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.

Duke University
Skills you'll gain: Blockchain, Payment Systems, Cyber Risk, FinTech, Operational Risk, Scalability, Regulatory Compliance, Risk Management, Financial Regulation, Legal Risk, Financial Regulations, Risk Analysis, Application Security, Vulnerability Assessments, Exploitation techniques, Financial Industry Regulatory Authorities, Regulatory Requirements, Asset Protection, Governance, Key Management
★ 4.9 (353) · Intermediate · Course · 1 - 3 Months

Digital Marketing Institute
Skills you'll gain: Content Scheduling, Digital Media Strategy, Social Media Marketing, Content Marketing, Digital Marketing, Marketing, Digital Marketing Campaigns, Social Media Content, Social Media, Content Creation, Digital Content, Social Media Strategy, Cross-Channel Marketing, Digital Marketing Tools, Integrated Marketing Communications, Consumer Behaviour, Digital Transformation, Content Strategy, Customer Engagement
★ 4.7 (413) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Threat Modeling, Cybersecurity, Cryptography, Mobile Security, Cryptographic Protocols, Security Testing, Vulnerability Scanning, Cyber Security Assessment, Application Security, Operating System Administration, Network Security, Operating Systems, Encryption, Hardening
★ 4 (20) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Cloud Storage, Version Control, Encryption, Data Storage, Cloud Security
★ 4.5 (1.3K) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Automation, Test Tools, Continuous Integration, CI/CD, AI Orchestration, AI Integrations, Software Quality Assurance, Maintainability, Quality Assurance, Automation, Verification And Validation, User Interface (UI), Natural Language Processing, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Content Scheduling, Online Advertising, Facebook, Marketing Analytics, Content Performance Analysis, Advertising, Digital Advertising, Marketing Effectiveness, Social Media Content, Drive Engagement, Driving engagement, Content Development and Management, Social Media Marketing, Shared Media, Social Media Campaigns, Digital Publishing, Social Media, Target Audience, Social Media Management, Customer Engagement
★ 4.6 (276) · Mixed · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Failure Analysis, Systems Engineering, Engineering Management, Requirements Management, Scope Management, Design Reviews, Change Control, Root Cause Analysis, Program Management, Requirements Analysis, User Requirements Documents, Test Engineering, Cost Management, Contract Management, Risk Analysis, Systems Design, Systems Thinking, Project Risk Management, Risk Management
★ 4.8 (167) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Social Media Analytics, Data Visualization, Graph Theory, Statistical Visualization, Relational Databases, Data Presentation, Data Visualization Software, R (Software), Data Storytelling, Data Analysis, Network Model, Database Theory, Social Sciences, Statistical Analysis, Machine Learning, Machine Learning Methods, Diagram Design, Data Manipulation
★ 4.3 (19) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Information Privacy, General Data Protection Regulation (GDPR), AI Security, Responsible AI, Personally Identifiable Information, Legal Technology, Data Security, Data Ethics, Large Language Modeling, LLM Application, Business Ethics, Data Governance, ChatGPT, AI literacy, Prompt Engineering, Generative AI, Regulatory Compliance, Cybersecurity, Risk Analysis, Governance
★ 4.5 (120) · Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Cybersecurity, Cyber Attacks, Threat Management, Security Controls, Threat Detection, Cyber Security Policies, Security Awareness, Computer Security Awareness Training, Cyber Risk, Cyber Security Assessment, Data Security, Enterprise Security, Information Assurance, Data Integrity
★ 4.8 (63) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, Computer Hardware, Hardware Architecture, Internet Of Things, Hardware Troubleshooting, System Programming, System Software, Peripheral Devices, System Configuration, C (Programming Language), Software Architecture, Simulations, Development Environment, Debugging, Systems Integration
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Cyber Security Policies, Cybersecurity, Incident Response, Cyber Attacks, Computer Security Awareness Training, Computer Security Incident Management, Security Awareness, Cyber Risk, Remote Access Systems, Cyber Governance, Telecommuting, Endpoint Security, Mobile Security, Security Controls, Malware Protection, Human Factors (Security), Identity and Access Management
Beginner · Course · 1 - 3 Months