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: Canva (Software), Logo Design, Video Production, Graphic and Visual Design Software, Graphic and Visual Design, Content Creation, Graphic Design, Creative Design, Content Marketing, Social Media Marketing, Social Media, Digital Marketing
★ 4.5 (17) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Medical Billing, Medical Billing and Coding, Claims Processing, Revenue Cycle Management, Medical Office Procedures, Clinical Documentation, Medical Coding, Billing & Invoicing, CPT Coding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Threat Modeling, MITRE ATT&CK Framework, Threat Detection, Threat Management, Intelligence Collection and Analysis, Report Writing, Technical Communication, Cyber Security Strategy, Cybersecurity, Research Reports, Data Storytelling, Oral Expression, Verbal Communication Skills, Incident Response, Risk Analysis, Communication, Infrastructure Security, Analysis, Stakeholder Communications
Intermediate · Course · 1 - 3 Months

Splunk Inc.
Skills you'll gain: Splunk, Data Transformation, Data Manipulation, Data Wrangling, Statistical Analysis, Data Processing, Data Synthesis, Time Series Analysis and Forecasting, Data Analysis, Big Data, Data Science, Business Analytics, Data Visualization
★ 4.7 (54) · Beginner · Course · 1 - 3 Months

Genentech
Skills you'll gain: Clinical Data Management, Clinical Trials, Clinical Research, Interactive Data Visualization, Case Report Forms, Drug Development, Data Presentation, R (Software), Pharmaceuticals, Data Visualization, Statistical Reporting, Dashboard, Data Modeling, R Programming, Data Manipulation, Statistical Programming, Data Science, Statistical Analysis, Data Preprocessing
★ 4.5 (17) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, Computer Security Incident Management, Threat Modeling, Zero Trust Network Access, Security Management, DevSecOps, Incident Response, Threat Detection, Identity and Access Management, Application Security, Cybersecurity, Data Security, Microsoft Azure, Cyber Security Strategy, Security Strategy, IT Security Architecture, Cloud Security, Cyber Operations, Network Security
Advanced · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Mining, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Machine Learning Methods, Machine Learning Software, Applied Machine Learning, Predictive Modeling, Machine Learning, Artificial Intelligence, Machine Learning Algorithms, AI Integrations, Random Forest Algorithm, Diagnostic Tests, Clinical Experience, Responsible AI, Deep Learning, Model Evaluation, Unsupervised Learning, Health Technology, Healthcare Industry Knowledge
★ 4.7 (11) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Campaign Management, Marketing Channel, Data-Driven Marketing, Digital Advertising, Digital Marketing Campaigns, Marketing Effectiveness, Digital Marketing, Online Advertising, Marketing Analytics, Web Analytics, Cross-Channel Marketing, Performance Metric, Performance Measurement, Social Media Marketing, Data-Driven Decision-Making, Email Marketing
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Content Optimization, Web Analytics and SEO, Content Development and Management, Writing and Editing, Driving engagement, Social Media Marketing, Extensible Markup Language (XML), Frontend Performance, Digital Marketing Tools, Prioritization
★ 4.5 (15) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Linux Administration, Virtualization and Virtual Machines, Linux, Performance Tuning, Linux Servers, Virtualization, Virtual Machines, Data Storage, Data Storage Technologies, Cloud Applications, Hybrid Cloud Computing, Security Controls, Mainframe Computing, Hardware Architecture, Infrastructure Architecture, Virtual Networking, AI Integrations, Networking Hardware, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.6 (34) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Telecommunications, Internet Of Things, Data Pipelines, Natural Language Processing, Dataflow, Network Performance Management, Automation, Artificial Intelligence and Machine Learning (AI/ML), Wireless Networks, Digital Communications, Emerging Technologies, Generative AI Agents, Computer Networking, Generative AI, Network Architecture, Artificial Intelligence, Network Protocols, Responsible AI, System Design and Implementation, Communication
★ 4.4 (7) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Public Health
★ 4.9 (8) · Beginner · Course · 1 - 3 Months