risk Mitigation, Return On Investment, Process Design, Key Performance Indicators (KPIs), Business Transformation, Automation, Performance Metric, Project Implementation, Performance Measurement, Data Cleansing, Business Metrics, Data Storytelling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, ChatGPT, Fine-tuning, Keras (Neural Network Library), Model Training, Applied Machine Learning, Data Preprocessing, Image Analysis, Data Import/Export, Test Data, Machine Learning, Python Programming, Artificial Neural Networks, Deep Learning
★ 4.4 (35) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Sales Operations, Strategic Leadership, Business Leadership, Customer Insights, Organizational Effectiveness, Performance Measurement, Business Priorities, Performance Metric, Business Risk Management, Risk Analysis, Customer Relationship Building
Intermediate · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Digital Transformation, Digital Assets, Business Transformation, Entrepreneurship, Emerging Technologies, Innovation, digital literacy, Business Strategies, Business Modeling, Action Oriented, Market Dynamics, Network Model, Agile Methodology, Product Planning
★ 4.6 (154) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Network Security, IT Security Architecture, Package and Software Management, IT Infrastructure, Computer Networking, Information Systems Security, Systems Administration, Microsoft Windows, Technical Support and Services, Cybersecurity, OSI Models, Cloud Management, Technical Support, Network Troubleshooting, Disaster Recovery, Operating Systems, Help Desk Support, TCP/IP, Computer Hardware
★ 4.9 (37) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Load Balancing, Cloud Infrastructure, Virtual Private Networks (VPN), Cloud Computing, Terraform, Cloud Services, Network Security, Infrastructure as Code (IaC), Virtual Machines, Cloud Deployment, General Networking, Virtual Networking, Managed Services, Network Routing, Scalability
★ 4.9 (167) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Security, Security Controls, Data Loss Prevention, Health Care Procedure and Regulation, Computer Security Awareness Training, Cybersecurity, Cryptographic Protocols, Role-Based Access Control (RBAC), AWS Identity and Access Management (IAM)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Trend Analysis, Financial Acumen, Financial Analysis, Data Import/Export, Business Reporting, Financial Data, Data Wrangling, Analytical Skills, Data Transformation, Accounting Records, Microsoft Excel, Data Literacy, Transaction Processing, Performance Analysis, Financial Reporting, Data Processing
Beginner · Course · 1 - 4 Weeks

École normale supérieure
Skills you'll gain: Theoretical Computer Science, Combinatorics, Algorithms, Operations Research, Graph Theory, Applied Mathematics, Model Optimization, Advanced Mathematics, Linear Algebra, Mathematical Modeling, Network Model, Probability, Probability & Statistics
★ 4.7 (48) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Sales Management, Team Leadership, Sales Training, Virtual Teams, Team Management, Sales Enablement, Team Motivation, Sales, Team Performance Management, Sales Pipelines, Sales Process, Innovation, Overcoming Objections, Conflict Management, Performance Analysis, Employee Onboarding, Drive Engagement, Employee Retention, Customer Engagement, Recognizing Others
Beginner · Specialization · 1 - 3 Months