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.

DeepLearning.AI
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Tableau Software, Dashboard, LinkedIn, Storytelling, Dashboard Creation, Interactive Data Visualization, Professional Networking, Data Visualization Software, Report Writing, Technical Communication, Power BI, Relationship Building, Stakeholder Engagement, Interviewing Skills, Job Analysis
★ 4.8 (31) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Probability & Statistics, Statistical Software, Data Science, Statistics, Data Analysis, Statistical Programming, Statistical Analysis, Probability, Data Literacy, Statistical Visualization, Data Processing, Data Manipulation
★ 4.7 (34) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Employee Surveys, Surveys, User Feedback, Security Awareness, Business Software, Data Sharing, Email Automation, Collaborative Software, Business Technologies
★ 4.7 (43) · Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Secure Coding, Application Security, Computer Programming Tools, C and C++, C++ (Programming Language), Software Development Tools, Security Software, C (Programming Language)
★ 2.7 (23) · Mixed · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Regulatory Compliance, Agentic Workflows
★ 3.9 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploitation techniques, Penetration Testing, Cyber Attacks, Cyber Security Assessment, Cybersecurity, Event Monitoring, Vulnerability Management, Vulnerability, Continuous Monitoring, Data Security, Network Security, Analysis, Criminal Investigation and Forensics, System Monitoring, System Configuration, Network Monitoring, Bash (Scripting Language), Scripting, Linux, Python Programming
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Sales Enablement, Sales Strategy, Sales Development, Sales Operations, Lead Generation, Sales, Sales Training, Account Strategy, Sales Process, Customer Relationship Management (CRM) Software, Prospecting and Qualification, Sales Prospecting, Global Marketing, Training and Development, Data-Driven Decision-Making, Marketing Automation, Key Performance Indicators (KPIs), Personalized Campaigns, Video Production
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI, Google Cloud Platform, LLM Application, Large Language Modeling, Cloud Computing
★ 4.4 (19) · Beginner · Project · Less Than 2 Hours

University of Cape Town
Skills you'll gain: Descriptive Statistics, Statistical Software, Plot (Graphics), Statistical Analysis, Statistical Visualization, Statistical Programming, Statistical Reporting, Biostatistics, Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Deep Learning, Mathematical Software, Machine Learning
★ 4.7 (52) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Social Media Analytics, Predictive Modeling, Natural Language Processing, Predictive Analytics, Social Media, Text Mining, Cloud Computing, Unstructured Data, Analytics, Business Analytics, Data Science, Data Analysis, Trend Analysis, Geospatial Information and Technology, Machine Learning Methods, Business Intelligence, Unsupervised Learning, Internet Of Things, Deep Learning
★ 4.4 (50) · Intermediate · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Family Planning, Oncology, Radiation Therapy, Obstetrics And Gynecology, Gynecology, Patient Education and Support, Treatment Planning, Urology, Pharmacology, Epidemiology, Patient Education And Counseling
★ 4.6 (42) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Security Engineering, Interoperability, Unix, Embedded Software, Information Systems Security, OS Process Management, Embedded Systems, Operating Systems, Data Security, Memory Management, Authorization (Computing), Linux
★ 3.9 (11) · Mixed · Course · 1 - 4 Weeks