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.

Skills you'll gain: Digital Marketing, Pay Per Click Advertising, Digital Marketing Campaigns, Online Advertising, Digital Advertising, Search Engine Optimization, Social Media Marketing, Social Media Campaigns, Marketing Effectiveness, Digital Analysis, Data-Driven Marketing, Social Media, Search Engine Marketing, Performance marketing, Marketing Strategies, Social Media Strategy, Return On Investment, Web Analytics and SEO, Paid media, Cross-Channel Marketing
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Model Deployment, Generative AI, Large Language Modeling, Generative Model Architectures, PyTorch (Machine Learning Library), Fine-tuning, Application Deployment, Model Optimization, Deep Learning, MLOps (Machine Learning Operations), Cloud Deployment, Vision Transformer (ViT), Transfer Learning, Token Optimization, LLM Application, Hugging Face, Convolutional Neural Networks, Containerization, Model Training, Computer Vision
Intermediate · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Application Security, Security Testing, Vulnerability Scanning, Cyber Security Assessment, Brute-force attacks, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Memory Management, Amazon Web Services, SQL, Amazon Elastic Compute Cloud, Operating Systems, Data Validation
★ 4 (279) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Vulnerability Assessments, Open Web Application Security Project (OWASP), Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Threat Modeling, Cybersecurity, Malware Protection, Mobile Security, Cyber Threat Intelligence, Penetration Testing, Exploitation techniques, Brute-force attacks, Network Security, Cryptography, Threat Management, Information Systems Security, Threat Detection, Cloud Security
★ 4.8 (32) · Beginner · Specialization · 3 - 6 Months

Google - Spectrum Sharing
Skills you'll gain: Public Key Infrastructure, Wireless Networks, Technical Communication, Software Installation, Key Management, Infrastructure Security, Network Infrastructure, Cryptography, System Configuration, System Requirements, Telecommunications, Continuous Monitoring, Data Entry
★ 4.5 (223) · Mixed · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Manufacturing and Production, Digital Transformation, Manufacturing Processes, Manufacturing Operations, Production Process, Product Design, Automation, Digital Design, Digital Analysis, Innovation, Safety and Security, Advanced Analytics, Technology Roadmaps, Cybersecurity, Big Data
★ 4.7 (3.6K) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Generative Adversarial Networks (GANs), Generative AI, Generative Model Architectures, PyTorch (Machine Learning Library), Image Analysis, Deep Learning, Convolutional Neural Networks, Responsible AI, Data Ethics, Model Training, Model Evaluation
★ 4.7 (2K) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Containerization, Package and Software Management, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Scripting, Test Script Development, Development Testing, Devops Tools, Test Automation, IT Automation, Scripting Languages, Integration Testing, DevOps, Software Development Tools, Python Programming, Web Scraping
★ 3.9 (60) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Responsible AI, Threat Modeling, Governance Risk Management and Compliance, Compliance Management, Data Ethics, Data Governance, Model Evaluation, Reinforcement Learning, Risk Management, Prompt Engineering, Governance, Regulatory Compliance, Security Testing, MLOps (Machine Learning Operations), MITRE ATT&CK Framework, Continuous Monitoring, Ethical Standards And Conduct, Large Language Modeling, Vulnerability Assessments
★ 3.6 (12) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Driving engagement, Social Media Strategy, Content Marketing, Social Media Marketing, Customer Engagement, Brand Marketing, Marketing Communications, Marketing Effectiveness, Social Media, Marketing Strategies, Cross-Channel Marketing, Shared Media, Marketing, Promotional Strategies, Digital Marketing, Strategic Communication, Earned Media, Digital Marketing Campaigns, Target Audience, Campaign Management
Mixed · Course · 1 - 4 Weeks

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

Skills you'll gain: User Interface (UI), UI Components, Unity Engine, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Augmented and Virtual Reality (AR/VR), Human Computer Interaction, Usability, Animation and Game Design, Virtual Reality, Interactive Design, Video Game Development, Virtual Environment, Scalability, Game Design, Layout Design, UI/UX Strategy, Interaction Design, Frontend Performance, C# (Programming Language)
Beginner · Specialization · 3 - 6 Months