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.

Packt
Skills you'll gain: Kubernetes, YAML, Docker (Software), Application Deployment, Containerization, Node.JS, Development Environment, Cloud Computing Architecture, Servers, Command-Line Interface, Scalability, System Monitoring
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Salesforce, Salesforce Development, Application Deployment, Dashboard, Cloud Deployment, Customer Relationship Management, Change Control, Analytics, Continuous Deployment, Data Import/Export, Authentications, Customer Relationship Management (CRM) Software, Data Migration, Configuration Management, Data Presentation, Data Access, Responsive Web Design, System Configuration, Data Management, Business Logic
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cryptography, Encryption, Secure Coding, Brute-force attacks, Cyber Security Assessment, File Management, Python Programming, Programming Principles, Algorithms, Debugging, Scripting, Data Structures, Software Testing, User Interface (UI), Statistical Programming, File I/O, UI Components, Application Development
Beginner · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Authentications, Identity and Access Management, User Provisioning, Microsoft Azure, Multi-Factor Authentication, Authorization (Computing), Single Sign-On (SSO), User Accounts, Security Controls, Proxy Servers
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Red Hat Enterprise Linux, Command-Line Interface, Linux Administration, User Accounts, Linux, Operating System Administration, Software Installation, System Configuration, Systems Administration, Security Controls, File Management, System Monitoring, User Interface (UI)
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Professional Development, Human Resources, Human Resource Strategy, People Development, Organizational Change, Leadership Development, Human Capital, Organizational Development, Professional Networking, Workforce Development, Lifelong Learning, Innovation, Case Studies, Change Management, Time Management, Learning Strategies, Emerging Technologies, Branding
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Data Persistence, Event-Driven Programming, HTML and CSS, Web Applications, Front-End Web Development, Semantic Web, Javascript, Web Content Accessibility Guidelines, Data Storage Technologies, Application Security, User Interface (UI), Data Validation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: PyTorch (Machine Learning Library), Transfer Learning, Convolutional Neural Networks, Digital Signal Processing, Image Analysis, Classification Algorithms, Model Evaluation, Deep Learning, Computer Vision, Telecommunications
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Query Languages, Data Analysis, Software Installation, Performance Tuning, Distributed Computing, Scalability, Data Modeling, Cloud Deployment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Social Media, Social Media Management, Social Media Marketing, Advertising, Target Audience, Social Media Content, Facebook, Social Media Campaigns, Social Media Strategy, Online Advertising
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Instagram, Social Media Content, Social Media, Content Creation, Advertising, Graphic Design, Design, Social Media Marketing, Social Media Campaigns, Video Production, Social Justice
Beginner · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Virtualization, Virtual Machines, Virtual Networking, Hyper-V, VMware ESX Servers, Cloud Infrastructure, Data Storage Technologies, Networking Hardware, IT Infrastructure, Data Centers, Desktop Support, Endpoint Security, Computer Hardware
Intermediate · Course · 1 - 3 Months