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.

John Wiley & Sons
Skills you'll gain: Investment Banking, Financial Modeling, Mergers & Acquisitions, Financial Statement Analysis, Financial Statements, Financial Data, Private Equity, Capital Markets, Financial Analysis, Finance, Bidding, Equities, Business Valuation, Transaction Processing, Loans, Financial Market, Financial Forecasting, Corporate Finance, Cash Flows, Dealing With Ambiguity
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Value Propositions, Strategic Thinking, Target Market, Strategic Decision-Making, Product Marketing, Go To Market Strategy, Strategic Marketing, Data-Driven Marketing, Marketing Planning, Content Performance Analysis, Content Marketing, Competitive Analysis, Marketing Strategy and Techniques, Brand Strategy, Product Strategy, Constructive Feedback, Campaign Planning, Content Strategy, Copywriting, Target Audience
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Open Shortest Path First (OSPF), Network Routers, Communication Systems, Telecommunications, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Switches, General Networking, Virtual Networking, Network Performance Management, Computer Networking, Network Architecture
★ 4.6 (3.4K) · Intermediate · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Tableau Software, Data Storytelling, Data Cleansing, Data Visualization Software, Data Wrangling, Dashboard, Dashboard Creation, Data Presentation, Data Visualization, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Modeling, Statistical Visualization, Data Preprocessing, Power BI, Plot (Graphics), Data Analysis, SQL, Python Programming
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Emerging Technologies, Internet Of Things, Network Security, Wireless Networks, Mobile Security, Cybersecurity, Telecommunications, Vulnerability Assessments
★ 4.8 (23) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Risk Analysis, Cybersecurity, Risk Management, Cyber Attacks, Cryptographic Protocols, Cyber Security Assessment, Vulnerability Assessments, Encryption, Network Security, Data Security, Cryptography, Security Awareness, Information Assurance, Public Key Infrastructure, Authentications, Data Integrity, Network Protocols
★ 4.7 (1.1K) · Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Advocacy, Newsletters, Risk Management, Lobbying, Talent Management, Governance, Non-Profit Accounting, Event Planning, Fundraising, Fundraising and Crowdsourcing, Event Management, Leadership Development, Risk Mitigation, Diversity and Inclusion, Leadership and Management, Public Relations, Grant Writing, Customer Relationship Management, Strategic Leadership, Leadership
Beginner · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Payment Systems, FinTech, Public Key Cryptography Standards (PKCS), Key Management, Application Security, Digital Assets, Network Protocols, Transaction Processing, Distributed Computing, Emerging Technologies, Scripting, Application Specific Integrated Circuits, Data Structures, Financial Policy, Financial Regulation, Market Dynamics
★ 4.6 (3.1K) · Mixed · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Risk Modeling, Estimation, Risk Management, Analysis, Decision Making, Risk Analysis, Statistics, Data-Driven Decision-Making, Forecasting, Strategic Decision-Making, Probability, Quantitative Research, Statistical Modeling, Data Collection, Data Analysis, Probability Distribution, Predictive Modeling, Strategic Prioritization, Simulation and Simulation Software, Statistical Methods
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Node.JS, Restful API, Database Design, Front-End Web Development, React Redux, Ajax, Database Development, Database Application, Server Side, Back-End Web Development, NoSQL, Javascript, Full-Stack Web Development, React.js, Performance Tuning, API Design, Data Structures, MongoDB, Debugging, JavaScript Frameworks
★ 4.4 (1.5K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Nginx, API Gateway, Kubernetes, Linux Administration, Proxy Servers, Web Servers, Cloud-Native Computing, Performance Tuning, Network Routing, Load Balancing, Linux Commands, Infrastructure Security, Security Controls, Network Troubleshooting, Public Key Infrastructure, Network Security, Role-Based Access Control (RBAC), DevOps, System Configuration, Computer Networking
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Engineering Drawings, Architectural Drawing, Computer-Aided Design, Drafting and Engineering Design, Engineering Documentation, Technical Documentation, Plot (Graphics), Data Sharing, File Management, Scalability, Cloud Storage, Design Elements And Principles
Intermediate · Course · 1 - 3 Months