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.

Google - Spectrum Sharing
Skills you'll gain: Public Key Infrastructure, Wireless Networks, Technical Communication, Communication Systems, Network Infrastructure, Global Positioning Systems, System Configuration, Record Keeping, Verification And Validation, Technical Services, Data Entry, Data Validation
Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Intellectual Property, Cyber Attacks, Data Security, Safety and Security, Cybersecurity, Computer Security Awareness Training, Research, Information Systems Security, Content Creation, Security Strategy, digital literacy, Media and Communications, Storytelling, Productivity, Digital Communications, Interpersonal Communications, Empathy & Emotional Intelligence, Personal Development, Self-Awareness, Telecommuting
Beginner · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Biostatistics, Statistical Analysis, R (Software), R Programming, Statistical Methods, Data Wrangling, Regression Analysis, Exploratory Data Analysis, Time Series Analysis and Forecasting, Logistic Regression, Probability & Statistics, Descriptive Statistics, Model Evaluation, Public Health
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Distributed Computing, Algorithms, Functional Design, Scalability, Java Programming, Other Programming Languages, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Scripting, Vulnerability Assessments, Brute-force attacks, General Networking, Python Programming, Web Applications, Cybersecurity, Data Ethics, Firewall, Network Security, Wireless Networks, System Configuration
Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Session Initiation Protocols, Android Studio, Android Development, Internet Of Things, Communication Systems, Network Protocols, Telecommunications, Wireless Networks, Mobile Development, Application Development, Embedded Systems, Open Source Technology
Mixed · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Model Context Protocol, AI Security, Threat Modeling, AI Workflows, Secure Coding, LLM Application, Enterprise Architecture, Generative AI Agents, Security Controls, Interoperability, Agentic systems, Generative AI
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Systems Architecture, Embedded Software, Software Design, System Design and Implementation, Embedded Systems, System Programming, Software Systems, Electronic Systems, Systems Design, Hardware Architecture, Software Architecture, Requirements Analysis, Real Time Data, Linux, Service Level, OS Process Management, System Requirements, Debugging, Algorithms
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

28DIGITAL
Skills you'll gain: Technical Standard, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Case Law, Medical Privacy, Court Systems, Telecommunications, Law, Regulation, and Compliance, Legal Research, Data Ethics, IT Security Architecture, Technology Roadmaps, European History, International Relations, Interoperability, Data Governance, Cybersecurity, Data Security, Emerging Technologies
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Blockchain, FinTech, Cryptography, Design, Emerging Technologies, Stakeholder Analysis, Distributed Computing, Digital Assets, Data Integrity, Financial Services, Public Key Cryptography Standards (PKCS)
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Audit Working Papers, Financial Auditing, Document Management, Auditing, Accounting Records, Compliance Auditing, Document Control, External Auditing, File Management, Organizational Skills, Standard Operating Procedure, Quality Control
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Social Media Content, Content Creation, Social Media, Social Media Marketing, Driving engagement, Account Strategy, Growth Strategies, Brand Awareness, Digital Design
Beginner · Guided Project · Less Than 2 Hours