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.

EDUCBA
Skills you'll gain: Performance Tuning, Microsoft Azure, Database Administration, Scalability, Relational Databases, Database Architecture and Administration, Database Management, Data Migration, Enterprise Security, Security Controls, SQL, Cloud Deployment, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), General Networking, Linux Commands, Operating System Administration, Scripting, Unix, Scripting Languages, Network Infrastructure, Security Controls, Application Security, Servers
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Firewall, Network Security, Linux, Linux Administration, Security Controls, Hardening, Ubuntu, Linux Commands, File Management, Authorization (Computing), File Systems, System Configuration, Endpoint Security, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Business Priorities, Security Strategy, Computer Security Awareness Training, Enterprise Security, Security Awareness, Security Management, Regulatory Compliance, Business Risk Management, Compliance Management, Risk Management, Business Communication, Communication
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Email Automation, Marketing Automation, Email Marketing, Campaign Management, Data-Driven Marketing, Workflow Management, Business Process Automation, Automation, Performance Measurement, Driving engagement, Performance Analysis, Process Improvement and Optimization, Customer Engagement
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Billing, Amazon Web Services, Cost Reduction, Cost Management, Cost Estimation, Cloud Management, Cloud Storage, Cloud Services, Product Support, Technical Support, Customer Support
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Meta Ads Manager, Facebook, Bidding, Marketing, Online Advertising, Social Media Campaigns, Advertising Campaigns, Marketing Materials, Campaign Planning, Digital Advertising, Social Media Content, Campaign Management, Social Media, Social Media Marketing, Paid media, Marketing Strategies, Advertising, Target Audience, Lead Generation, A/B Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Postman API Platform, Authentications, Spring Framework, API Testing, Authorization (Computing), Restful API, Identity and Access Management, Secure Coding, Java Programming, Application Design, Spring Boot, User Accounts, Application Programming Interface (API), API Design, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Protocols, Communication Systems, Test Equipment, Internet Of Things, Digital Signal Processing, Wireless Networks, Integrated Development Environments, Debugging, Computational Logic, Digital Analysis, System Configuration, Program Development
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Management Software, Project Management, User Feedback, Procedure Development, Workflow Management, Project Documentation, Standard Operating Procedure, Process Design, Process Improvement, Operational Efficiency, Constructive Feedback, Process Improvement and Optimization, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Digital Assets, Blockchain, FinTech, Payment Systems, Financial Policy, Securities (Finance), Market Liquidity, Financial Regulations, Financial Regulation, Digital Transformation, Liquidation, Application Deployment, Technical Standard, Governance, Innovation
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Bayesian Network, Artificial Neural Networks, Machine Learning Methods, Convolutional Neural Networks, Deep Learning, Tensorflow, Model Training, Model Optimization, Machine Learning, Applied Machine Learning, Bayesian Statistics, Machine Learning Algorithms, Model Evaluation, Network Model, Network Architecture, Algorithms, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months