Data Security Online Course

Data Security Online Course

This course provides a practical introduction to securing data, users, and applications by understanding common threats and prevention strategies. It begins with online safety fundamentals, exploring how the Internet works, common attacks, and the role of encryption in securing traffic. You’ll then learn key concepts like hashing, encryption, and secure password storage, followed by web application security practices such as TLS implementation, vulnerability patching, and evaluating third-party integrations. The course also covers using automated tools for site protection, industry-specific data safeguards, and concludes with the OWASP Top 10 Vulnerabilities, focusing on mitigation techniques in JavaScript and Node.js. By the end, you’ll have the skills to strengthen security across multiple layers of technology.

Who should take this Course?

The Data Security Online Course is ideal for IT professionals, cybersecurity specialists, system administrators, and business leaders who want to understand how to protect sensitive data from unauthorized access, breaches, and cyber threats. It’s also suitable for students and beginners interested in learning about encryption, access controls, compliance standards, and best practices for securing data in both on-premises and cloud environments. Basic knowledge of IT or security concepts is recommended for effective learning.

What you will learn

• Understand basic internet security and common threats.
• Learn about encryption and internet traffic.
• Master data security basics like hashing and secure password storage.
• Implement TLS for web applications.
• Recognize and mitigate OWASP Top 10 Vulnerabilities.
• Understand data storage precautions for different industries.

Course Outline

Security Literacy

• Security Foundations
• The Flow of the Internet
• Mind Your Metadata
• Threat Model
• Contextualize Your Risk
• Spear Phishing
• The Dangers of Passwords Part 1
• The Dangers of Passwords Part 2
• Get Off My Machine
• Man in the Middle
• Encryption: Never Leave Home Without It
• Internet Traffic Revisited
• Final Recommendations

Introduction to Data Security

• Security Is Putting Your Users First
• Risk Assessment and Management
• Hashing
• Encryption
• Storing Passwords
• Sensitive Data
• Services
• Communications
• Access Control
• Next Steps

Introduction to Application Security

• Why Web Security Matters
• Consequences of Not Protecting Your Web Apps
• Developing a Security-First Mindset
• When and Why to Use TLS
• Implementing TLS for Web Apps
• Authentication Strategies
• Implementing Authentication
• Authorizing and Monitoring User Activities
• Patching Vulnerabilities
• Trusting 3rd Party Libraries
• Using Automated Tools for Securing Your Site
• Compliance Overview for Web Developers
• Next Steps

Practice Hashing Passwords in JavaScript

• Introducing the Practice
• One Solution

Practice Hashing Passwords in PHP

• Introducing the Practice
• One Solution

OWASP Top 10 Vulnerabilities

• Why We Should Care About Web Security
• What Is OWASP
• What Is the OWASP Top 10 and Why Trust It
• Injection
• XSS: How It Works
• XSS Demonstration and Prevention
• CSRF
• Broken Authentication and Session Management
• Broken Access Controls
• Sensitive Data Exposure
• Misconfiguration
• Insecure Components
• Insufficient Logging and Monitoring
• Next Steps