Examers.io
ExamsOrganizationsHow it worksPricingHelp & FAQ
EC-COUNCIL

EC-Council Certified Application Security Engineer (.NET)

CASENET

The EC-Council Certified Application Security Engineer (.NET) certification validates your ability to build secure .NET applications across the entire software development lifecycle. Designed for developers, testers, and security professionals, it goes beyond secure coding to cover secure design, architecture, and post-deployment security. Earning CASE.NET proves you can embed security into every phase of application development.

1596 practice questions · Updated 2026-07-30

8Domains
36Objectives
294Concepts
1596Questions

CASENET Curriculum

Every domain, objective, and concept the CASENET exam measures.

  1. Application Security Fundamentals
  2. Threat Modeling
  3. Attack Vectors and Techniques
  4. Security Principles and Best Practices

Most Common Application-Level Attacks

4 concepts · 28 questions
  1. Identify common application-level attack vectors
  2. Understand attack mechanics and impact
  3. Recognize attack indicators
  4. Apply mitigation strategies
  1. Common Vulnerability Causes
  2. Attack Surface and Threat Modeling
  3. Security vs. Functionality Trade-offs
  4. Lifecycle Security Gaps
  5. Human Factors in Security
  6. External and Internal Threat Sources
  7. Legacy and Third-Party Code Risks
  1. Software Security Standards Overview
  2. OWASP Top 10
  3. OWASP Software Assurance Maturity Model (SAMM)
  4. ISO/IEC 27034
  5. NIST Secure Software Development Framework (SSDF)
  6. CWE and CVE
  7. PCI DSS for Application Security
  8. ISO/IEC 27001 and 27002
  9. Security Models Overview
  10. Bell-LaPadula Model
  11. Biba Model
  12. Clark-Wilson Model
  13. Access Control Models
  14. Secure Development Frameworks
  15. Microsoft Security Development Lifecycle (SDL)
  16. OWASP OpenSAMM
  17. Building Security In Maturity Model (BSIMM)
  18. Common Criteria
  19. ISO/IEC 15408
  20. COBIT for Application Security
  21. ISO/IEC 27034-1
  22. Security Frameworks Comparison

Security Requirement Engineering (SRE)

6 concepts · 42 questions
  1. SRE Fundamentals
  2. Security Requirements Elicitation
  3. Security Requirements Analysis
  4. Security Requirements Specification
  5. Security Requirements Validation
  6. Security Requirements Management
  1. Abuse Case Definition
  2. Abuse Case vs. Use Case
  3. Abuse Case Creation Process
  4. Abuse Case Diagramming
  5. Security Use Case Definition
  6. Security Use Case Derivation
  7. Abuse and Security Use Case Integration
  1. SQUARE Overview
  2. SQUARE Process Steps
  3. Security Requirements Elicitation
  4. Risk Assessment in SQUARE
  5. Requirements Categorization and Prioritization
  6. SQUARE Outputs and Documentation
  7. SQUARE Integration with SDLC

OCTAVE

8 concepts · 52 questions
  1. OCTAVE Overview
  2. OCTAVE Phases
  3. OCTAVE Asset Identification
  4. OCTAVE Threat Identification
  5. OCTAVE Vulnerability Assessment
  6. OCTAVE Risk Analysis
  7. OCTAVE Mitigation Strategy
  8. OCTAVE Application to .NET

Threat Modeling

10 concepts · 52 questions
  1. Threat Modeling Fundamentals
  2. Threat Modeling Process
  3. Identifying Threats
  4. Threat Modeling Methodologies
  5. Applying STRIDE
  6. Modeling Data Flow
  7. Prioritizing Threats
  8. Mitigation Strategies
  9. Threat Modeling Tools
  10. Integrating Threat Modeling

Secure Design Principles

6 concepts · 48 questions
  1. Threat Modeling Fundamentals
  2. STRIDE Threat Classification
  3. Attack Surface Analysis
  4. Secure Design Principles
  5. Threat Modeling Process
  6. Mitigation Strategies

Secure Application Architecture

9 concepts · 54 questions
  1. Secure Architecture Principles
  2. Threat Modeling
  3. Security Design Patterns
  4. Architecture Security Layers
  5. Secure Communication
  6. Identity and Access Management Architecture
  7. Data Protection Architecture
  8. Secure Integration and APIs
  9. Security in Deployment and Operations

  1. Input Validation Approaches
  2. Filtering Techniques
  3. Whitelist Validation
  4. Blacklist Validation
  5. Canonicalization
  6. Client-Side vs Server-Side Validation
  7. Encoding and Decoding
  8. Regular Expressions for Validation
  9. Data Type and Length Validation

Input Validation for Web Forms

8 concepts · 34 questions
  1. Client-side vs server-side validation
  2. Common input validation vulnerabilities
  3. Validation techniques for web forms
  4. Encoding and output validation
  5. Validation controls in ASP.NET
  6. Custom validation logic
  7. Error handling and user feedback
  8. Validation for file uploads

Input Validation for ASP.NET Core

11 concepts · 46 questions
  1. Understanding Input Validation in ASP.NET Core
  2. Model Validation with Data Annotations
  3. Custom Validation Attributes
  4. IValidatableObject Interface
  5. Validation in Controller Actions
  6. Client-Side Validation
  7. Remote Validation
  8. Validation for API Controllers
  9. Manual Validation
  10. Handling Validation Errors
  11. Security Considerations in Validation

Input Validation for MVC

15 concepts · 52 questions
  1. MVC Input Validation Overview
  2. Client-Side vs Server-Side Validation
  3. Data Annotations for Validation
  4. Custom Validation Attributes
  5. IValidatableObject Interface
  6. ModelState and Validation Errors
  7. Validation in Controller Actions
  8. Remote Validation
  9. Anti-Forgery and Input Validation
  10. Encoding and Output Validation
  11. Validation for JSON and AJAX Requests
  12. Securing File Uploads
  13. Whitelist vs Blacklist Validation
  14. Regular Expression Validation
  15. Error Handling and Logging

  1. Authentication Threats
  2. Authorization Threats
  3. Threat Impact Analysis
  4. Mitigation Strategies
  1. Authentication in Web Forms
  2. Authorization in Web Forms
  3. ASP.NET Core Authentication
  4. ASP.NET Core Authorization
  5. MVC Authentication
  6. MVC Authorization
  7. Secure Authentication Practices
  8. Secure Authorization Practices
  1. Authentication Mechanisms
  2. Authorization Strategies
  3. Secure Session Management
  4. Password Storage and Validation
  5. Multi-Factor Authentication (MFA)
  6. Account Lockout and Brute-Force Protection
  7. Cross-Cutting Security Controls

  1. Symmetric Encryption Fundamentals
  2. Key Management in Symmetric Encryption
  3. Modes of Operation
  4. Padding and Initialization Vectors
  5. Defensive Coding for Symmetric Encryption
  1. Asymmetric encryption fundamentals
  2. Common asymmetric algorithms
  3. Key management in asymmetric systems
  4. Defensive coding for asymmetric encryption
  5. Hybrid encryption approaches
  6. Digital signatures and non-repudiation
  7. Secure implementation practices
  1. Hash Functions
  2. Common Hashing Algorithms
  3. Hashing for Data Integrity
  4. Password Hashing
  5. Digital Signatures Overview
  6. Digital Signature Creation and Verification
  7. Digital Signature Algorithms
  8. Digital Certificates Overview
  9. Certificate Authorities and PKI
  10. Certificate Lifecycle
  11. Certificate Validation
  12. Secure Implementation in .NET

Cryptographic Attacks

3 concepts · 40 questions
  1. Identify cryptographic attack types
  2. Analyze cryptographic weaknesses
  3. Apply countermeasures
  1. Overview of .NET Cryptography Namespaces
  2. Class Hierarchy of Cryptographic Classes
  3. Symmetric Algorithm Classes
  4. Asymmetric Algorithm Classes
  5. Hash Algorithm Classes
  6. Random Number Generator Classes
  7. Key Derivation and Padding Classes
  8. CryptoStream and Transform Classes

ASP.NET Session Management Techniques

8 concepts · 38 questions
  1. ASP.NET Session State Modes
  2. Session Configuration in web.config
  3. Session Lifecycle Management
  4. Session Identifiers and Security
  5. Cookieless Session Management
  6. Session State in Web Farms
  7. Session State Performance Optimization
  8. Session State Security Best Practices

ViewState-based Session Management

5 concepts · 38 questions
  1. ViewState Fundamentals
  2. ViewState Security Risks
  3. ViewState Encryption and Signing
  4. ViewState Session Integration
  5. ViewState Best Practices
  1. Session Management Fundamentals
  2. Secure Session ID Generation
  3. Session ID Transmission Protection
  4. Session ID Storage and Handling
  5. Session Expiration and Timeout
  6. Session Fixation Defense
  7. Session Hijacking Mitigation
  8. Secure Cookie Attributes
  9. Session Logout and Invalidation
  10. Session Management in .NET

Secure Exception Handling

8 concepts · 45 questions
  1. Secure exception handling principles
  2. Structured exception handling
  3. Avoiding information leakage
  4. Centralized error handling
  5. Logging exceptions securely
  6. Custom error pages and responses
  7. Exception handling in .NET
  8. Testing exception handling
  1. Information Disclosure Risks in Error Handling
  2. Safe Error Message Design
  3. Structured Exception Handling
  4. Centralized Error Logging
  5. Logging Sensitive Data Protection
  6. Log Obfuscation and Redaction
  7. Secure Log Storage and Access Control
  8. Error Handling in .NET Applications
  9. Logging Frameworks and Best Practices
  10. Monitoring and Alerting for Anomalies

Secure Auditing and Logging

8 concepts · 53 questions
  1. Purpose of Auditing and Logging
  2. Logging Best Practices
  3. Sensitive Data in Logs
  4. Log Integrity and Protection
  5. Audit Trail Management
  6. Logging Frameworks and Configuration
  7. Error Handling and Logging Integration
  8. Monitoring and Alerting

Tracing in .NET

9 concepts · 48 questions
  1. Tracing fundamentals
  2. Trace sources and listeners
  3. Trace switches
  4. Trace listeners
  5. Trace filtering
  6. Correlation and activity IDs
  7. Tracing in ASP.NET
  8. Tracing in .NET Core
  9. Best practices for tracing

  1. SAST Fundamentals
  2. SAST Tool Operation
  3. Identifying Common Vulnerabilities
  4. Interpreting SAST Results
  5. Integrating SAST into CI/CD
  6. SAST Configuration and Customization
  7. Remediation and Verification
  1. DAST Fundamentals
  2. DAST vs SAST vs IAST
  3. DAST Tools and Techniques
  4. Vulnerability Identification
  5. DAST Integration in SDLC
  6. Interpreting DAST Results
  7. DAST Limitations and Bypasses
  8. DAST Best Practices
  1. Host-level secure deployment
  2. Network-level secure deployment
  3. Application-level secure deployment
  4. Secure deployment lifecycle
  5. Deployment environment security
  6. Secure configuration management
  7. Deployment monitoring and logging

Web Application Firewall (WAF)

11 concepts · 50 questions
  1. WAF Fundamentals
  2. WAF vs. Other Security Controls
  3. WAF Deployment Modes
  4. WAF Rule Configuration
  5. OWASP Top 10 Mitigation
  6. Positive and Negative Security Models
  7. WAF Tuning and False Positives
  8. WAF Logging and Monitoring
  9. WAF Bypass Techniques
  10. WAF Integration in CI/CD
  11. WAF Performance and Availability

Security Maintenance and Monitoring

6 concepts · 47 questions
  1. Security Maintenance Planning
  2. Patch Management
  3. Logging and Monitoring Setup
  4. Security Incident Response
  5. Vulnerability Scanning and Assessment
  6. Compliance and Audit
Ready to practice?Test your knowledge with exam-style questions or take an intelligent quiz tailored to your level.

Percentages reflect share of the current practice bank, not official exam weightings — no structured per-skill weight is published for CASENET, so none is invented.