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: A/B Testing, Content Performance Analysis, Content Scheduling, Marketing Analytics, Business Intelligence, Performance marketing, Key Performance Indicators (KPIs), Campaign Management, Brand Marketing, Social Media Management, Customer Relationship Management (CRM) Software, Digital Marketing, Marketing Automation, Content Optimization, Email Marketing, Value Propositions, Data-Driven Marketing, Web Analytics, Brand Management, Content Strategy
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Lakes, Data Pipelines, Data Integration, Apache Airflow, Performance Tuning, Data Security, Data Architecture, Data Transformation, Apache Spark, Disaster Recovery, Data Warehousing, Cloud Infrastructure, SQL, Infrastructure as Code (IaC), Database Architecture and Administration, PySpark, Terraform, Extract, Transform, Load, Cloud Computing, Data Governance
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Large Language Modeling, Email Security, Exploitation techniques, AI Security, Border Gateway Protocol, Malware Protection, Mobile Security, LLM Application, Cybersecurity, Routing Protocols, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, Intrusion Detection and Prevention, Security Controls, Threat Detection, TCP/IP, Network Analysis, Internet Of Things, Responsible AI
Intermediate · Specialization · 3 - 6 Months

Fractal Analytics
Skills you'll gain: Prompt Engineering, Responsible AI, Generative AI, Generative Model Architectures, Code Review, Data Ethics, AI Workflows, AI literacy, Artificial Intelligence, Object Oriented Programming (OOP), Risking, Machine Learning Methods, Artificial Neural Networks, Maintainability, Computer Programming, AI powered creativity, Debugging, Problem Solving, Critical Thinking, Data Analysis
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Planning, Plan Execution, Agentic systems, Strategic Thinking, Business Strategies, Strategic Decision-Making, Payment Systems, Governance, Financial Inclusion, Financial Services, Strategic Partnership, Financial Regulation, Ledgers (Accounting), Work Breakdown Structure, Cryptography, Emerging Technologies, Stakeholder Analysis
Beginner · Specialization · 3 - 6 Months
Tecnológico de Monterrey
Skills you'll gain: Persona Development, Social Media Strategy, Social Media, Performance Measurement, Social Media Marketing, Social Media Campaigns, Smart Goals, Social Media Management, Digital Media Strategy, Content Marketing, Communication Planning, Goal Setting, Performance Analysis, Key Performance Indicators (KPIs), Social Media Analytics, Active Listening, Marketing Strategies, Target Audience, LinkedIn, Facebook
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: JUnit, Test Driven Development (TDD), Unit Testing, Software Testing, Test Case, Eclipse (Software), Test Script Development, Test Data, Development Testing, Test Automation, Test Execution Engine, Integrated Development Environments, Testability, Java, Test Tools, Program Development, Maintainability, Software Design
Intermediate · Specialization · 1 - 3 Months
Skills you'll gain: SAS (Software), Network Analysis, Trend Analysis, Data Manipulation, Data Analysis, Forecasting, Data Quality, Text Mining, Exploratory Data Analysis, Spatial Data Analysis, Data Visualization Software, Spatial Analysis, Data Transformation, Analysis, Data Mapping, Interactive Data Visualization, Analytics, Data Visualization, Business Analytics, Business Reporting
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Cryptographic Protocols, Encryption, Data Integrity, Cybersecurity, Computer Security, Information Assurance, Authentications, Data Security, Theoretical Computer Science, Threat Modeling, Communication Systems, Algorithms, Digital Communications
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: IT Security Architecture, Operating System Administration, Package and Software Management, Information Systems Security, IT Infrastructure, Network Troubleshooting, Systems Administration, Computer Networking, Infrastructure Security, Computer Security, Encryption, Desktop Support, Routing Protocols, Lightweight Directory Access Protocols, Technical Support, Network Protocols, Computer Hardware, Cloud Computing, Customer Service, Debugging
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Application Security, Security Testing, Cyber Security Assessment, Vulnerability Scanning, Brute-force attacks, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Memory Management, Amazon Web Services, Amazon Elastic Compute Cloud, Operating Systems, Data Validation
Intermediate · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Hospitality Management, Hotels and Accommodations, Hotel Operations, Marketing Channel, Revenue Management, Direct Selling, Direct Marketing, Travel Arrangements, Booking (Sales), E-Commerce, Online Advertising, Growth Strategies, Strategic Partnership, Branding, Marketing Strategies, Web Design and Development, Content Optimization
Mixed · Course · 1 - 4 Weeks