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.

Coursera
Skills you'll gain: Star Schema, Role-Based Access Control (RBAC), Power BI, Database Design, Data Modeling, Financial Modeling, Data Analysis Expressions (DAX), Authorization (Computing), Relational Databases, Financial Data, Data Security, Security Controls, Dashboard, Data Access, Model Deployment, Gross Profit
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PostgreSQL, Data Maintenance, Database Administration, Database Architecture and Administration, SQL, Secure Coding, Database Management, Relational Databases, Query Languages, Security Controls, Data Access, Data Security, Role-Based Access Control (RBAC), Threat Management, Threat Detection
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Endpoint Security, Computer Security Incident Management, Mobile Security, Security Awareness, Malware Protection, Operating System Administration, Email Security, Android (Operating System), Data Maintenance, Multi-Factor Authentication, System Configuration, Apple iOS, Hardware Troubleshooting, Network Administration, Authentications, Change Control
Beginner · Course · 1 - 3 Months

Skills you'll gain: Windows Servers, Active Directory, Remote Access Systems, Microsoft Servers, Virtual Private Networks (VPN), Microsoft Azure, Dynamic Host Configuration Protocol (DHCP), Hybrid Cloud Computing, Data Storage Technologies, Network Infrastructure, Virtual Networking, Cloud Storage, Wide Area Networks, File Systems, TCP/IP
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Management, Vulnerability Assessments, Threat Management, IT Management, Security Strategy, Cyber Governance, Risk Management Framework, Security Controls, Cyber Risk, Security Awareness, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux, User Accounts, Identity and Access Management, Authentications, Virtual Machines, Virtualization, Operating System Administration, Security Controls, System Configuration, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardening, Incident Response, Vulnerability Assessments, Security Strategy, Security Controls, Computer Security Incident Management, Infrastructure Security, Security Testing, Control Systems, Information Systems Security, Continuous Monitoring, Penetration Testing, Cyber Security Strategy, Cyber Attacks, Risk Analysis, Operational Risk, Data Security, Risk Management Framework, Risk Management, Operational Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Information Systems Security Assessment Framework (ISSAF), Information Systems Security, Zero Trust Network Access, Risk Management Framework, Security Requirements Analysis, Application Security, Computer Security, Threat Modeling, Cybersecurity, Security Management, Vulnerability Assessments, Network Security, Security Strategy, Security Controls, Data Security, Cyber Security Assessment, Cyber Risk, Enterprise Architecture, Data Integrity
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Data Security, Security Testing, Data Ethics, Cyber Security Strategy, Cyber Threat Intelligence, Security Controls, Cyber Risk, Data Sharing, Intrusion Detection and Prevention, Cyber Attacks, Cybersecurity, Cyber Threat Hunting, Cyber Governance, Security Management, Artificial Intelligence and Machine Learning (AI/ML), Security Awareness, Security Strategy, AI Product Strategy, Security Software, Generative AI
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Governance, Data Strategy, Data Migration, Correlation Analysis, Security Controls, Data Quality, Data Management, Database Management, Data Infrastructure, SQL, Data Integrity, Data Security, Data Validation, Data Pipelines, Data Warehousing, Dashboard, Statistical Analysis, Cost Benefit Analysis, Auditing, Root Cause Analysis
Advanced · Course · 3 - 6 Months

Skills you'll gain: Cryptographic Protocols, Blockchain, Business Continuity, Cryptography, Disaster Recovery, Vulnerability Assessments, Enterprise Security, Regulation and Legal Compliance, Data Security, Application Frameworks, Cybersecurity, Emerging Technologies, Distributed Computing, Transaction Processing
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Financial Regulation, Financial Regulations, Bank Regulations, FinTech, Financial Services, Financial Industry Regulatory Authorities, Mobile Banking, Regulatory Requirements, Fraud detection, Data Security, Cybersecurity, Insurance, Blockchain, Digital Forensics
Beginner · Course · 1 - 3 Months