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.

Duke University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Inference, Statistical Reporting, R (Software), Statistical Methods, Statistics, R Programming, Statistical Analysis, Probability & Statistics, Data Analysis, Sampling (Statistics), Probability Distribution, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Management, Databases, Relational Databases, Database Architecture and Administration, Data Security, User Accounts, Secure Coding, SQL, Application Security, Vulnerability Scanning, NoSQL, Role-Based Access Control (RBAC), Encryption, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Technical Sales, Sales, Sales Pipelines, Sales Strategy, Sales Process, AI Personalization, Customer Relationship Management (CRM) Software, Meeting Facilitation, Marketing Automation, Discussion Facilitation, Customer Analysis, Virtual Teams, Stakeholder Analysis, Influencing, Consultative Approaches, Account Strategy, Customer Relationship Management, Performance Analysis, Continuous Improvement Process, Customer Success Management
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Network Performance Management, Software-Defined Networking, Network Administration, Network Routing, Wide Area Networks, Network Monitoring, Disaster Recovery, Virtual Networking, Performance Tuning, General Networking, Network Engineering, Network Planning And Design, Network Troubleshooting, Network Security, Cyber Security Assessment, Vulnerability Scanning, Continuous Monitoring, Security Management, Patch Management, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management Framework, Cyber Risk, Federal Information Security Management Act, NIST 800-53, Systems Development Life Cycle, Cybersecurity, Continuous Monitoring, Security Management, Cyber Governance, Risk Management, Security Controls, Infrastructure Security, Cyber Security Assessment, Incident Response, Vulnerability Assessments, Authorization (Computing), Security Requirements Analysis, Cyber Security Policies, Information Assurance, Information Systems Security
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Brute-force attacks, Vulnerability Assessments, Information Systems Security, Data Persistence
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Strategy, Strategic Decision-Making, Governance, Financial Services, Financial Regulation, Ledgers (Accounting), Work Breakdown Structure, Project Implementation, Business Modeling, Banking Services, Financial Systems, Project Design, Solution Design, Cryptography, Design, Emerging Technologies, Payment Systems
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Regression Analysis, R (Software), Data Analysis Software, Statistical Analysis, R Programming, Statistical Modeling, Statistical Inference, Correlation Analysis, Model Evaluation, Exploratory Data Analysis, Mathematical Modeling, Statistics, Predictive Modeling, Probability & Statistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Promotional Strategies, Marketing Planning, Adobe Express, Marketing Strategy and Techniques, Social Media Content, Cross-Channel Marketing, Content Marketing, Target Audience, Social Media, Digital Marketing, Marketing Analytics, Data Ethics, Marketing Strategies, Social Media Marketing, Content Strategy, Brand Marketing, Market Research, Graphic and Visual Design, Generative AI, Performance Analysis
Beginner · Specialization · 1 - 3 Months

Columbia University
Skills you'll gain: Portfolio Management, Derivatives, Financial Market, Securities (Finance), Investment Management, Portfolio Risk, Asset Management, Credit Risk, Mortgage Loans, Mathematical Modeling, Applied Mathematics, Capital Markets, Financial Modeling, Risk Modeling, Regression Analysis, Market Liquidity, Futures Exchange, Risk Management, Equities, Actuarial Science
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Malware Protection, Threat Modeling, Security Engineering, Network Security, Firewall, Digital Forensics, Code Review, Network Routing, Proxy Servers, Linux, Internet Of Things, Servers
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Digital pedagogy, Grammar, English Language, Language Learning, Oral Comprehension, Vocabulary, Requirements Analysis
Intermediate · Course · 1 - 3 Months