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: Open Web Application Security Project (OWASP), Authentications, Web Applications, Penetration Testing, Application Security, Security Controls, Security Testing, Vulnerability Assessments, Application Programming Interface (API), Exploitation techniques, Web Servers, Cloud Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: System Monitoring, Data Analysis Expressions (DAX), Real Time Data, Performance Tuning, Dataflow, Data Processing, Data Pipelines, Data Warehousing, Power BI, Apache Spark, Data Governance, Business Analytics, SQL, Data Management, Workflow Management, Data Science, Security Engineering, Artificial Intelligence and Machine Learning (AI/ML), Warehouse Management, Application Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Recurrent Neural Networks (RNNs), Model Deployment, Keras (Neural Network Library), Deep Learning, Tensorflow, Artificial Neural Networks, Convolutional Neural Networks, Application Frameworks, Model Training, Artificial Intelligence, Data Preprocessing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Retrieval-Augmented Generation, OpenAI API, Generative AI, LLM Application, Model Evaluation, Data Preprocessing, Large Language Modeling, Generative Adversarial Networks (GANs), Predictive Modeling, Matplotlib, Keras (Neural Network Library), Fine-tuning, Transfer Learning, Deep Learning, Machine Learning Methods, Applied Machine Learning, Seaborn, Statistical Modeling, Machine Learning
★ 5 (6) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Endpoint Security, Zero Trust Network Access, IT Security Architecture, Data Security, Security Architecture Review, Security Strategy, Cloud Security, Cyber Security Strategy, Cloud Services, Microsoft Azure, Security Information and Event Management (SIEM), Security Controls, Cybersecurity, Cyber Security Assessment, Threat Modeling, Cyber Threat Intelligence, Application Security, Cyber Security Policies, Infrastructure Security, Application Programming Interface (API)
Advanced · Course · 1 - 3 Months

Infosec
Skills you'll gain: C and C++, Exploit development, C (Programming Language), Security Testing, C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments, Interoperability, White-Box Testing
★ 2.7 (7) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Campaign Management, Digital Marketing Campaigns, Social Media, Content Performance Analysis, Digital Marketing, Digital Media Strategy, Campaign Planning, Social Media Marketing, Digital Marketing Tools, Case Studies, Target Market, Marketing Strategies, Social Media Campaigns, Marketing, Strategic Marketing, Consumer Behaviour, Marketing Planning, Digital Analysis, Competitive Analysis, Business
★ 4.8 (78) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Event Marketing, Events and Conferences, Social Media Content, Drive Engagement, Content Creation, Campaign Planning, Social Media, Social Media Marketing, Social Media Campaigns, Promotional Strategies, Driving engagement, Branding, Video Production, Photo/Video Production and Technology, Integrated Marketing Communications, Promotions and Campaigns, Storytelling, Interactive Design
★ 4.7 (9) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Ggplot2, Plot (Graphics), Data Cleansing, Tidyverse (R Package), Data Wrangling, Data Transformation, Data Visualization, R Programming, Data Manipulation, Statistical Visualization, R (Software), Data Analysis, Data Management, Pivot Tables And Charts
★ 4.6 (10) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Security Testing, Penetration Testing, Open Web Application Security Project (OWASP), Vulnerability Scanning, Application Security, Exploitation techniques, Vulnerability Assessments, Test Tools, Web Applications, Proxy Servers, SQL
Intermediate · Course · 1 - 3 Months
Georgia Institute of Technology
Skills you'll gain: Cloud Applications, Cloud Development, Cloud-Native Computing, Cloud Deployment, Application Development, Cloud Management, Cloud Computing, Cloud Infrastructure, Cloud Platforms, Cloud Services, Cloud Computing Architecture, Internet Of Things, Application Deployment, Software Development, Computing Platforms, Distributed Computing, Scalability, Real Time Data
★ 4.5 (19) · Mixed · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Stress First Aid, Pediatric First Aid, Emergency Services, First Aid, Emergency Medical Services, Developmental Disabilities, Psychosocial Assessments, Mental Health Diseases and Disorders, Caregiving, Safety and Security, Mental Health, Resilience, Family Support
★ 4.7 (63) · Beginner · Course · 1 - 3 Months