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.

University of Colorado Boulder
Skills you'll gain: Image Analysis, Tensorflow, Computer Vision, Convolutional Neural Networks, Applied Machine Learning, Deep Learning, Machine Learning, Artificial Neural Networks, Performance Tuning, Data Preprocessing, Model Evaluation, Feature Engineering, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Package and Software Management, Linux Administration, Command-Line Interface, Unix Commands, Linux Servers, Linux, Operating System Administration, Authorization (Computing), Linux Commands, Systems Administration, User Accounts, Shell Script, Unix Shell, Remote Access Systems, Network Security, Network Administration, General Networking, File Management, System Configuration, Data Storage
Mixed · Course · 1 - 3 Months

Skills you'll gain: Facebook, Social Media Marketing, Social Media, Social Media Strategy, Social Media Campaigns, Advertising, Online Advertising, Paid media, Budget Management, Customer Engagement
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Docker (Software), YAML, Containerization, Configuration Management, Data Pipelines, Real Time Data, Debugging, DevOps, Microservices, Application Deployment, Scalability, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Social Media, Facebook, Social Media Marketing, Social Media Strategy, Content Creation, Driving engagement, Advertising
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Power Apps Component Framework, Data Modeling
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computational Logic, Verification And Validation, Theoretical Computer Science, Systems Design, Model Evaluation, Simulations, Algorithms, Safety and Security
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Cloud-Native Computing, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Content, Social Media, Social Media Marketing, Social Media Management, Content Creation, Instagram, Scheduling, Facebook, Content Management, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Azure Synapse Analytics, Data Migration, Microsoft Azure, Data Warehousing, SQL Server Integration Services (SSIS), Microsoft SQL Servers, Cloud Security, Performance Tuning, System Configuration, Cloud Storage, Cloud Computing Architecture, Data Security, Apache Spark, Data Integration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Relational Databases, Database Architecture and Administration, Oracle Databases, Data Storage Technologies, Data Migration, Key Management, Data Integrity, Encryption, Data Loss Prevention, Data Security
Advanced · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, Kubernetes, Cloud Deployment, Scalability, Continuous Deployment, Containerization, Cloud Applications, Cloud Management, Software Installation, Software Versioning
Intermediate · Course · 1 - 4 Weeks