Homeland Security Courses

Cyber-Physical Systems Security

This course provides an introduction to security issues relating to cyber-physical systems including industrial control systems and critical infrastructures.

• Udacity
• 16 weeks
• Self-Paced
• Free Online Course

Introduction to Computers and Operating Systems and Security

1971 ratings at Coursera

Gain essential knowledge in computer systems, operating systems, and cybersecurity fundamentals. Prepare for a career in IT security or the Microsoft SC-900 certification exam.

• Coursera
• 15 hours 45 minutes
• Self-Paced
• Paid Course

Credential

Professional Cloud Architect Part 2: AI, Security, & Ops

2925 ratings at Coursera

Master advanced Google Cloud architecture skills covering Terraform automation, security management, GKE scaling, AI/ML integration, and observability tools for enterprise-grade reliability.

• Coursera
• Self-Paced
• Paid Course
• 9 courses

Computer Networks and Network Security

3510 ratings at Coursera

Explore network security fundamentals, TCP/IP, OSI model, and database vulnerabilities. Learn about LAN, routing, firewalls, and injection attacks to enhance cybersecurity skills.

• Coursera
• 15 hours 19 minutes
• Self-Paced
• Paid Course

Credential

Security Analyst Fundamentals

4533 ratings at Coursera

Learn essential cybersecurity skills including digital forensics, penetration testing, and incident response. Gain practical knowledge from IBM experts to prepare for a career as a security analyst in this high-demand field.

• Coursera
• 4 weeks, 10 hours/week
• Self-Paced
• Paid Course
• 3 courses

Cybersecurity Roles, Processes & Operating System Security

5410 ratings at Coursera

Explore OS fundamentals, security features, and hands-on skills in Windows, Linux, and macOS. Gain essential knowledge for IT and cybersecurity careers through practical labs and projects.

• Coursera
• 17 hours 34 minutes
• Self-Paced
• Free Online Course (Audit)

Operating Systems: Overview, Administration, and Security

5721 ratings at Coursera

Explore operating systems, focusing on Windows, Linux, and macOS. Learn file systems, security features, virtualization, and hands-on management of user accounts, permissions, and threat protection.

• Coursera
• 17 hours 8 minutes
• Self-Paced
• Paid Course

Connect and Protect: Networks and Network Security

7214 ratings at Coursera

Explore network fundamentals, security measures, and system hardening techniques. Learn to protect against intrusions, understand protocols, and secure both local and cloud infrastructures.

• Coursera
• 11 hours 38 minutes
• Self-Paced
• Paid Course

Play It Safe: Manage Security Risks

10950 ratings at Coursera

Dive deep into cybersecurity concepts, focusing on risk management, threat analysis, and security frameworks. Learn to use SIEM tools and playbooks to protect business operations effectively.

• Coursera
• 9 hours
• Self-Paced
• Paid Course

Introduction to cyber security: stay safe online

161 ratings at OpenLearn

Gain essential cyber security knowledge to protect your digital life. Learn about threats, authentication, malware, networking, cryptography, and risk management in this comprehensive introduction.

• OpenLearn
• 24 hours
• Self-Paced
• Free Certificate

Water Security: Diversifying Urban Water Supply for Future Challenges

1 rating

Experts discuss Melbourne's water security challenges, exploring innovative solutions for sustainable urban water management amidst population growth and climate change.

• YouTube
• 57 minutes
• Self-Paced
• Free Video

Amazon Web Services;  Amazon

AWS Security Incident Response Overview

3 ratings

Learn to define, detect, analyze, contain, eradicate, and recover from security incidents in AWS using appropriate services and following a structured incident response workflow.

• AWS Skill Builder
• 1-2 hours
• Self-Paced
• Free Certificate

ExcelIsFun

Excel & Business Math - MEDIAN Function for FICA Social Security & Medicare Payroll Deductions

3 ratings

Learn to calculate FICA payroll deductions using Excel's MEDIAN function, focusing on Social Security and Medicare taxes. Master tax calculations with changing rates and create employee payroll tables.

• YouTube
• 39 minutes
• Self-Paced
• Free Video

White Hat Cal Poly

Airplane Security - Jennifer Maunder

3 ratings

Explore aviation security challenges, from GPS jamming to in-flight entertainment vulnerabilities. Learn about digital systems, avionics, and ongoing efforts to enhance airplane cybersecurity.

• YouTube
• 28 minutes
• Self-Paced
• Free Video

DEFCONConference

The Interplay Between Safety and Security in Aviation Systems

3 ratings

Explore the critical relationship between aviation safety and cybersecurity standards, from DO-178 to DO-356A, understanding system design principles, assurance levels, and threat modeling in modern aircraft systems.

• YouTube
• 20 minutes
• Self-Paced
• Free Video