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: Reinforcement Learning, Deep Learning, Machine Learning Methods, Model Evaluation, Artificial Intelligence, Machine Learning, Machine Learning Algorithms, Artificial Neural Networks, Model Training, Agentic systems, Model Optimization, Algorithms, Applied Machine Learning, System Design and Implementation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Credit Risk, Portfolio Risk, Lending and Underwriting, Investment Management, Bank Regulations, Portfolio Management, Risk Modeling, Risk Management, Cash Management, Financial Market, Market Liquidity, Banking, Derivatives, Finance, Analysis, Performance Analysis, Decision Making, Analytics, Construction, Design
Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Multiprotocol Label Switching, Virtual Private Networks (VPN), Routing Protocols, Service Level, Network Planning And Design, Network Routing, Virtual Networking, Network Routers, Network Architecture, Network Security
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Responsible AI, Data Ethics, Business Ethics, AI Enablement, Personally Identifiable Information, Artificial Intelligence, Ethical Standards And Conduct, AI literacy, Data Loss Prevention, Data Security, Information Privacy, Data Governance, Productivity Software, Accountability, Risk Control, Risk Analysis, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud API, Google Cloud Platform, Data Store, Medical Privacy, Application Programming Interface (API), Health Informatics, Health Information Management and Medical Records, Health Information Management, Health Technology, Data Import/Export, Cloud Computing, Data Security, Medical Imaging
★ 4.3 (6) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Linux, Linux Administration, Operating System Administration, File Systems, User Accounts, Linux Commands, User Provisioning, Data Storage, Systems Administration, File Management, Authorization (Computing), Performance Tuning, Data Storage Technologies, Command-Line Interface, Operating Systems, Identity and Access Management, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Presence, Social Media Marketing, Social Media, Social Media Management, Driving engagement, Account Management, User Accounts, Customer Engagement, Drive Engagement, Target Audience, Registration
Beginner · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: Operating Systems, Data Maintenance, Package and Software Management, File Management
★ 4.8 (24) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Promotional Strategies, Social Media, Microsoft Outlook, Instagram, Customer Acquisition Management, Social Media Management, Facebook, Social Media Marketing, Gmail, Target Audience, Account Management, Customer Relationship Building, Customer Engagement, Digital Marketing, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Facebook, Social Media Content, Social Media Management, Social Media, Group Policy, Social Media Marketing, Drive Engagement, Promotional Strategies
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Real Time Data, Dashboard Creation, Dataflow, Data Pipelines, Dashboard, Google Cloud Platform, Data Integration, Cloud-Based Integration, Event-Driven Programming, Capacity Management, Data Processing, Data Presentation, Data Transformation, Scalability
★ 4.1 (15) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: R Programming, Alteryx, R (Software), Statistical Programming, Tableau Software, Data Cleansing, Dashboard Creation, Data Visualization Software, Dashboard, Data Visualization, Data Storytelling, Statistical Visualization, Interactive Data Visualization, Data Presentation, Data Analysis Software, Data Wrangling, Statistical Analysis, Workflow Management, Data Analysis, Data Processing
Intermediate · Course · 1 - 4 Weeks