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: Information Architecture, Technical Documentation, Software Documentation, Auditing, Document Control, Document Management, User Centered Design, Scalability, Content Strategy, Content Management, Data Quality, Content Development and Management, Data Governance
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Penetration Testing, Security Testing, Cyber Security Assessment, Cyber Threat Hunting, Threat Detection, Cryptographic Protocols, Cybersecurity, Cyber Threat Intelligence, Cryptography, Exploit development, Open Web Application Security Project (OWASP), Cyber Security Strategy, Cyber Attacks, Application Security, Security Awareness, Security Controls, Data Security, Cyber Risk, Security Strategy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Shiny (R Package), Cloud Deployment, Interactive Data Visualization, Application Deployment, Performance Tuning, Data Visualization Software, Web Applications, Application Development, R Programming, Dashboard, Exploratory Data Analysis, User Interface (UI), User Interface (UI) Design, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Data Import/Export, Extract, Transform, Load, Big Data, Data Pipelines, Data Processing, Data Migration, SQL, Analytics, Data Manipulation, MySQL, Data Quality, Scalability, Data Security, Scheduling
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Collaborative Software, Scalability, Brand Awareness, Branding, Brand Strategy, Standard Operating Procedure, Document Management, Information Architecture, Technical Documentation, Team Management, Workflow Management, Layout Design, Visual Design, User Accounts, Operational Efficiency
Intermediate · Course · 1 - 4 Weeks

Workday
Skills you'll gain: Workday (Software), No-Code Development, Branding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Model Deployment, Generative AI, Serverless Computing, Cloud Deployment, Application Deployment, Containerization, Performance Tuning, Machine Learning Methods, Scalability
Beginner · Course · 1 - 4 Weeks
University of California San Diego
Skills you'll gain: Design Research, Interaction Design, User Experience Design, Statistical Analysis, Usability, Ideation, User Research, Graphic and Visual Design, User Interface (UI) Design, Experimentation, Prototyping, Usability Testing, Human Centered Design, Human Computer Interaction, A/B Testing, Human Factors, Collaborative Software, Telecommuting, R Programming, Storyboarding
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Keyword Research, Canva (Software), Search Engine Optimization, Social Media Management, Brand Strategy, Content Marketing, Web Analytics and SEO, Marketing Effectiveness, Copywriting, Social Media, Social Media Content, Social Media Marketing, Branding, Campaign Management, Content Strategy, Brand Awareness, Paid media, Email Automation, Key Performance Indicators (KPIs), Communication
Beginner · Specialization · 3 - 6 Months

The University of Edinburgh
Skills you'll gain: Simulation and Simulation Software, Bioinformatics, Biotechnology, Mathematical Modeling, Life Sciences, Biology, R Programming, Data Collection, Quantitative Research
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Redis, Data Persistence, Data Store, Performance Tuning, Transaction Processing, Operational Databases, Server Administration, Scalability, Scripting, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: International Finance, Derivatives, Financial Systems, Balance Sheet, Financial Market, Payment Systems, Banking, Capital Markets, Economics, Market Liquidity, Financial Regulation, Finance, Market Dynamics
Mixed · Course · 3 - 6 Months