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.

University of California, Irvine
Skills you'll gain: Systems Development, Systems Development Life Cycle, Agile Methodology, Productivity Software, digital literacy, Network Security, Computer Hardware, Computer Systems, Data Security, Risk Management, System Design and Implementation, TCP/IP, Information Technology, Software Development Methodologies, Data Ethics, Cybersecurity, General Networking, Productivity, Safety and Security, Process Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Spring Boot, Hibernate (Java), Object Oriented Design, Spring Framework, Database Management, Computer Programming, Web Development, Authorization (Computing), Restful API, Debugging, Programming Principles
Beginner · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: Prompt Engineering, Blogs, Google Gemini, Email Automation, Email Marketing, Web Analytics and SEO, Social Media Content, Social Media Marketing, Google Ads, Copywriting, Search Engine Optimization, Digital Marketing, ChatGPT, Digital Advertising, Content Marketing, Content Creation, Keyword Research, Lead Generation, Artificial Intelligence, Brand Strategy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Social Media Content, Google Gemini, Social Media Marketing, Social Media, Drive Engagement, Social Media Strategy, ChatGPT, Marketing Automation, Content Creation, Target Audience, Content Strategy, Prompt Engineering, Copywriting, Automation, Scheduling, Search Engine Optimization, Keyword Research, Writing, Web Analytics and SEO, Competitive Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, C# (Programming Language), .NET Framework, Performance Tuning, Microsoft Visual Studio, Application Design, Application Programming Interface (API), Software Development Tools, File I/O, Authentications, Application Security, Software Testing, Unit Testing, Debugging
Beginner · Course · 3 - 6 Months

Skills you'll gain: Drive Engagement, Instagram, Community Development, Social Media Content, Content Strategy, Content Creation, Growth Strategies, Social Media Marketing, Scheduling, Social Media Strategy, Target Audience, Relationship Building, Product Promotion
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, Cloud Infrastructure, Cloud Services, Big Data, Apache Spark, Cloud Computing, Cloud Storage, Cloud Platforms, Network Architecture, Computer Networking, File Systems, Apache Hadoop, Cloud Applications, Apache Mahout, Cloud Computing Architecture, Infrastructure As A Service (IaaS), Data Storage, Middleware, Software-Defined Networking, NoSQL
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Sales Territory Management, Enterprise Sales, Cold Calling, Lead Generation, Selling Techniques, Sales Training, B2B Sales, Sales Management, Sales, AI Personalization, Responsible AI, Sales Prospecting, Sales Enablement, Consultative Selling, Generative AI Agents, Sales Pipelines, Customer Relationship Management, Business Process, Business Strategy, Customer Engagement
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AI Enablement, HR Tech, Artificial Intelligence, Ethical Standards And Conduct, Data Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Predictive Modeling, Feature Engineering, Exploratory Data Analysis, Predictive Analytics, Statistical Analysis, Data Analysis, Analytics, HR Tech, Trend Analysis, Correlation Analysis, Data-Driven Decision-Making, R Programming, Data Preprocessing, Data Cleansing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Artificial Neural Networks
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Puppet (Configuration Management Tool), IT Automation, IT Infrastructure, Amazon Web Services, Linux Administration, Systems Administration, Software Configuration Management, Operating System Administration, Cloud Deployment, Automation, Package and Software Management, CI/CD, System Configuration, Security Controls, Maintainability, Scalability, Scripting Languages
Beginner · Specialization · 1 - 3 Months