CompTIA Security+ courses can help you learn network security, risk management, cryptography, and identity management. You can build skills in threat analysis, incident response, and implementing security controls to protect sensitive information. Many courses introduce tools like firewalls, intrusion detection systems, and vulnerability assessment software, showing how these tools are applied to safeguard networks and data against potential threats.

Skills you'll gain: Virtual Machines, Microsoft Azure, Infrastructure As A Service (IaaS), Cloud Infrastructure, Cloud Computing Architecture, Virtualization and Virtual Machines, Cloud Deployment, Firewall, Cloud Computing, Network Security, Virtual Networking, Web Servers, Network Administration, Remote Access Systems, Application Deployment
★ 4.5 (223) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Data Ethics, Data Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), Data Security, Data Presentation, User Centered Design, Technical Communication, Cybersecurity, Healthcare Ethics, Cyber Attacks, Usability, Statistical Reporting, Computer Security, Data Storytelling, Ethical Standards And Conduct, Medical Science and Research, Information Privacy, Analysis
★ 4.3 (131) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Responsible AI, Agentic systems, Machine Learning Algorithms, Model Training, Agentic Workflows, Decision Intelligence, Data Governance, AI Enablement, Health Systems, Health Informatics, Artificial Intelligence, Analytics, Digital Transformation, Healthcare Industry Knowledge, Human Factors (Security), Generative AI Agents, Health Technology, Health Information Management, Information Technology, Information Systems
★ 4.5 (33) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Endpoint Detection and Response, Cyber Threat Intelligence, Intrusion Detection and Prevention, Threat Detection, Cyber Attacks, Cybersecurity, Network Security, Digital Forensics, Network Monitoring, Data Security, Network Analysis, Exploitation techniques, Malware Protection, Memory Management
★ 4.8 (96) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Controls, Threat Management, Cybersecurity, Threat Detection, Zero Trust Network Access, Cyber Attacks, Authentications, Application Security, Cyber Risk, Information Systems Security, Data Security, Encryption, Multi-Factor Authentication, Cryptography, Authorization (Computing), Identity and Access Management
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microbiology, Pharmacology, Sensory Systems Analysis, Health Disparities, Drug Interaction, Pharmacotherapy, Molecular Biology, Infection Control, Infectious Diseases, Biochemistry, Psychology, Molecular, Cellular, and Microbiology, Sociology, Cultural Sensitivity, Analytical Chemistry, Immunology, Behavior Management, Biology, Decision Making, Taxonomy
★ 4.5 (17) · Intermediate · Professional Certificate · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Public Policies, Policy Development, Policty Analysis, Research, and Development, Policy Analysis, Environmental Policy, Court Systems, International Relations, Public Safety and National Security, European History, Political Sciences, Law, Regulation, and Compliance, Economics, Economics, Policy, and Social Studies, Security Strategy, Immigration Law, Economic Development, Diplomacy, Social Studies, Governance, Sustainable Development
★ 4.6 (139) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Architecture, Wireless Networks, Emerging Technologies, Network Engineering, Network Planning And Design, Network Infrastructure, Network Performance Management, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML), Distributed Computing, Technology Strategies
★ 4.4 (29) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Network Security, Metasploit, Penetration Testing, Network Administration, Software Installation, System Configuration, Cyber Security Policies, Web Applications, Authentications, Linux
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Visualization, Interactive Data Visualization, Dashboard, Forecasting, Dashboard Creation, Predictive Modeling, Data Validation, Data Entry, Data Management, Data Integrity, Data Security
★ 4.9 (35) · Mixed · Course · 1 - 3 Months

New York University
Skills you'll gain: Reinforcement Learning, Financial Trading, Financial Market, Derivatives, Market Liquidity, Market Dynamics, Markov Model, Financial Modeling, Machine Learning Methods, Financial Data, Credit Risk, General Lending, Machine Learning, Differential Equations
★ 3.8 (85) · Advanced · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Portfolio Management, Investment Management, Portfolio Risk, Asset Management, Investments, Risk Modeling, Estimation, Market Liquidity, Risk Management, Financial Market, Financial Trading, Model Optimization, Equities, Securities (Finance), Statistical Methods, Risk Analysis, Securities Trading, Market Dynamics, Sampling (Statistics), Financial Analysis
★ 4.6 (47) · Intermediate · Course · 1 - 3 Months