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: Accounts Payable, Accounts Payable and Receivable, Invoicing, Billing & Invoicing, Data Entry, Payment Processing and Collection, Transaction Processing, SAP Applications, Accounting Systems, Accounting and Finance Software, Accounting Records, General Ledger, Enterprise Resource Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Computer Vision, Image Analysis, Real Time Data, Convolutional Neural Networks, Data Transformation, NumPy
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Sales, Sales Prospecting, Sales Training, Sales Strategy, Virtual Teams, Technical Sales, Sales Pipelines, Rapport Building, Sales Presentations, Relationship Building, Virtual Environment, Customer Engagement, Microsoft Teams, Consultative Selling, Global Marketing, Customer Relationship Building, Customer Relationship Management, Customer Retention, Customer Success Management, Drive Engagement
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Relational Databases, Health Informatics, Performance Tuning, Data Access, Databases, Data Integrity, Health Information Management, Secure Coding, Clinical Data Management, Stored Procedure, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Campaign Management, Compliance Auditing, Customer Relationship Management (CRM) Software, Brand Marketing, Marketing Planning, Strategic Marketing, Data Mapping, Marketing Effectiveness, Brand Strategy, Marketing Automation, Compliance Management, Data Validation, Regulatory Compliance, Gmail, Customer Analysis, Microsoft Outlook, Brand Management, Copywriting, Project Planning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache Spark, PySpark, Performance Tuning, Data Pipelines, Data Processing, Systems Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Dashboard, Kubernetes, Capacity Management, Analysis, Performance Tuning, MLOps (Machine Learning Operations), Grafana, Prometheus (Software), System Monitoring, YAML, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

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

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: Project Management, Project Management Software, Project Coordination, Strategic Communication, Communication, Internal Communications, Team Oriented, Proactivity
Beginner · Course · 1 - 4 Weeks

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

LearnQuest
Skills you'll gain: Team Motivation, Sales Management, Conflict Management, Diversity and Inclusion, Drive Engagement, Emotional Intelligence, Virtual Teams, Recognizing Others, Professional Development, Management Training And Development, Coaching, Team Management, Cultural Diversity, Communication, Active Listening, Cross-Functional Team Leadership, Team Leadership, Employee Performance Management, Intercultural Competence, Performance Analysis
Beginner · Course · 1 - 4 Weeks