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.

IIT Bombay
Skills you'll gain: Internet Of Things, Network Protocols, Wireless Networks, Emerging Technologies, Data Analysis, Communication Systems, Digital Signal Processing, Scikit Learn (Machine Learning Library), Regression Analysis, Pandas (Python Package), Unsupervised Learning
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Social Media Marketing, Instagram, Business Intelligence, Predictive Modeling, Predictive Analytics, Case Studies
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Diagnostic Tests, Model Evaluation, Molecular Biology, Infectious Diseases, Informatics, Network Analysis, Medical Science and Research, Computational Thinking, Biochemistry, Data Mining, Scientific Visualization, Life Sciences, Tree Maps, Microbiology, Biology, Data Analysis Software, Pharmacology, Science and Research
Beginner · Specialization · 1 - 3 Months

Northwestern University
Skills you'll gain: Integrated Marketing Communications, Social Media Marketing, Content Marketing, Social Media, Social Media Strategy, Earned Media, Owned Media, Paid media, Facebook, Media Strategy, Content Creation, Drive Engagement, Advertising, Digital Advertising, Global Marketing, Marketing Strategies, Key Performance Indicators (KPIs), Customer Engagement, A/B Testing
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Encryption, Information Systems Security, Cybersecurity, Theoretical Computer Science, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Business Requirements, Requirements Analysis, Requirements Elicitation, Business Analysis, User Requirements Documents, Gap Analysis, Project Documentation, Functional Specification, Diagram Design, Process Analysis, Business Process Modeling, Needs Assessment
Beginner · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: Authentications, Authorization (Computing), Role-Based Access Control (RBAC), Identity and Access Management, Security Controls, User Provisioning, Data Access, Security Awareness, Multi-Factor Authentication
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Open Web Application Security Project (OWASP), Cyber Security Assessment, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Threat Modeling, Cybersecurity, Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cyber Threat Intelligence, Mobile Security, Security Testing, Brute-force attacks, Vulnerability Scanning, Network Security, Operating Systems, Encryption
Intermediate · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Microarchitecture, Computer Architecture, Computer Systems, Hardware Architecture, Computer Hardware, Data Storage, Data Storage Technologies, Systems Architecture, Computational Logic, Peripheral Devices
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Analysis, User Requirements Documents, Software Development Methodologies, Requirements Elicitation, Agile Methodology, Functional Requirement, Software Design Documents, System Requirements, Software Development Life Cycle, Verification And Validation, Technical Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Management, Data Collection, Data Governance, Data Analysis, Information Privacy, Data Quality, Data Storage, Data Security, Data-Driven Decision-Making, Data Architecture, Data Visualization Software, Big Data, Machine Learning
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Gmail, Google Docs, Google Sheets, Google Workspace, Presentations, Calendar Management, Spreadsheet Software, File Management, Excel Formulas, Version Control, Excel Macros, Document Management, Data Visualization, Meeting Facilitation, Setting Appointments, Email Security, Email Automation, Productivity Software, Productivity, Collaborative Software
Beginner · Specialization · 3 - 6 Months