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.

Coursera
Skills you'll gain: Portfolio Risk, Investment Management, Risk Management, Financial Analysis, Financial Management, Risk Modeling, Risk Analysis, Portfolio Management, Financial Market, Investments, Statistics
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Process Analysis, Process Modeling, Business Process, Business Analysis, Process Mapping, Process Management, Process Flow Diagrams, Business Process Modeling, Business Modeling, Stakeholder Management, Stakeholder Analysis, Computer Literacy
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Google Ads, Keyword Research, Target Audience, Pay Per Click Advertising, Search Engine Marketing, Advertising Campaigns, Campaign Management, Advertising, Online Advertising, Digital Advertising, Paid media, Marketing, Digital Marketing, Return On Investment
Beginner · Guided Project · Less Than 2 Hours

Kennesaw State University
Skills you'll gain: Network Security, Incident Response, Network Administration, Vulnerability Management, Cybersecurity, Contingency Planning, Cyber Governance, Cyber Attacks, Disaster Recovery, Cyber Security Policies, Security Management, Firewall, Business Continuity Planning, Computer Security Incident Management, Network Monitoring, Incident Management, General Networking, Cyber Security Strategy, Crisis Management, Risk Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Data Analysis, Data Manipulation, Microsoft Office, Data Mining
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Role-Based Access Control (RBAC), Oracle Databases, Identity and Access Management, Performance Tuning, Data Modeling, Enterprise Modeling, Data Architecture, Data Persistence, Security Controls, Query Languages, Dashboard, Data Governance, Data Access, Business Intelligence, Performance Analysis, Analytics, Security Management, Business Logic, Data Presentation
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: IT Security Architecture, Computer Networking, Operating System Administration, Package and Software Management, Network Troubleshooting, Version Control, IT Automation, Systems Administration, IT Infrastructure, Network Administration, Information Systems Security, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, General Networking, Ruby (Programming Language), Desktop Support, Web Presence, Interviewing Skills
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Law, Regulation, and Compliance, Information Privacy, Personally Identifiable Information, General Data Protection Regulation (GDPR), Labor Compliance, Risk Management Framework, Risk Management, Legal Risk, Regulatory Compliance, Regulation and Legal Compliance, Compliance Management, Data Collection, Human Resource Policies, Data Management, Data Security, Financial Regulations, Data Import/Export, Cybersecurity, Disabilities, Financial Data
Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Secure Coding, Application Security, Mobile Security, Vulnerability Assessments, Vulnerability Management, Application Frameworks, Program Development, Risk Management Framework, Cyber Security Policies, Computer Security, Security Controls, C and C++, C# (Programming Language), Java Programming, C++ (Programming Language), PHP (Scripting Language), Python Programming, C (Programming Language), Memory Management
Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Threat Modeling, Secure Coding, Application Security, Open Web Application Security Project (OWASP), Cybersecurity, DevSecOps, Cryptographic Protocols, Security Controls, Computer Security, Cryptography, Data Access, Database Application, Encryption, Data Security, Information Assurance, Data Validation, Authorization (Computing), Data Integrity, Computer Programming, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, IT Service Management, Cloud Computing, Governance Risk Management and Compliance, Information Technology Infrastructure Library, Malware Protection, Networking Hardware, Service Management, Identity and Access Management, Linux, Linux Commands, Incident Response, Network Security, Cybersecurity, TCP/IP, Linux Administration, Network Protocols, Cloud Computing Architecture, Cloud Security, Cyber Attacks
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Personally Identifiable Information, Data Governance, Law, Regulation, and Compliance, Information Privacy, Data Management, General Data Protection Regulation (GDPR), Data Security, Labor Compliance, Legal Risk, Compliance Management, Regulation and Legal Compliance, Risk Management Framework, Information Management, Risk Management, Data Ethics, Regulatory Compliance, Court Systems, Incident Response, Legal Strategy, Cybersecurity
Beginner · Specialization · 1 - 3 Months