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: Data Storytelling, Email Marketing, Google Ads, Digital Advertising, Paid media, Social Media Analytics, Social Media Marketing, Search Engine Optimization, Google Analytics, Customer Retention, Digital Marketing, Marketing Budgets, Loyalty Programs, Order Fulfillment, Search Engine Marketing, Web Analytics, Online Advertising, Digital Marketing Tools, Marketing, E-Commerce
★ 4.9 (338) · Beginner · Professional Certificate · 3 - 6 Months

Digital Marketing Institute
Skills you'll gain: Content Scheduling, Digital Media Strategy, Social Media Marketing, Content Marketing, Digital Marketing, Marketing, Digital Marketing Campaigns, Social Media Content, Social Media, Content Creation, Digital Content, Social Media Strategy, Digital Marketing Tools, Integrated Marketing Communications, Consumer Behaviour, Business-To-Consumer, Digital Transformation, Content Strategy, Customer Engagement
★ 4.7 (417) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Social Media Content, Search Engine Optimization, Web Analytics and SEO, Social Media Marketing, Brand Marketing, Brand Awareness, Digital Brand Strategy, Digital Marketing Tools, Branding, Digital Marketing, Marketing Design, Web Presence, Content Management Systems, Brand Management, Newsletters, Marketing Materials, Web Design and Development, Video Production
★ 4.6 (377) · Beginner · Guided Project · Less Than 2 Hours

Universidade de São Paulo
Skills you'll gain: Market Analysis, Entrepreneurship, Market Opportunities, Market Research, User Feedback, Business Modeling, User Research, New Product Development, Marketing, Product Development, Business Planning, Digital Marketing, New Business Development, Innovation, Business Development, Business Strategies, Ideation, Scalability, Entrepreneurial Finance, Business Strategy
★ 4.8 (614) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Distributed Denial-Of-Service (DDoS) Attacks, Threat Management, Anomaly Detection, Continuous Monitoring, System Monitoring, Virtual Machines, Network Security, Virtualization and Virtual Machines, Event Monitoring, Network Monitoring, Network Analysis
★ 4.9 (8) · Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: IT Security Architecture, Computer Security Incident Management, Network Security, Incident Response, Digital Forensics, Incident Management, Cybersecurity, Cloud Security, Cyber Attacks, Cloud Computing Architecture, Cyber Security Strategy, Security Controls, Endpoint Security
★ 4.8 (144) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Apache Spark, PySpark, Apache Hive, Big Data, IBM Cloud, Kubernetes, Docker (Software), Scalability, Data Processing, Development Environment, Distributed Computing, Performance Tuning, Open Source Technology, Data Transformation, Debugging
★ 4.4 (484) · Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Cryptography, Cryptographic Protocols, Application Security, Cybersecurity, Data Security, Encryption, Vulnerability Assessments, Information Systems Security, Key Management, Public Key Infrastructure, Mobile Security, Data Integrity
★ 4.6 (77) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Statistical Visualization, Rmarkdown, Shiny (R Package), Plot (Graphics), Dashboard Creation, Dashboard, Leaflet (Software), Interactive Data Visualization, Data Presentation, R (Software), R Programming, Scatter Plots, Graphing, Box Plots, Geospatial Information and Technology, Data Science, Data Analysis
★ 4.6 (274) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Brute-force attacks
★ 4.5 (429) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Training, Model Optimization, Analysis, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Serverless Computing, Identity and Access Management, Google Cloud Platform, Site Reliability Engineering, Cloud Security, Data Integrity, Performance Tuning, Data Security, CI/CD, Data Processing, Debugging, Real Time Data, System Monitoring, Cloud Storage, Unit Testing, Containerization, File I/O, Data Transformation
★ 4 (131) · Intermediate · Specialization · 3 - 6 Months