Internet Security courses can help you learn about network security protocols, encryption techniques, and threat detection methods. You can build skills in risk assessment, incident response, and implementing security policies. Many courses introduce tools like firewalls, intrusion detection systems, and antivirus software, demonstrating how these tools are used to protect sensitive data and maintain system integrity.

Skills you'll gain: Keyword Research, Copywriting, Search Engine Optimization, Content Strategy, Content Optimization, Web Content, Web Analytics and SEO, Content Development and Management, Blogs, Content Management, Content Creation, Writing and Editing, Writing, Content Marketing, Editing, Driving engagement
★ 4.6 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Virtual Private Networks (VPN), Network Troubleshooting, Open Shortest Path First (OSPF), Network Engineering, Network Routing, Border Gateway Protocol, Multiprotocol Label Switching, Network Administration, Wide Area Networks, Network Protocols, Network Security, Network Monitoring, Network Performance Management, Dynamic Host Configuration Protocol (DHCP), Authentications
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: C (Programming Language), Memory Management, C and C++, Embedded Systems, Data Structures, Programming Principles, Computer Engineering, Algorithms, Computer Programming, Linux
★ 4.4 (58) · Beginner · Course · 1 - 3 Months

University of Florida
Skills you'll gain: Land Management, Sustainable Development, Sustainable Systems, Water Resource Management, Water Resources, Environment and Resource Management, Environment, Environmental Science, Natural Resource Management, Environmental Issue, Biology
★ 4.8 (43) · Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: File Systems, Digital Forensics, Microsoft Windows, File Management, Operating Systems, Data Structures, Data Validation, File I/O, Data Storage
★ 4.7 (81) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Applications, Serverless Computing, Cloud Development, Google Cloud Platform, Cloud Deployment, Cloud-Based Integration, Cloud Security, Security Controls, Identity and Access Management, Operational Databases, Event-Driven Programming, Authentications
★ 4.6 (17) · Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Civil Engineering, Construction Engineering, Land Development, Building Information Modeling, Construction, Construction Management, Capacity Management, Construction Inspection, Aerospace Basic Quality System Standards, Capacity Planning, Building Design, Building Services Engineering, Facility Management, Facility Repair And Maintenance, Landscape Architecture, Construction Estimating, Engineering Plans And Specifications, Architectural Design, Environmental Engineering, Security Strategy
★ 4.8 (15) · Intermediate · Specialization · 1 - 3 Months
Emory University
Skills you'll gain: Marketing Channel, Strategic Marketing, Cross-Channel Marketing, Marketing Strategies, Business Marketing, Direct Selling, Marketing Planning, Go To Market Strategy, Target Market, Marketing Effectiveness, Customer Analysis, Value Propositions, Wholesaling, Market Opportunities, Market Dynamics, Case Studies, E-Commerce, Revenue Management, Compensation Management, Marketing
★ 4.5 (68) · Intermediate · Specialization · 3 - 6 Months

Dartmouth College
Skills you'll gain: Digital Transformation, Predictive Modeling, Customer experience strategy (CX), Analytics, Predictive Analytics, Simulations, Simulation and Simulation Software, Advanced Analytics, Business Transformation, Scikit Learn (Machine Learning Library), Model Evaluation, Data-Driven Decision-Making, Operations Research, Internet Of Things, Model Training, Ethical Standards And Conduct, Cloud Computing, Data Ethics, Business Analytics, Process Optimization
★ 4.9 (32) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Canva (Software), Infographics, Planning, Graphic and Visual Design Software, Design, Design Software, Visual Design, Graphic Design, Graphical Tools, Graphic and Visual Design, Collaboration
★ 4.4 (37) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Risk Management Framework, Risk Mitigation, Governance Risk Management and Compliance, Legal Risk, Blockchain, IT Security Architecture, Cyber Risk, Information Technology Architecture, Governance, Application Security, Project Documentation, Technical Documentation, Regulatory Compliance, Software Documentation, Law, Regulation, and Compliance, Solution Architecture, Cyber Governance
★ 4.9 (13) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Threat Intelligence, Vulnerability Assessments, Exploitation techniques, Network Security, Network Analysis, Network Protocols
★ 4.6 (7) · Intermediate · Course · 1 - 4 Weeks