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: Model Evaluation, Data Preprocessing, Model Training, Feature Engineering, AI Personalization, Data Processing, Machine Learning Methods, Applied Machine Learning, Data Science, Machine Learning, Scalability, Machine Learning Software, Python Programming, Data Transformation, Pandas (Python Package), Predictive Analytics, Text Mining, Predictive Modeling, Taxonomy, Development Environment
★ 4.7 (71) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Model Training, Model Evaluation, Data Preprocessing, Regression Analysis, Predictive Modeling, Machine Learning Methods, Applied Machine Learning, Data Analysis, Plot (Graphics), Machine Learning, Data Visualization, Decision Tree Learning, Predictive Analytics, Machine Learning Algorithms, Data Visualization Software, Artificial Neural Networks, Deep Learning, Statistical Methods, Python Programming
★ 4.9 (7) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Kubernetes, Application Deployment, Cloud-Native Computing, Containerization, Scalability, Package and Software Management, Configuration Management
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Online Advertising, Data Visualization, Digital Advertising, Advertising, Analytics, Big Data, Paid media, Social Media Strategy, Social Media, Data Ethics, Marketing, Digital Media Strategy, Social Media Marketing, Data-Driven Decision-Making, Business Analytics, Social Media Analytics, Business Transformation, Social Media Campaigns, Return On Investment, Descriptive Analytics
★ 4.7 (6) · Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Firewall, Linux Administration, Authorization (Computing), Linux Servers, Security Controls, Linux, Hardening, Authentications, Network Security, Linux Commands, System Configuration, Servers, Computer Security, Server Administration, Encryption, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI Agents, Google Gemini, Responsible AI, AI Security, Generative AI, Gemini, Google Workspace, Retrieval-Augmented Generation, Generative Model Architectures, AI Enablement, AI Orchestration, Google Cloud Platform, AI Product Strategy, Agentic Workflows, Large Language Modeling, Prompt Engineering Tools, Artificial Intelligence, Cloud Computing, Collaboration
Beginner · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Encryption, Cryptography, Data Security, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, DevOps, Application Programming Interface (API), Authorization (Computing), Application Deployment, Role-Based Access Control (RBAC), Application Security, Authentications, Capacity Management, Security Controls, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Linux Servers, Linux Administration, Linux, TCP/IP, Linux Commands, Network Administration, Servers, Network Protocols, System Configuration, Service Management, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Convolutional Neural Networks, Model Training, Tensorflow, Data Collection, Image Analysis, Artificial Neural Networks, Deep Learning, Computer Vision, Model Evaluation, Google Cloud Platform, Cloud Computing, Scientific Visualization
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Facebook, Social Media Content, Meta Ads Manager, Advertising, Content Creation, Online Advertising, Resource Management, Social Media Management, Content Development and Management, Advertising Campaigns, Social Media, Campaign Management, Marketing, Social Media Marketing, Role-Based Access Control (RBAC), Digital Marketing Tools, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Encryption, Cybersecurity, Cryptography, File I/O, Python Programming, Programming Principles, Debugging, Data Mapping, Software Testing, Data Structures
★ 4.8 (13) · Mixed · Course · 1 - 4 Weeks