CompTIA Security+ courses can help you learn network security, risk management, cryptography, and identity management. You can build skills in threat analysis, incident response, and implementing security controls to protect sensitive information. Many courses introduce tools like firewalls, intrusion detection systems, and vulnerability assessment software, showing how these tools are applied to safeguard networks and data against potential threats.

Skills you'll gain: Control Systems, Programmable Logic Controllers, Animations, Human Machine Interfaces, UI Components, Real-Time Operating Systems, Control Panels, Interactive Design, Code Reusability, Program Development, Electronic Hardware, Simulations, Interactive Data Visualization, System Monitoring, Automation Engineering, System Configuration, Machine Controls, Plant Operations and Management, Computer Hardware, Network Troubleshooting
★ 4.7 (23) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Responsible AI, AI Security, Threat Modeling, MLOps (Machine Learning Operations), Budget Management, Secure Coding, Data Ethics, Data Governance, Experimentation, Prompt Engineering, Application Security, CI/CD, Automation, Financial Forecasting, Compliance Management, Governance, Technical Documentation, Vulnerability Assessments, Risk Management, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
★ 4.8 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Network Monitoring, Network Planning And Design, Network Engineering, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Authentications, Scalability
★ 4.7 (24) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Linux, Linux Administration, Linux Commands, Linux Servers, Shell Script, Unix, Unix Shell, Systems Administration, Unix Commands, Command-Line Interface, Patch Management, Scripting Languages, Package and Software Management, Virtualization and Virtual Machines, File Systems, File Management, Data Storage, Security Controls, User Accounts, Authorization (Computing)
★ 4.7 (10) · Intermediate · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Medical Privacy, Information Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Governance, Security Management, Computer Security Incident Management, Personally Identifiable Information, Continuous Monitoring, Law, Regulation, and Compliance, Data Security, Information Assurance, Document Management, Security Controls, Threat Management, Health Information Management, Security Strategy, General Data Protection Regulation (GDPR), Data Management, Cyber Governance, Incident Response
★ 4.7 (42) · Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Network Analysis, Network Security, Intrusion Detection and Prevention, Cybersecurity, Threat Detection, Network Monitoring, Anomaly Detection, Network Protocols
★ 4.6 (37) · Mixed · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Reinforcement Learning, Financial Trading, Financial Market, Derivatives, Market Liquidity, Market Dynamics, Markov Model, Financial Modeling, Machine Learning Methods, Financial Data, Credit Risk, General Lending, Machine Learning, Differential Equations
★ 3.8 (85) · Advanced · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Lifelong Learning, Growth Mindedness, digital literacy, Web Presence, Personal Development, Critical Thinking, Emerging Technologies, Professional Development, Professionalism, Data Ethics, Habit Formation, Creativity, Security Awareness, Web Content Accessibility Guidelines, Collaboration, Communication
★ 4.3 (444) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Security Assessment, Cybersecurity, Scenario Testing, Simulations, Infrastructure Security, Computer Security Incident Management, Incident Response, Security Controls, Network Security, Role-Based Access Control (RBAC), Risk Management Framework, Disaster Recovery, Encryption
★ 4.6 (46) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Cloud Security, Data Security, Network Security, Cloud Applications, Role-Based Access Control (RBAC), Application Security, Microsoft SQL Servers, Cloud Development, Security Controls, Firewall, Database Architecture and Administration, Relational Databases, Cloud Management, Key Management, Identity and Access Management, Threat Detection, Encryption
★ 4.5 (20) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Operations, Data Persistence, Exploitation techniques, Persistence, Intrusion Detection and Prevention, Scripting, Python Programming, Scripting Languages
★ 4.6 (98) · Intermediate · Course · 1 - 4 Weeks