Secure Developer .NET (Inc OWASP) Training Course

I. Foundations of Secure Coding and Web Application Security

1. Current Web Application Threats

• Prevalent attack vectors targeting web applications
• Specific security risks associated with modern ASP.NET systems
• The importance of secure coding within the software development process
• Overview of the OWASP Foundation and its available resources

2. Core Principles of Secure Software Development

• Security by design
• Defense in depth strategy
• Principle of least privilege
• Fail-safe mechanisms
• Establishing secure defaults
• Basics of threat modeling

II. The Secure Development Lifecycle (SDL)

1. Integrating Security into the Lifecycle

• Maintaining security throughout all development phases
• Defining security requirements
• Designing secure architecture
• Adhering to secure coding practices
• Conducting security testing and validation
• Ensuring secure deployment and ongoing maintenance

2. Risk Assessment and Threat Modeling

• Identifying critical assets and potential threats
• Analyzing the application attack surface
• Overview of the STRIDE threat model
• Prioritizing security risks effectively

III. Addressing the OWASP Top 10 in ASP.NET

1. Understanding the Top 10 Vulnerabilities

• Broken Access Control
• Cryptographic Failures
• Injection
• Insecure Design
• Security Misconfiguration
• Vulnerable and Outdated Components
• Identification and Authentication Failures
• Software and Data Integrity Failures
• Security Logging and Monitoring Failures
• Server-Side Request Forgery (SSRF)

2. Implementing OWASP Best Practices

• Applying secure coding techniques
• Establishing preventive controls
• Best practices for secure configuration
• Practical demonstrations and case studies

IV. Authentication and Authorization Security

1. Authentication Basics

• Authentication mechanisms specific to ASP.NET
• Implementing strong password security
• Integrating multi-factor authentication
• Effective session management
• Managing user identities

2. Authorization and Access Control

• Role-based authorization models
• Claims-based authorization strategies
• Policy-based access control
• Mitigating privilege escalation risks
• Safeguarding sensitive resources

V. Mitigating Injection Attacks

1. Injection Vulnerabilities Explained

• SQL Injection
• Command Injection
• LDAP Injection
• XML Injection
• Overview of NoSQL Injection

2. Techniques for Secure Coding

• Using parameterized queries
• Strict input validation
• Proper output encoding
• Security considerations for ORM usage
• Safe database interaction patterns

VI. Defending Against Cross-Site Scripting (XSS)

1. Understanding XSS Mechanisms

• Stored XSS attacks
• Reflected XSS attacks
• DOM-based XSS attacks
• Common attack scenarios

2. Strategies for XSS Prevention

• Implementing output encoding
• Enforcing input validation
• Utilizing Content Security Policy (CSP)
• Secure management of HTML and JavaScript
• Leveraging ASP.NET features for XSS defense

VII. Preventing Cross-Site Request Forgery (CSRF)

1. Understanding CSRF Attacks

• How CSRF exploits are executed
• Frequent attack patterns
• Business impact of successful attacks

2. Implementing CSRF Protections

• Use of anti-forgery tokens
• Configuration of SameSite cookies
• Securing session states
• ASP.NET built-in anti-forgery mechanisms

VIII. Securing ASP.NET Application Configurations

1. Utilizing ASP.NET Security Features

• Configuration hardening
• Setting secure HTTP headers
• Configuring HTTPS and TLS correctly
• Managing secrets securely
• Handling errors without exposing sensitive data

2. Safeguarding Sensitive Data

• Using data protection APIs
• Secure storage of credentials
• Fundamentals of encryption
• Managing cryptographic keys

IX. Input Validation and Secure Data Management

1. Validating User Input

• Choosing between whitelisting and blacklisting
• Implementing server-side validation
• Considerations for client-side validation
• Securing file upload processes

2. Secure Data Processing

• Ensuring serialization security
• Mitigating deserialization risks
• Maintaining data integrity
• Best practices for secure logging

X. Penetration Testing and Security Verification

1. Penetration Testing Approach

• Planning security assessments
• Identifying vulnerabilities
• Understanding exploitation concepts
• Documenting and reporting findings

2. Security Testing Methods

• Static Application Security Testing (SAST)
• Dynamic Application Security Testing (DAST)
• Interactive Application Security Testing (IAST)
• Analyzing dependencies and components
• Conducting manual code reviews

XI. Hardening ASP.NET Applications

1. Implementing Secure Coding Practices

• Building secure authentication systems
• Implementing robust authorization
• Protecting session integrity
• Proper exception handling
• Effective logging and monitoring
• Considerations for secure deployment

2. Adopting Security Best Practices

• Adhering to secure coding standards
• Managing dependencies effectively
• Implementing patch management
• Pursuing continuous security improvement

XII. Practical Security Workshop

1. Identifying and Analyzing Common Vulnerabilities

• Reviewing insecure ASP.NET code samples
• Detecting OWASP Top 10 issues
• Understanding attack methodologies
• Evaluating application security posture

2. Fixing Security Issues

• Applying secure coding solutions
• Verifying the effectiveness of mitigations
• Testing corrected applications
• Completing a secure coding review exercise

XIII. Course Summary and Review

1. Recap of Key Concepts

• Principles of secure design
• Mitigation strategies for the OWASP Top 10
• Key ASP.NET security features
• The secure development lifecycle

2. Closing Discussion

• Reinforcing secure coding best practices
• Integrating security into development teams
• Exploring additional OWASP resources
• Q&A session and future learning steps