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.

Board Infinity
Skills you'll gain: Restful API, Secure Coding, Application Deployment, Web Development, API Design, Full-Stack Web Development, Security Controls, Scripting Languages, Cloud API, Software Documentation, Software Installation, Data Validation
★ 4.2 (201) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Record Keeping, Document Management, Accounting Records, Records Management, File Management, Compliance Management, Regulatory Compliance, Document Control, Regulatory Requirements, Regulation and Legal Compliance, Auditing, Financial Regulations, Data Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Access, Object Oriented Design, Relational Databases, Object Oriented Programming (OOP), Database Software, JUnit, Data Integrity, SQL, Database Development, Java, Java Programming, Database Management, Databases
★ 4.6 (39) · Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Governance, Data Ethics, Data Governance, AI Security, Artificial Intelligence, Law, Regulation, and Compliance, Policy Analysis, Research, and Development, Regulatory Compliance, General Data Protection Regulation (GDPR), Environmental Policy, Business Ethics, Information Privacy, Intellectual Property, Generative AI, Information Technology, Professionalism, Automation, Risk Management Framework, Social Justice, Auditing
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Inference, Statistical Reporting, R (Software), Statistical Methods, Statistics, R Programming, Statistical Software, Statistical Analysis, Probability & Statistics, Statistical Programming, Data Analysis, Sampling (Statistics), Probability Distribution, Software Installation
★ 4.8 (2.8K) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Cyber Security Policies, Information Systems Security, Human Factors (Security), Computer Security, Network Security, Cybersecurity, Security Awareness, Vulnerability, Threat Modeling, Policy Analysis, Political Sciences, Security Controls, Public Policies, Public Safety and National Security, Safety and Security, Human Factors, Authentications, Data Integrity, Usability, Software Testing
★ 4.8 (172) · Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Journalism, Research, Investigation, Media and Communications, digital literacy, Writing, Interviewing Skills, Data Security, Report Writing, Community Outreach, Public Affairs, Cybersecurity, Storytelling, Ethical Standards And Conduct, Fraud detection, Diversity Awareness, Editing
★ 4.9 (669) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Brand Strategy, Brand Marketing, Campaign Planning, Professional Networking, Brand Management, Branding, Storytelling, Mentorship, Communication Planning, Strategic Communication, Personal Attributes, Web Presence, Professional Development, LinkedIn, Overcoming Obstacles, Self-Awareness, Personal Integrity, Relationship Building, Recognizing Others, Personal Development
Beginner · Course · 1 - 3 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
★ 4.6 (923) · Intermediate · Specialization · 3 - 6 Months

New York University
Skills you'll gain: Authentications, Public Key Infrastructure, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Cryptography, Data Encryption Standard, Computer Security, Cybersecurity, Network Security, Security Controls, Cyber Attacks, Encryption, Key Management, Multi-Factor Authentication, Single Sign-On (SSO)
★ 4.7 (712) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Threat Management, Threat Detection, Security Requirements Analysis, Infrastructure Security, Software-Defined Networking, Security Architecture Review, Network Performance Management, Network Architecture, Network Planning And Design, Cloud-Based Integration, Network Administration, Cloud Solutions, Network Routing, Security Strategy, Wide Area Networks, Network Security, Network Monitoring, Local Area Networks, Virtual Networking, Security Controls
Beginner · Specialization · 1 - 3 Months

Columbia University
Skills you'll gain: Project Schedules, Production Schedule, Project Risk Management, Scheduling, Risk Management, Construction Management, Timelines, Lean Methodologies, Construction, Production Planning, Project Estimation, Diagram Design, Project Management Software, Dependency Analysis, Probability & Statistics
★ 4.8 (2.3K) · Beginner · Course · 3 - 6 Months