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.

Total Seminars
Skills you'll gain: Cryptography, Public Key Infrastructure, Cryptographic Protocols, Encryption, Cybersecurity, Public Key Cryptography Standards (PKCS), Data Encryption Standard, Key Management, Network Security, Advanced Encryption Standard (AES), Authentications, Cyber Security Policies, Security Strategy, Data Integrity, Algorithms, Verification And Validation
Beginner · Course · 1 - 3 Months
Skills you'll gain: Bash (Scripting Language), Operating Systems, File Systems, Linux Commands, Linux, SQL, Linux Administration, File Management, Unix Shell, Query Languages, Database Management, Command-Line Interface, Databases, Relational Databases, Authorization (Computing), Authentications, User Accounts
★ 4.8 (6.3K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sales Process, Stakeholder Management, Sales Training, Sales, Sales Prospecting, Stakeholder Engagement, General Sales Practices, Sales Territory Management, Sales Management, Prospecting and Qualification, Selling Techniques, Cold Calling, Account Strategy, Stakeholder Analysis, Sales Development, Account Management, Sales Presentation, Sales Strategy, Sales Enablement, Cross Selling
★ 4.8 (19) · Beginner · Professional Certificate · 3 - 6 Months

University of Amsterdam
Skills you'll gain: Qualitative Research, Scientific Methods, Statistical Analysis, Statistical Hypothesis Testing, Research, Science and Research, Research Design, Sampling (Statistics), Research Reports, Interviewing Skills, Data Analysis, Data Collection, Research Methodologies, Probability & Statistics, Social Sciences, Statistical Methods, Regression Analysis, Statistical Inference, Statistics, R Programming
★ 4.6 (8K) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, System Monitoring, Linux Commands, Operating System Administration, File Systems, User Accounts, Command-Line Interface, User Provisioning, Systems Administration, Data Storage, System Configuration, File Management, Data Storage Technologies, Network Administration, Software Installation, Network Troubleshooting, Open Source Technology
★ 4.5 (178) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, Generative AI Agents, Agentic Workflows, DevSecOps, Threat Modeling, Generative AI, Responsible AI, Open Web Application Security Project (OWASP), Threat Management, Agentic systems, Security Testing, LLM Application, Security Strategy, Continuous Monitoring, Security Controls, Risk Management Framework, Risk Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, Model Context Protocol, AI Integrations, Threat Modeling, Anthropic Claude, LLM Application, Security Architecture Review, Security Testing, Hardening, Tool Calling, Penetration Testing, Prompt Engineering, Security Controls, Exploitation techniques, Systems Architecture, System Configuration, Server Side, Python Programming, Servers, Security Management
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Dashboard Creation, Dashboard, Data Storytelling, Tableau Software, Data Presentation, Data Visualization, Advanced Analytics, Stakeholder Analysis, Interactive Data Visualization, Data Visualization Software, Data Literacy, Exploratory Data Analysis, Data Ethics, Data Analysis, Graphing, Visualization (Computer Graphics), Data Mapping, Requirements Analysis, Data Wrangling, Storyboarding
★ 4.5 (8.4K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Generative Engine Optimization (GEO), Social Media Management, Social Media, Social Media Content, Social Media Marketing, Google Ads, Digital Marketing, Email Marketing, Social Media Strategy, Digital Advertising, Content Scheduling, Web Analytics and SEO, Online Advertising, Social Media Campaigns, Digital Media Strategy, Customer Retention, Search Engine Optimization, Content Performance Analysis, Generative AI
★ 4.7 (230) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Financial Modeling, Financial Statement Analysis, Management Consulting, Strategic Planning, Business Strategy, Data Presentation, Business Consulting, Data Visualization, Stakeholder Engagement, Business Analysis, Stakeholder Management, Generative AI, Microsoft Excel, Problem Solving, Requirements Analysis, Process Improvement, Change Management, Lean Six Sigma, Key Performance Indicators (KPIs), Communication
★ 4.7 (5K) · Beginner · Professional Certificate · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Statistical Visualization, Data-Driven Decision-Making, Analysis, Trend Analysis, Predictive Modeling, Social Media Analytics, Predictive Analytics, Marketing, Social Network Analysis, Customer Analysis, Data Analysis Software, Data Ethics, Data Strategy, Data Warehousing, Customer Insights, Data Science, Digital Analysis, Blockchain, Consumer Behaviour, Data Integrity
★ 4.5 (3.8K) · Intermediate · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Command-Line Interface, Amazon CloudWatch, Identity and Access Management, AWS CloudFormation, Root Cause Analysis, Amazon DynamoDB, Customer Relationship Building, Network Troubleshooting, Amazon Web Services, Customer Relationship Management, Software Architecture, IT Automation, Cloud Computing, Technical Support and Services, Web Applications, Information Technology, Customer Service, Software Development
★ 4.8 (6.9K) · Beginner · Professional Certificate · 3 - 6 Months