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.

University of Michigan
Skills you'll gain: Hazard Analysis, Environment Health And Safety, Health Assessment, Health And Safety Standards, Chemistry, Risk Analysis, Sustainable Engineering, Analytical Chemistry, Personal Care, Product Lifecycle Management, Environmental Regulations, Environmental Science, Child Health
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Quantitative Research, Data-Driven Decision-Making, Descriptive Statistics, Data Analysis, Statistical Reporting, Statistics, Research Design, Statistical Analysis, Microsoft Excel, Descriptive Analytics, Research Methodologies, Statistical Methods, R (Software), Research, R Programming, Data Collection, Research Reports, Correlation Analysis, Data Ethics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Data Validation, Project Risk Management, Business Continuity, Security Controls, IT General Controls (ITGC), Risk Mitigation, Project Management, Risk Management, System Testing, System Implementation, Information Management, Data Integrity, Software Development Methodologies, Program Evaluation
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Content Marketing, Content Strategy, Content Management, Marketing Strategies, Gap Analysis, Strategic Marketing, Content Development and Management, Journey Mapping, Driving engagement, Marketing Materials, Content Creation, Sales Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management Framework, Authentications, Security Management, Threat Management, Security Strategy, Identity and Access Management, Security Controls, Authorization (Computing), Security Awareness, Role-Based Access Control (RBAC), Single Sign-On (SSO), Data Ethics, Information Technology Operations, Computer Security Awareness Training, Security Assertion Markup Language (SAML), Data Security, User Provisioning, Multi-Factor Authentication, Change Control
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, C and C++, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Load Balancing, Microsoft Azure, Cloud Infrastructure, Virtual Networking, Network Architecture, Network Planning And Design, Network Infrastructure, Cloud Computing Architecture, Network Administration, General Networking, Firewall, Network Security, Cloud Management, IT Automation, Data Migration, Virtual Machines, Microsoft SQL Servers, Performance Tuning, Scalability, Database Architecture and Administration
Intermediate · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: Cloud Security, Zero Trust Network Access, Hybrid Cloud Computing, Cloud Computing, Cloud Management, Cloud Services, Cloud Solutions, Security Strategy, Scalability, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Centers, Ansible, Open Shortest Path First (OSPF), Routing Protocols, Network Switches, Computing Platforms, Software-Defined Data Center (SDDC), Virtual Networking, Virtual Local Area Network (VLAN), IT Automation, Security Controls, Network Infrastructure, Devops Tools, Network Engineering, Border Gateway Protocol, Network Routers, Network Routing, Infrastructure Security, Network Monitoring, Data Storage Technologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Stakeholder Engagement, Business Metrics, Web Analytics, Business Analytics, Analytics, Key Performance Indicators (KPIs), Data Storytelling, Performance Analysis, Data Presentation, Digital Analysis, Presentations, Stakeholder Communications, Marketing Analytics, Strategic Communication, Data-Driven Marketing, Persuasive Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Mapping, Memory Management, Exploit development, Web Applications, Computational Logic, Code Reusability, Authorization (Computing), Software Development Tools, Security Controls, Other Programming Languages, Program Development, Data Storage
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Dashboard, Dashboard Creation, Data Visualization, Web Content Accessibility Guidelines, Data Presentation, Data Literacy, Data Visualization Software, Statistical Visualization, Heat Maps, Scatter Plots
Beginner · Course · 1 - 4 Weeks