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.

University of Michigan
Skills you'll gain: C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Data Structures, Programming Principles, Algorithms, Computer Programming, Software Design, Application Security, Other Programming Languages, Python Programming, System Programming, Computer Architecture, Java, Performance Tuning, Unix, Computer Science, Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Security, Information Systems Security, Information Assurance, Security Controls, Data Integrity, Identity and Access Management, Personally Identifiable Information, Network Security, IT Security Architecture, Authentications, Cybersecurity, Authorization (Computing), Infrastructure Security, Enterprise Security, Encryption, User Accounts, Security Awareness, Safety and Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Penetration Testing, General Networking, Cyber Security Assessment, Cybersecurity, Data Ethics, Computer Networking, Vulnerability Scanning, Network Security, System Configuration, Software Installation, Virtual Machines
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Teamwork, Problem Solving, Emotional Intelligence, Collaboration, Growth Mindedness, Team Leadership, Verbal Communication Skills, Active Listening, Social Skills, Creative Thinking, Productivity, Personal Integrity, Workplace Bullying Intervention, Compliance Management, Information Privacy, Accountability, Communication, Diversity Awareness, Diversity and Inclusion, Authentications
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Responsible AI, Graph Theory, Collaborative Software, Machine Learning, Applied Machine Learning, Social Sciences, Statistical Analysis, Amazon Web Services, R Programming, Tensorflow, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Research Design, Sociology, Data Collection, LLM Application, Behavioral Economics, Analytics
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Information Privacy, General Data Protection Regulation (GDPR), Responsible AI, Personally Identifiable Information, Legal Technology, Data Security, Data Ethics, Large Language Modeling, Cybersecurity, Business Ethics, Data Governance, Prompt Engineering, Cyber Attacks, Legal Risk, Data Loss Prevention, Ethical Standards And Conduct, Generative AI, Regulatory Compliance, Risk Analysis, Governance
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Oracle Cloud, Multi-Cloud, Microsoft Azure, Cloud Computing Architecture, Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Database Architecture and Administration, Network Architecture, Virtual Private Networks (VPN), Virtual Machines, Network Security
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Cybersecurity, Cyber Threat Intelligence, Fraud detection, Email Security, Threat Detection, Jupyter, Authentications, Intrusion Detection and Prevention, Machine Learning Algorithms, Artificial Intelligence, Multi-Factor Authentication, Anomaly Detection, Natural Language Processing, Machine Learning, Deep Learning, Supervised Learning
Intermediate · Course · 1 - 4 Weeks

New York Institute of Finance
Skills you'll gain: Risk Management, Business Risk Management, Risk Modeling, Operational Risk, Enterprise Risk Management (ERM), Credit Risk, Risk Analysis, Portfolio Management, Capital Markets, Financial Market, Investment Management, Finance, Financial Regulation, Financial Modeling, Market Liquidity, Probability Distribution
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: R Programming, R (Software), Statistical Analysis, Statistical Methods, Statistical Modeling, Data Analysis, Probability & Statistics, Regression Analysis, Research Design, Graph Theory
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Content Creation, Social Media Strategy, Search Engine Optimization, Content Marketing, Social Media, Web Analytics and SEO, Content Strategy, Social Media Marketing, Digital Media Strategy, Keyword Research, Search Engine Marketing, Target Audience, Brand Awareness, Influencing, Relationship Building
Intermediate · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Package and Software Management, Linux, Command-Line Interface, File Systems, Unix Commands, Linux Administration, Linux Commands, User Accounts, Operating System Administration, System Configuration, System Monitoring, Operating Systems, Network Monitoring, Graphical Tools
Beginner · Course · 1 - 3 Months