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.

Skills you'll gain: Application Security, Information Management, Security Controls, Configuration Management, Threat Management, Secure Coding, Vulnerability Assessments, System Configuration, Asset Management, Cloud Security, Patch Management, Cloud Management, Software Development Life Cycle, Asset Protection, Cloud Computing, Change Control, Encryption
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Accounting Software, Data Validation, QuickBooks (Accounting Software), Expense Management, Accounting Records, Expense Reports, Bookkeeping, Data Entry, Financial Reporting, Productivity Software, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, OpenAI API, Education Software and Technology, AI Integrations, OpenAI, Scripting, Python Programming, Application Programming Interface (API), Application Development, Machine Learning, Software Engineering
★ 4.4 (75) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Exploit development, Vulnerability Scanning, Malware Protection, Exploitation techniques, Database Management, Cyber Security Assessment, Security Testing, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Operations, Vulnerability Assessments, Brute-force attacks, Cryptography, Cybersecurity, Intrusion Detection and Prevention, Linux, Linux Administration
★ 4.8 (92) · Beginner · Specialization · 3 - 6 Months

Universidad de Palermo
Skills you'll gain: E-Commerce, Branding, Entrepreneurship, Web Presence, Sales, Social Media, Business Development, Retail Management, Social Media Marketing, Logistics Management, Payment Systems, Web Design and Development, Logistics, User Experience, Inventory Management, Market Trend
★ 4.8 (185) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Database Design, Software Design, User Experience Design, Database Theory, Usability, UI/UX Research, Usability Testing, User Interface and User Experience (UI/UX) Design, Relational Databases, Software Visualization, Software Architecture, Software Design Patterns, User Interface (UI) Design, Application Security, Design Strategies, Security Software, Servers, Operating Systems
★ 4.7 (135) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, Network Routers, Network Routing, Network Security, Remote Access Systems, Network Administration, Network Protocols, Network Infrastructure, Network Troubleshooting, Network Switches, System Configuration
★ 4.8 (9) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Architecture, Data Management, Data Infrastructure, Data Storage, Cloud Storage, Database Management, Data Warehousing, Data Storage Technologies, Data Access, Metadata Management, NoSQL, Star Schema, Data Quality, Google Cloud Platform, Query Languages, Data Integration, Data Processing, Application Programming Interface (API)
★ 4.1 (41) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Conversion Funnel Analysis, Data Preprocessing, Apache Airflow, Star Schema, Data Storytelling, Extract, Transform, Load, Data Transformation, SQL, Data Pipelines, JSON, Apache Kafka, Data Warehousing, Data Modeling, Pandas (Python Package), Business Intelligence, Data Validation, Data Quality, Performance Improvement, Python Programming
Intermediate · Specialization · 3 - 6 Months
CertNexus
Skills you'll gain: Data Ethics, Responsible AI, Accountability Frameworks, Risk Control, Accountability, Risk Management, Risk Analysis, Business Risk Management, Information Privacy, Risk Management Framework, Risk Mitigation, Personally Identifiable Information, Safety Assurance, Safety and Security, Safety Standards, Ethical Standards And Conduct, Artificial Intelligence, Diversity and Inclusion
★ 4.5 (101) · Beginner · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Security Awareness, Data Security, Personally Identifiable Information, Cyber Risk, Malware Protection, Cryptography, General Data Protection Regulation (GDPR), Exploitation techniques, Information Privacy, Human Factors (Security), Multi-Factor Authentication, Authentications
★ 4.8 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Responsible AI, No-Code Development, Business Metrics, Data Ethics, AI Personalization, AI Integrations, Return On Investment, Application Deployment, Customer experience improvement, Language Interpretation, Translation, and Studies, Performance Measurement, Product Improvement, Key Performance Indicators (KPIs), Cross Platform Development, Continuous Improvement Process, User Feedback, Customer Engagement, Systems Integration, System Design and Implementation
Beginner · Course · 1 - 4 Weeks