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.

Coursera
Skills you'll gain: Performance Reporting, Performance Analysis, Marketing Analytics, Data-Driven Decision-Making, Business Writing, Marketing Effectiveness, Data Storytelling, Email Marketing, Data Presentation, Concision, Key Performance Indicators (KPIs)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Model Evaluation, Root Cause Analysis, Data Preprocessing, Software Visualization, Exploratory Data Analysis, Analysis, Performance Tuning, Performance Analysis, Quantitative Research
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Keyword Research, Search Engine Marketing, Campaign Management, Google Ads, Online Advertising, Return On Investment, Pay Per Click Advertising, Performance marketing, Advertising Campaigns, Marketing Effectiveness, Cost Reduction, Paid media, Performance Measurement
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Timelines, Project Portfolio Management, Project Coordination, Resource Allocation, Resource Management, Project Management, Resource Utilization, Dependency Analysis, Scheduling, Operational Efficiency, Process Improvement, Portfolio Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cost Management, Financial Management, Resource Allocation, Resource Utilization, Cost Estimation, Predictive Modeling, Forecasting, Capacity Management, Operating Cost, Financial Modeling, Data-Driven Decision-Making, Cost Benefit Analysis, Gap Analysis, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Linux Servers, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Image Analysis, Multimodal Prompts, Debugging, Computer Vision, Algorithms, Model Evaluation, Applied Machine Learning, Performance Tuning, Failure Mode And Effects Analysis, Verification And Validation, Root Cause Analysis, Performance Analysis, Machine Learning, Deep Learning, Artificial Neural Networks, Tensorflow, Data Visualization, Python Programming, Experimentation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Keyword Research, Performance Measurement, Technical Consulting, Performance Analysis, Content Management Systems, Digital Marketing, Auditing, Performance Reporting, Data-Driven Decision-Making, Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Consultative Selling, Closing (Sales), Sales Management, Communication, Sales Prospecting, Selling Techniques, Sales Presentations, Sales Strategy, Consumer Behaviour, Sales, Sales Presentation, Sales Training, Marketing Psychology, Overcoming Objections, Initiative and Leadership, Solution Selling, Resilience, Sales Process, Persuasive Communication, Sales Support
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Smart Goals, Concision, Performance Metric, Marketing Communications, Goal Setting, Digital Advertising, Internal Communications, Communication, Business Writing, Writing, Team Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Stakeholder Communications, Campaign Management, Smart Goals, Email Marketing, Marketing Effectiveness, Goal Setting, Strategic Marketing, Strategic Thinking, Performance Measurement, Business Metrics
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: User Feedback, Workflow Management, Constructive Feedback, Process Improvement, Project Management Software, Agile Project Management, Accountability, Stakeholder Engagement, Team Management
Beginner · Course · 1 - 4 Weeks