Secure Developer .NET (Inc OWASP) Training Course

I. Introduction to Secure Coding and Web Application Security

1. The Modern Web Application Threat Landscape

• Common vectors for web application attacks
• Security risks inherent in modern ASP.NET applications
• The importance of secure coding in software development
• An introduction to the OWASP Foundation and its available resources

2. Principles of Secure Software Development

• Designing for security
• Defense in depth
• Least privilege
• Failing securely
• Secure defaults
• Foundations of threat modelling

II. Secure Development Lifecycle (SDL)

1. Secure Software Development Lifecycle

• Integrating security throughout the development lifecycle
• Defining security requirements
• Secure architecture and design
• Adhering to secure coding practices
• Security testing and validation
• Secure deployment and maintenance

2. Risk Assessment and Threat Modelling

• Identifying assets and threats
• Analysing the attack surface
• Overview of STRIDE
• Prioritising security risks

III. OWASP Top 10 for ASP.NET Applications

1. Understanding the OWASP Top 10

• 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• Vulnerable and Outdated Components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. Applying OWASP Recommendations

• Secure coding techniques
• Implementing preventive controls
• Secure configuration practices
• Real-world examples and demonstrations

IV. Authentication and Authorization Security

1. Authentication Fundamentals

• Authentication mechanisms in ASP.NET
• Password security
• Multi-factor authentication
• Session management
• Identity management

2. Authorization and Access Control

• Role-based authorization
• Claims-based authorization
• Policy-based authorization
• Preventing privilege escalation
• Safeguarding sensitive resources

V. Preventing Injection Attacks

1. Injection Vulnerabilities

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

2. Secure Coding Techniques

• Parameterized queries
• Input validation
• Output encoding
• ORM security considerations
• Safe database access practices

VI. Preventing Cross-Site Scripting (XSS)

1. Understanding XSS

• Stored XSS
• Reflected XSS
• DOM-based XSS
• Attack scenarios

2. XSS Prevention

• Output encoding
• Input validation
• Content Security Policy (CSP)
• Secure handling of HTML and JavaScript
• ASP.NET security features for XSS prevention

VII. Preventing Cross-Site Request Forgery (CSRF)

1. Understanding CSRF

• Mechanics of CSRF attacks
• Common attack scenarios
• Business impact

2. CSRF Protection

• Anti-forgery tokens
• SameSite cookies
• Secure session management
• ASP.NET anti-forgery mechanisms

VIII. Secure Configuration of ASP.NET Applications

1. ASP.NET Security Features

• Configuration security
• Secure HTTP headers
• HTTPS and TLS configuration
• Secrets management
• Secure error handling

2. Protecting Sensitive Data

• Data protection APIs
• Secure storage of credentials
• Encryption fundamentals
• Key management

IX. Input Validation and Secure Data Handling

1. Validating User Input

• Whitelisting versus blacklisting
• Server-side validation
• Considerations for client-side validation
• File upload security

2. Secure Data Processing

• Serialization security
• Deserialization risks
• Data integrity
• Secure logging practices

X. Penetration Testing and Security Verification

1. Penetration Testing Methodology

• Planning security assessments
• Vulnerability identification
• Exploitation concepts
• Reporting findings

2. Security Testing Techniques

• Static Application Security Testing (SAST)
• Dynamic Application Security Testing (DAST)
• Interactive Application Security Testing (IAST)
• Dependency and component analysis
• Manual code review

XI. Securing ASP.NET Applications

1. Applying Secure Coding Practices

• Implementing secure authentication
• Implementing secure authorization
• Session security
• Exception handling
• Logging and monitoring
• Considerations for secure deployment

2. Security Best Practices

• Secure coding standards
• Dependency management
• Patch management
• Continuous security improvement

XII. Hands-on Security Workshop

1. Identifying and Exploiting Common Vulnerabilities

• Analysing insecure ASP.NET code
• Identifying OWASP Top 10 vulnerabilities
• Understanding attack techniques
• Evaluating application security

2. Remediating Security Issues

• Applying secure coding fixes
• Validating mitigations
• Testing remediated applications
• Secure coding review exercise

XIII. Summary and Course Review

1. Review of Key Concepts

• Secure design principles
• OWASP Top 10 mitigation strategies
• ASP.NET security features
• Secure development lifecycle

2. Final Discussion

• Secure coding best practices
• Embedding security within development teams
• Additional OWASP resources and tools
• Q&A and next steps