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.

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Model Evaluation, Incident Response, Threat Detection, Computer Security Incident Management, Cyber Threat Intelligence, Distributed Denial-Of-Service (DDoS) Attacks, Event Monitoring, Cybersecurity, Incident Management, Cyber Security Strategy, Threat Management, Model Training, Anomaly Detection, Continuous Monitoring, Cyber Security Policies, Security Management, System Monitoring, Network Analysis, Data Analysis
★ 4.8 (9) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Load Balancing, ASP.NET, Test Driven Development (TDD), Debugging, C# (Programming Language), Software Testing, Scalability, Performance Testing, Restful API, Unit Testing, Web Development, Microservices, .NET Framework, Object-Relational Mapping, Software Architecture, Web Applications, Test Engineering, Object Oriented Design, Cloud Deployment, Distributed Computing
★ 4.7 (245) · Intermediate · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Process Driven Development, Software Quality Assurance, Process Management, Software Development, Embedded Software, Verification And Validation, Software Engineering, Software Development Life Cycle, Software Development Methodologies, Quality Assurance, Systems Engineering, Configuration Management, Requirements Analysis, Change Requests, Process Modeling, Quality Control
★ 4.4 (74) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, NIST 800-53, Incident Management, Security Management, Digital Forensics, Security Controls, Disaster Recovery, Authorization (Computing), Continuous Monitoring, Change Control, Cybersecurity, Threat Management, Event Monitoring, Risk Management, System Monitoring, Cyber Risk, Cyber Security Policies, Vulnerability Assessments, Configuration Management, System Implementation
★ 4.7 (49) · Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Responsible AI, AI powered creativity, Risking, Data Ethics, AI literacy, Generative AI, AI Security, Art History, Artificial Intelligence, Creativity, Image Analysis, Ethical Standards And Conduct, Innovation, Risk Management Framework, Environmental Issue, Problem Solving, Analysis, Experimentation, Leadership, Collaboration
★ 4.5 (141) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Security Strategy
★ 4.3 (6) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Email Marketing, Social Media Marketing, Point of Sale, Customer Relationship Building, Conversion Funnel Analysis, Brand Loyalty, Driving engagement, Customer Retention, Order Delivery, Social Media Management, Social Media Analytics, Drive Engagement, Social Media Content, Target Market, Customer Relationship Management, Customer Engagement, Digital Media Strategy, E-Commerce, Digital Marketing, Business Marketing
★ 4.9 (64) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Snowflake Schema, Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Architecture and Administration, Database Management, Data Modeling, Data Transformation, Data Import/Export, Cloud Computing Architecture, Data Integration, Cloud-Based Integration, Role-Based Access Control (RBAC), Data Governance, Data Security
★ 3 (30) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LLM Application, Prompt Engineering, Penetration Testing, Vulnerability Assessments, Security Testing, Large Language Modeling, Vulnerability Management, Risking, AI Security, Application Security
★ 4.8 (62) · Beginner · Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Cryptography, Data Encryption Standard, Encryption, Advanced Encryption Standard (AES), Cryptographic Protocols, Application Security, Key Management, Public Key Cryptography Standards (PKCS), Secure Coding, Web Development, Email Security, PHP (Scripting Language), Authentications, Intrusion Detection and Prevention, Data Integrity, Algorithms, Command-Line Interface
★ 4.5 (101) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File Management, Version Control, Document Management, Data Sharing, Collaborative Software, Cloud Storage, Data Storage, Data Loss Prevention
★ 4.6 (94) · Beginner · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Microsoft Azure, Application Security, Cloud Security, IT Security Architecture, Infrastructure Security, Kubernetes, Network Security, Security Engineering, Security Controls, Firewall, Endpoint Security, Identity and Access Management, Security Strategy, Cyber Security Strategy, Infrastructure As A Service (IaaS), Authorization (Computing), Role-Based Access Control (RBAC), Cloud Services, Network Administration, Virtual Machines
★ 4.6 (26) · Intermediate · Course · 1 - 4 Weeks