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: Network Troubleshooting, Network Performance Management, Network Monitoring, Technical Communication, Technical Support and Services, Technical Support, Network Administration, Desktop Support, Debugging, Help Desk Support, Problem Management, Network Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Scanning, Penetration Testing, MITRE ATT&CK Framework, Metasploit, Vulnerability Assessments, Security Testing, Open Web Application Security Project (OWASP), Cyber Security Assessment, Exploitation techniques, Virtual Machines, Technical Documentation, Microsoft Windows, Windows PowerShell, Linux Commands, Command-Line Interface, Software Installation
Intermediate · Course · 3 - 6 Months

Peking University
Skills you'll gain: Game Theory, Graph Theory, Social Network Analysis, Network Analysis, Socioeconomics, Computational Thinking, Web Analytics and SEO, Market Dynamics, Sociology, Online Advertising, Economics, Behavioral Economics, Probability
Mixed · Course · 3 - 6 Months

Skills you'll gain: TikTok, Video Production, Content Performance Analysis, Content Creation, Videography, Web Analytics and SEO, Social Media Content, Video Editing, Photography, Media Production, Social Media Campaigns, Social Media, Driving engagement, Social Media Marketing, Social Media Strategy, Content Strategy, Storytelling, Photo Editing, Branding, Drive Engagement
Beginner · Professional Certificate · 3 - 6 Months

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Data Security, Database Application, Web Applications, Cryptography, Authentications, Configuration Management, Session Initiation Protocols, Computer Programming
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Amazon S3, Amazon Web Services, AWS Identity and Access Management (IAM), Amazon DynamoDB, Cloud Security, Identity and Access Management, Cloud Computing, Cloud Computing Architecture, Relational Databases, Cloud Infrastructure, Cloud Storage, Scalability, Amazon CloudWatch, Databases, Database Management, Continuous Monitoring, Operational Databases, NoSQL
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Shell Script, Ubuntu, Unix Shell, Linux Administration, Operating System Administration, Bash (Scripting Language), Unix, Operating Systems, Command-Line Interface, Scripting, Linux Commands, Red Hat Enterprise Linux, File Systems, System Configuration, Database Management, General Networking, Network Security
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Instagram, Social Media Content, Content Creation, Social Media, Social Media Marketing, Driving engagement, Account Strategy, Brand Awareness, Digital Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: IT Service Management, Information Technology Infrastructure Library, Change Control, IT Management, Information Technology Architecture, Service Management, Security Management, Enterprise Architecture, Risk Management Framework, IT Infrastructure, IT Security Architecture, Capacity Management, Problem Management, Release Management, Incident Management
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Network Model, Digital Assets, Business Intelligence, Information Management, Data Analysis, Asset Management, Business Analytics, Advanced Analytics, Business Valuation, Data Strategy, Data-Driven Decision-Making, Business Economics, Information Technology, Competitive Intelligence, Data Management, Innovation, Accounting
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Hardening, Remote Access Systems, Linux Servers, Linux Administration, Linux, Linux Commands, Authentications, Security Controls, Cryptographic Protocols, Key Management, Public Key Infrastructure, Software Installation
Beginner · Course · 1 - 4 Weeks