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 Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Encryption, Information Systems Security, Cybersecurity, Theoretical Computer Science, Computational Logic
Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Embedded Systems, Embedded Software, Internet Of Things, Operating Systems, Real-Time Operating Systems, Wireless Networks, System Programming, Hardware Architecture, Computer Architecture, Simulations, C (Programming Language), Network Protocols
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Social Media Strategy, Social Media Marketing, Marketing, Video Production, Marketing Strategies, Content Creation, Paid media, Content Strategy, Advertising Campaigns, Brand Marketing, Live Streaming
Mixed · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: Teamwork, Active Listening, Problem Solving, Emotional Intelligence, Collaboration, Verbal Communication Skills, Growth Mindedness, Team Leadership, Productivity, Personal Integrity, Workplace Bullying Intervention, Compliance Management, Information Privacy, Security Controls, Overcoming Obstacles, Accountability, Occupational Health, Communication, Diversity Awareness, Diversity and Inclusion
Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Graph Theory, Database Design, Big Data, Network Analysis, Analytics, Data Management, Query Languages, Computing Platforms, Scalability, Unsupervised Learning, Distributed Computing, Algorithms
Mixed · Course · 1 - 3 Months
Skills you'll gain: Network Troubleshooting, Information Systems Security, Systems Administration, Desktop Support, Computer Networking, OSI Models, Cloud Infrastructure, Routing Protocols, Package and Software Management, Operating System Administration, Network Security, Application Security, Cybersecurity, Help Desk Support, Software Installation, Network Protocols, Computer Hardware, Cloud Computing, Customer Service, Debugging
Beginner · Professional Certificate · 3 - 6 Months

Northeastern University
Skills you'll gain: Information Privacy, Personally Identifiable Information, Data Ethics, Law, Regulation, and Compliance, Data Security, Journalism, digital literacy, Emerging Technologies, Media and Communications, Internet Of Things, Algorithms, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Università Bocconi
Skills you'll gain: Project Finance, Risk Analysis, Capital Budgeting, Financial Analysis, Private Equity, Credit Risk, Risk Management, Investments, Finance, Contract Management, Banking
Mixed · Course · 1 - 3 Months

Pearson
Skills you'll gain: Zero Trust Network Access, Cybersecurity, Vulnerability Assessments, Cyber Security Strategy, Cyber Security Assessment, IT Security Architecture, Network Security, Threat Modeling, Security Strategy, Security Controls, Cloud Security, Authentications, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mainframe Computing, z/OS, Virtualization, IBM Cloud, Virtual Machines, Infrastructure Architecture, Computer Architecture, Enterprise Security, Computer Systems, Computer Hardware, Cryptography, System Configuration, Process Management
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Plot (Graphics), Statistical Visualization, Ggplot2, Dimensionality Reduction, Data Visualization Software, R Programming, Graphing, Data Analysis, Statistical Analysis, Unsupervised Learning
Mixed · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Descriptive Analytics, AWS Identity and Access Management (IAM), Analytics, Dashboard, Data Analysis, Exploratory Data Analysis, Amazon Web Services, Data-Driven Decision-Making, Data Visualization, Big Data, Cloud Security, Amazon S3, Cloud Computing
Beginner · Course · 1 - 4 Weeks