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.

Skills you'll gain: Key Management, Cryptography, Cryptographic Protocols, Advanced Encryption Standard (AES), Cybersecurity, IT Security Architecture, Public Key Infrastructure, Public Key Cryptography Standards (PKCS), Encryption, Cyber Security Policies, Network Security, Computer Security, Quantum computing, NIST 800-53, Information Privacy, Security Management, Risk Management, Network Protocols, Negotiation, Communication
Beginner · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Public Key Infrastructure, Key Management, Transaction Processing, Authentications, Data Security, Information Privacy, Data Integrity
Beginner · Course · 1 - 4 Weeks

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

Saïd Business School, University of Oxford
Skills you'll gain: Machine Learning Methods, Financial Services, Artificial Intelligence, Responsible AI, FinTech, Financial Data, Banking Services, Decision Intelligence, Financial Regulation, Banking, Fraud detection, Machine Learning, Data Ethics, Natural Language Processing, AI Personalization, Deep Learning, Credit Risk, Case Studies, Algorithms, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Building Codes, Construction, Safety Standards, Building Services Engineering, Building Design, Facility Management and Maintenance, Hazard Analysis, Safety and Security, Firewall, Design Specifications, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Conversion Funnel Analysis, Dashboard Creation, Data Storytelling, Marketing Budgets, Looker (Software), Customer Retention, SQL, Data Visualization, Marketing Analytics, Customer Insights, Tableau Software, Statistical Analysis, Predictive Analytics, Business Intelligence, Data Analysis, Time Series Analysis and Forecasting, Data-Driven Decision-Making, R Programming, Python Programming
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Change Management, Scaled Agile Framework, Organizational Change, Culture Transformation, Organizational Development, Agile Methodology, Leadership Studies, Business Transformation, Scalability, Organizational Strategy, Case Studies
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Consultative Selling, Sales Prospecting, Consultative Approaches, Selling Techniques, Sales Development, General Sales Practices, Sales Management, Lifelong Learning, Sales Training, Lead Generation, Sales Operations, Communication, Process Optimization, Presentations, User Research, Regional Sales, B2B Sales, Customer Relationship Management (CRM) Software, Account Management, Negotiation
Beginner · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Cyber Governance, Security Management, Cybersecurity, Governance, Leadership Studies, Cyber Security Strategy, Information Assurance, Leadership, Change Management, Governance Risk Management and Compliance, Organizational Change
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Risk Management Framework, Infrastructure Security, Cyber Security Policies, Continuous Monitoring, Cyber Security Assessment, Security Management, Cyber Governance, Cybersecurity, Cyber Security Strategy, Cyber Risk, Computer Security, Scenario Testing, Dependency Analysis
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Exploitation techniques, Data Integrity, Continuous Monitoring, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Incident Response, Server Side, CI/CD
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Nursing Management, Patient Safety, Continuous Quality Improvement (CQI), Clinical Leadership, Nursing Practices, Health Care Administration, Nursing, Nursing Care, Leadership, Collaboration, Accountability, Safety Standards
Intermediate · Course · 1 - 4 Weeks