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Security Testing - Audit Trail Platform (ATP)

Security-first validation, compliance assured — ATP implements comprehensive security testing covering authentication/authorization validation, vulnerability scanning (OWASP Top 10), penetration testing, compliance testing (SOC 2, GDPR, HIPAA, PCI DSS), tamper-evidence verification, encryption validation, multi-tenant isolation testing, SAST/DAST, dependency vulnerability scanning, and automated security gates in CI/CD ensuring zero-trust architecture enforcement and regulatory compliance.


📋 Documentation Generation Plan

This document will be generated in 18 cycles. Current progress:

Cycle Topics Estimated Lines Status
Cycle 1 Security Testing Fundamentals (1-2) ~4,000 ⏳ Not Started
Cycle 2 Authentication & Authorization Testing (3-4) ~5,000 ⏳ Not Started
Cycle 3 API Security Testing (5-6) ~5,000 ⏳ Not Started
Cycle 4 Vulnerability Scanning & OWASP (7-8) ~5,500 ⏳ Not Started
Cycle 5 Penetration Testing (9-10) ~4,500 ⏳ Not Started
Cycle 6 Static Application Security Testing (SAST) (11-12) ~4,000 ⏳ Not Started
Cycle 7 Dynamic Application Security Testing (DAST) (13-14) ~4,000 ⏳ Not Started
Cycle 8 Dependency Vulnerability Scanning (15-16) ~3,500 ⏳ Not Started
Cycle 9 Encryption & Cryptography Testing (17-18) ~4,500 ⏳ Not Started
Cycle 10 Tamper-Evidence & Integrity Testing (19-20) ~4,500 ⏳ Not Started
Cycle 11 Multi-Tenant Isolation Testing (21-22) ~4,500 ⏳ Not Started
Cycle 12 Zero-Trust Architecture Testing (23-24) ~4,000 ⏳ Not Started
Cycle 13 Compliance Testing (SOC 2, GDPR, HIPAA, PCI DSS) (25-26) ~5,000 ⏳ Not Started
Cycle 14 Secrets Management Testing (27-28) ~3,500 ⏳ Not Started
Cycle 15 Infrastructure Security Testing (29-30) ~4,000 ⏳ Not Started
Cycle 16 Security Testing in CI/CD (31-32) ~4,000 ⏳ Not Started
Cycle 17 Security Test Automation & Tools (33-34) ~4,000 ⏳ Not Started
Cycle 18 Best Practices & Incident Response Testing (35-36) ~3,500 ⏳ Not Started

Total Estimated Lines: ~78,500


Purpose & Scope

This document provides the complete security testing implementation guide for ATP, covering authentication/authorization testing, vulnerability scanning (OWASP Top 10), penetration testing, compliance validation (SOC 2, GDPR, HIPAA, PCI DSS), tamper-evidence testing, encryption validation, multi-tenant isolation testing, SAST/DAST, dependency vulnerability scanning, zero-trust architecture testing, and CI/CD security gates for ensuring comprehensive security validation and regulatory compliance.

Why Comprehensive Security Testing for ATP?

  1. Zero-Trust Enforcement: Validate "never trust, always verify" principles
  2. Compliance Validation: Ensure SOC 2, GDPR, HIPAA, PCI DSS requirements met
  3. Tamper-Evidence: Verify audit record integrity and tamper detection
  4. Multi-Tenant Security: Validate tenant isolation (no data leakage)
  5. Vulnerability Prevention: Catch security flaws before production
  6. Authentication/Authorization: Verify access controls work correctly
  7. Encryption Validation: Ensure data protection at rest and in transit
  8. Attack Surface Reduction: Identify and mitigate security risks
  9. Regulatory Audits: Provide evidence for compliance audits
  10. Incident Prevention: Proactive security validation prevents breaches

Security Testing Types

1. Authentication Testing
   - JWT token validation
   - OAuth 2.0 flows
   - Session management
   - Password policies
   - MFA validation

2. Authorization Testing
   - Role-based access control (RBAC)
   - Permission checks
   - Scope validation
   - Tenant isolation
   - Break-glass procedures

3. Vulnerability Scanning
   - OWASP Top 10 validation
   - CWE (Common Weakness Enumeration)
   - Known CVEs
   - Configuration vulnerabilities

4. Penetration Testing
   - Manual security assessment
   - Exploit attempts
   - Social engineering simulation
   - Physical security (if applicable)

5. SAST (Static Analysis)
   - Source code scanning
   - Security pattern detection
   - Hardcoded secrets detection
   - Weak cryptography detection

6. DAST (Dynamic Analysis)
   - Runtime vulnerability detection
   - API security testing
   - Web application scanning
   - Runtime behavior analysis

7. Dependency Scanning
   - Known vulnerabilities in packages
   - License compliance
   - Outdated dependencies
   - Transitive dependencies

8. Compliance Testing
   - SOC 2 controls validation
   - GDPR requirements
   - HIPAA security rules
   - PCI DSS requirements

9. Encryption Testing
   - TLS/SSL validation
   - Encryption at rest
   - Key management
   - Certificate validation

10. Tamper-Evidence Testing
    - Integrity verification
    - Hash chain validation
    - Digital signature verification
    - WORM storage validation

ATP Security Testing Stack

Static Analysis (SAST):
- SonarQube (code quality + security)
- Security Code Scan
- Pylint/Bandit (if Python code)
- ESLint security plugins

Dynamic Analysis (DAST):
- OWASP ZAP (web app scanning)
- Burp Suite (professional penetration testing)
- Nessus (infrastructure scanning)
- Nuclei (vulnerability scanning)

Dependency Scanning:
- OWASP Dependency-Check
- Snyk
- WhiteSource/Mend
- Dependabot (GitHub)
- NuGet security scanning

API Security Testing:
- Postman/Newman (API security tests)
- REST Assured (Java)
- Karate DSL
- API Fortress

Compliance Testing:
- Custom compliance test suites
- Policy-as-code (OPA)
- Compliance automation frameworks

Infrastructure Security:
- Checkov (IaC scanning)
- Terrascan
- Azure Security Center
- Kubernetes security scanning

Penetration Testing:
- Manual security assessments
- Automated exploit frameworks
- Red team exercises

Authentication/Authorization Testing:
- Custom test suites
- OAuth 2.0 test tools
- JWT validation libraries

ATP Security Requirements

Zero-Trust Principles:
- All traffic authenticated and authorized
- mTLS for inter-service communication
- Least privilege access
- Continuous verification

Multi-Tenant Isolation:
- Row-level security (RLS)
- Tenant data encryption
- No cross-tenant queries
- Tenant-specific secrets

Data Protection:
- Encryption at rest (AES-256)
- Encryption in transit (TLS 1.3)
- Key rotation
- Secure key storage (Azure Key Vault)

Audit Integrity:
- Tamper-evidence (hash chains, signatures)
- WORM storage
- Immutable audit logs
- Integrity verification

Compliance:
- SOC 2 Type II
- GDPR (EU data protection)
- HIPAA (US healthcare)
- PCI DSS (payment processing)

Access Control:
- JWT-based authentication
- RBAC with scopes
- Multi-factor authentication (MFA)
- Break-glass procedures

Detailed Cycle Plan

CYCLE 1: Security Testing Fundamentals (~4,000 lines)

Topic 1: Security Testing Philosophy

What will be covered: - What is Security Testing?

Definition:
Security testing validates that ATP meets security requirements,
identifies vulnerabilities, and ensures compliance with security
standards and regulations.

Objectives:
1. Identify security vulnerabilities
2. Validate security controls (authentication, authorization, encryption)
3. Ensure compliance (SOC 2, GDPR, HIPAA, PCI DSS)
4. Validate tamper-evidence and integrity
5. Test multi-tenant isolation
6. Verify zero-trust architecture
7. Prevent security incidents
8. Provide audit evidence

ATP Focus:
- Authentication/authorization (JWT, OAuth, RBAC)
- Multi-tenant isolation (RLS, encryption, access control)
- Tamper-evidence (hash chains, signatures, WORM)
- Compliance (SOC 2, GDPR, HIPAA, PCI DSS)
- Encryption (at rest, in transit)
- Vulnerability prevention (OWASP Top 10)

  • Security Testing vs. Functional Testing

    Functional Testing:
    - Tests: "Does it work correctly?"
    - Focus: Business requirements
    - Example: "Can user ingest audit event?"
    
    Security Testing:
    - Tests: "Can it be exploited?"
    - Focus: Security requirements
    - Example: "Can unauthorized user access audit data?"
    
    Relationship:
    - Security testing complements functional testing
    - Both required for production readiness
    - Security tests run in addition to functional tests
    

  • Security Testing Pyramid

            /\
           /  \  Penetration Testing (Manual)
          /____\
         /      \  DAST (Dynamic Analysis)
        /________\
       /          \  SAST (Static Analysis)
      /____________\
     /              \  Unit Security Tests (Automated)
    /________________\
    
    Unit Security Tests (70%):
    - Fast, automated
    - Authentication/authorization logic
    - Encryption/decryption
    - Input validation
    - Example: "JWT token validation test"
    
    SAST (20%):
    - Source code scanning
    - Automated vulnerability detection
    - Security pattern matching
    - Example: "Hardcoded secrets detection"
    
    DAST (8%):
    - Runtime vulnerability scanning
    - API security testing
    - Web application scanning
    - Example: "OWASP ZAP scan"
    
    Penetration Testing (2%):
    - Manual security assessment
    - Exploit attempts
    - Red team exercises
    - Example: "Full penetration test (quarterly)"
    

  • Security Testing Principles

    1. Shift-Left Security
       - Test security as early as possible (development)
       - SAST in IDE, pre-commit hooks
       - Security tests in CI/CD
    
    2. Defense in Depth
       - Multiple layers of security testing
       - Unit tests + SAST + DAST + Penetration testing
       - No single point of failure
    
    3. Continuous Security Testing
       - Automated security tests in CI/CD
       - Regular dependency scanning
       - Continuous vulnerability monitoring
    
    4. Compliance-Driven
       - Tests aligned with compliance requirements
       - SOC 2, GDPR, HIPAA controls validation
       - Audit-ready test evidence
    
    5. Threat Model-Based
       - Tests based on threat model
       - Focus on high-risk areas
       - Attack surface coverage
    
    6. Zero-Trust Validation
       - Test "never trust, always verify"
       - Validate all authentication/authorization
       - Test tenant isolation
    
    7. Realistic Attack Scenarios
       - Test actual attack patterns
       - OWASP Top 10 coverage
       - Known vulnerability patterns
    

Code Examples: - Security testing concepts - Test type comparisons - Security test examples

Diagrams: - Security testing pyramid - Testing flow - Defense in depth

Deliverables: - Security testing fundamentals guide - Philosophy document - Test type matrix


Topic 2: ATP Security Testing Strategy

What will be covered: - ATP Security Testing Strategy

Test Levels:

1. Unit Security Tests
   - Authentication/authorization logic
   - Encryption/decryption
   - Input validation
   - Business rule security
   - Frequency: On every commit

2. Integration Security Tests
   - API security (authentication, authorization)
   - Multi-tenant isolation
   - Encryption validation
   - Frequency: On every PR

3. SAST (Static Analysis)
   - Source code scanning
   - Vulnerability detection
   - Frequency: On every commit

4. Dependency Scanning
   - Known vulnerabilities
   - License compliance
   - Frequency: Daily

5. DAST (Dynamic Analysis)
   - Runtime vulnerability scanning
   - API security testing
   - Frequency: Weekly (staging)

6. Compliance Testing
   - SOC 2 controls
   - GDPR requirements
   - Frequency: Monthly

7. Penetration Testing
   - Manual security assessment
   - Exploit attempts
   - Frequency: Quarterly

  • Security Test Execution Schedule

    Continuous (CI/CD):
    - Unit security tests (every commit)
    - SAST (every commit)
    - Dependency scanning (daily)
    - Integration security tests (every PR)
    
    Weekly:
    - DAST scans (staging environment)
    - API security tests
    - Vulnerability assessment
    
    Monthly:
    - Compliance testing
    - Security test review
    - Threat model updates
    
    Quarterly:
    - Full penetration testing
    - Red team exercises
    - Security audit review
    

  • Security Test Coverage

    Authentication: 100%
    Authorization: 100%
    Encryption: 100%
    Input Validation: 100%
    Multi-Tenant Isolation: 100%
    Tamper-Evidence: 100%
    OWASP Top 10: 100%
    Compliance Controls: 100%
    

Code Examples: - Strategy documentation - Execution schedules - Coverage matrices

Diagrams: - Test execution timeline - Coverage visualization

Deliverables: - Security testing strategy document - Execution calendar - Coverage requirements


CYCLE 2: Authentication & Authorization Testing (~5,000 lines)

Topic 3: Authentication Testing

What will be covered: - JWT Token Testing

[TestClass]
public class AuthenticationTests
{
    [TestMethod]
    public void ValidateJWT_WithValidToken_Should_Succeed()
    {
        // Arrange
        var token = GenerateJWTToken(tenantId: "acme-corp", roles: new[] { "audit:write" });

        // Act
        var claims = _jwtValidator.ValidateToken(token);

        // Assert
        Assert.IsNotNull(claims);
        Assert.AreEqual("acme-corp", claims.TenantId);
        Assert.IsTrue(claims.Roles.Contains("audit:write"));
    }

    [TestMethod]
    public void ValidateJWT_WithExpiredToken_Should_Reject()
    {
        // Arrange
        var expiredToken = GenerateJWTToken(expiresIn: TimeSpan.FromMinutes(-10));

        // Act & Assert
        Assert.ThrowsException<TokenExpiredException>(() =>
            _jwtValidator.ValidateToken(expiredToken));
    }

    [TestMethod]
    public void ValidateJWT_WithInvalidSignature_Should_Reject()
    {
        // Arrange
        var tamperedToken = GenerateJWTToken() + "tampered";

        // Act & Assert
        Assert.ThrowsException<InvalidTokenException>(() =>
            _jwtValidator.ValidateToken(tamperedToken));
    }

    [TestMethod]
    public void ValidateJWT_WithMissingClaims_Should_Reject()
    {
        // Arrange
        var tokenWithoutTenant = GenerateJWTToken(includeTenantId: false);

        // Act & Assert
        Assert.ThrowsException<MissingClaimException>(() =>
            _jwtValidator.ValidateToken(tokenWithoutTenant));
    }
}

  • OAuth 2.0 Flow Testing

    [TestMethod]
    public async Task OAuth2_AuthorizationCodeFlow_Should_Succeed()
        {
            // Arrange
            var authorizationUrl = "https://auth.atp.test/oauth2/authorize";
            var tokenUrl = "https://auth.atp.test/oauth2/token";
    
            // Act - Step 1: Get authorization code
            var authResponse = await _httpClient.GetAsync($"{authorizationUrl}?client_id=test&redirect_uri=http://test&response_type=code");
            var authCode = ExtractAuthorizationCode(authResponse);
    
            // Act - Step 2: Exchange code for token
            var tokenResponse = await _httpClient.PostAsync(tokenUrl, new FormUrlEncodedContent(new[]
            {
                new KeyValuePair<string, string>("grant_type", "authorization_code"),
                new KeyValuePair<string, string>("code", authCode),
                new KeyValuePair<string, string>("client_id", "test"),
                new KeyValuePair<string, string>("client_secret", "secret"),
            }));
    
            var token = await tokenResponse.Content.ReadFromJsonAsync<AccessToken>();
    
            // Assert
            Assert.AreEqual(HttpStatusCode.OK, tokenResponse.StatusCode);
            Assert.IsNotNull(token.AccessToken);
            Assert.IsTrue(token.ExpiresIn > 0);
        }
    

  • MFA (Multi-Factor Authentication) Testing

  • Session Management Testing
  • Password Policy Testing

Code Examples: - Complete authentication test suites - JWT validation tests - OAuth 2.0 flow tests - MFA tests

Deliverables: - Authentication testing guide - Test suite templates


Topic 4: Authorization Testing

What will be covered: - RBAC (Role-Based Access Control) Testing

[TestMethod]
public async Task IngestEvent_WithWritePermission_Should_Succeed()
    {
        // Arrange
        var token = GenerateJWTToken(roles: new[] { "audit:write" });
        _httpClient.DefaultRequestHeaders.Authorization = 
            new AuthenticationHeaderValue("Bearer", token);

        var auditEvent = CreateAuditEvent();

        // Act
        var response = await _httpClient.PostAsJsonAsync("/api/v1/audit/ingest", auditEvent);

        // Assert
        Assert.AreEqual(HttpStatusCode.Created, response.StatusCode);
    }

    [TestMethod]
    public async Task IngestEvent_WithReadOnlyPermission_Should_Reject()
    {
        // Arrange
        var token = GenerateJWTToken(roles: new[] { "audit:read" });  // Read-only
        _httpClient.DefaultRequestHeaders.Authorization = 
            new AuthenticationHeaderValue("Bearer", token);

        var auditEvent = CreateAuditEvent();

        // Act
        var response = await _httpClient.PostAsJsonAsync("/api/v1/audit/ingest", auditEvent);

        // Assert
        Assert.AreEqual(HttpStatusCode.Forbidden, response.StatusCode);
    }

    [TestMethod]
    public async Task QueryEvents_FromOtherTenant_Should_ReturnEmpty()
    {
        // Arrange
        var tenant1Token = GenerateJWTToken(tenantId: "tenant-1", roles: new[] { "audit:read" });
        var tenant2Token = GenerateJWTToken(tenantId: "tenant-2", roles: new[] { "audit:read" });

        // Create data for tenant-1
        await CreateAuditEventsAsync("tenant-1", count: 10);

        // Act - Query with tenant-2 token
        _httpClient.DefaultRequestHeaders.Authorization = 
            new AuthenticationHeaderValue("Bearer", tenant2Token);
        var response = await _httpClient.GetAsync("/api/v1/audit/query");
        var results = await response.Content.ReadFromJsonAsync<QueryResult>();

        // Assert
        Assert.AreEqual(HttpStatusCode.OK, response.StatusCode);
        Assert.AreEqual(0, results.Items.Count);  // Should see no tenant-1 data
    }

  • Scope Validation Testing
  • Permission Checks
  • Break-Glass Procedures Testing
  • Tenant Isolation Testing

Code Examples: - Complete authorization test suites - RBAC tests - Tenant isolation tests - Break-glass tests

Deliverables: - Authorization testing guide - Test suite templates


CYCLE 3: API Security Testing (~5,000 lines)

Topic 5: API Security Validation

What will be covered: - OWASP API Security Top 10 Testing

OWASP API Security Top 10:
1. Broken Object Level Authorization (BOLA)
2. Broken Authentication
3. Broken Object Property Level Authorization
4. Unrestricted Resource Consumption
5. Broken Function Level Authorization
6. Unrestricted Access to Sensitive Business Flows
7. Server Side Request Forgery (SSRF)
8. Security Misconfiguration
9. Improper Inventory Management
10. Unsafe Consumption of APIs

  • API Input Validation Testing

    [TestMethod]
    public async Task IngestEvent_WithSQLInjection_Should_Reject()
        {
            // Arrange
            var maliciousEvent = new AuditEvent
            {
                EventType = "user.action'; DROP TABLE AuditRecords; --",
                Payload = "malicious payload"
            };
    
            // Act
            var response = await _httpClient.PostAsJsonAsync("/api/v1/audit/ingest", maliciousEvent);
    
            // Assert
            Assert.AreEqual(HttpStatusCode.BadRequest, response.StatusCode);
            Assert.IsFalse(await ContainsSQLInjectionAsync());  // Verify DB not affected
        }
    
        [TestMethod]
        public async Task IngestEvent_WithXSS_Should_Sanitize()
        {
            // Arrange
            var xssEvent = new AuditEvent
            {
                EventType = "user.action",
                Payload = "<script>alert('XSS')</script>"
            };
    
            // Act
            var response = await _httpClient.PostAsJsonAsync("/api/v1/audit/ingest", xssEvent);
            var savedEvent = await GetSavedEventAsync();
    
            // Assert
            Assert.IsFalse(savedEvent.Payload.Contains("<script>"));
        }
    
        [TestMethod]
        public async Task IngestEvent_WithOversizedPayload_Should_Reject()
        {
            // Arrange
            var oversizedPayload = new string('x', 10 * 1024 * 1024);  // 10MB
            var event = new AuditEvent { Payload = oversizedPayload };
    
            // Act
            var response = await _httpClient.PostAsJsonAsync("/api/v1/audit/ingest", event);
    
            // Assert
            Assert.AreEqual(HttpStatusCode.PayloadTooLarge, response.StatusCode);
        }
    

  • Rate Limiting Security Testing

  • CORS Testing
  • API Versioning Security

Code Examples: - OWASP API Top 10 test suite - Input validation tests - Rate limiting tests

Deliverables: - API security testing guide - OWASP coverage matrix


Topic 6: API Penetration Testing

What will be covered: - Manual API Security Assessment - Exploit Attempts - Fuzzing Tests - Burp Suite Integration

Code Examples: - Penetration test scenarios - Fuzzing scripts

Deliverables: - API penetration testing guide


CYCLE 4: Vulnerability Scanning & OWASP (~5,500 lines)

Topic 7: OWASP Top 10 Testing

What will be covered: - OWASP Top 10 2021 Coverage

1. Broken Access Control
   - Unauthorized access attempts
   - Privilege escalation
   - Insecure direct object references

2. Cryptographic Failures
   - Weak encryption
   - Hardcoded secrets
   - Insecure key management

3. Injection
   - SQL injection
   - NoSQL injection
   - Command injection
   - LDAP injection

4. Insecure Design
   - Missing security controls
   - Flawed threat modeling
   - Insecure defaults

5. Security Misconfiguration
   - Default credentials
   - Unnecessary features enabled
   - Insecure headers

6. Vulnerable and Outdated Components
   - Known CVEs in dependencies
   - Outdated libraries
   - Unsupported software

7. Identification and Authentication Failures
   - Weak passwords
   - Missing MFA
   - Session fixation

8. Software and Data Integrity Failures
   - Insecure CI/CD
   - Unsigned updates
   - Dependency confusion

9. Security Logging and Monitoring Failures
   - Missing security logs
   - Inadequate monitoring
   - No alerting

10. Server-Side Request Forgery (SSRF)
    - External resource access
    - Internal network exposure

  • OWASP Testing Checklists
  • Automated OWASP Testing Tools

Code Examples: - OWASP Top 10 test suites - Automated test scripts

Deliverables: - OWASP testing guide - Coverage checklist


Topic 8: Vulnerability Scanning Tools

What will be covered: - OWASP ZAP (Dynamic Scanning) - Burp Suite (Professional) - Nessus (Infrastructure) - Nuclei (Vulnerability Scanning)

Code Examples: - Tool configurations - Scan scripts

Deliverables: - Vulnerability scanning guide


CYCLE 5: Penetration Testing (~4,500 lines)

Topic 9: Penetration Testing Methodology

What will be covered: - Penetration Testing Phases

1. Reconnaissance
   - Information gathering
   - Attack surface mapping
   - Vulnerability identification

2. Scanning
   - Port scanning
   - Service enumeration
   - Vulnerability scanning

3. Exploitation
   - Exploit attempts
   - Privilege escalation
   - Lateral movement

4. Post-Exploitation
   - Data exfiltration simulation
   - Persistence mechanisms
   - Impact assessment

5. Reporting
   - Findings documentation
   - Risk assessment
   - Remediation recommendations

  • ATP Penetration Testing Scenarios
  • Red Team Exercises

Deliverables: - Penetration testing guide


Topic 10: Penetration Testing Tools

What will be covered: - Metasploit - Nmap - Burp Suite - OWASP ZAP

Deliverables: - Tool usage guide


CYCLE 6: Static Application Security Testing (SAST) (~4,000 lines)

Topic 11: SAST Fundamentals

What will be covered: - What is SAST?

Static Application Security Testing (SAST):
- Analyzes source code for security vulnerabilities
- Finds issues without executing code
- Fast feedback in development
- Integrated into IDE and CI/CD

ATP SAST Tools:
- SonarQube (code quality + security)
- Security Code Scan (C#)
- Pylint/Bandit (Python, if any)
- ESLint security plugins (JavaScript/TypeScript)

  • SonarQube Security Rules

    # sonar-project.properties
    sonar.projectKey=atp.ingestion
    sonar.sources=src
    sonar.exclusions=**/Migrations/**,**/TestResults/**
    sonar.security.hotspots=true
    sonar.security.vulnerabilities=true
    
    # Security rules
    - Hardcoded secrets
    - SQL injection
    - XSS vulnerabilities
    - Insecure random number generation
    - Weak cryptography
    - Insecure deserialization
    

  • Security Code Scan Integration

    <!-- PackageReference -->
    <PackageReference Include="SecurityCodeScan.VS2019" Version="5.6.7" />
    
    <!-- Security rules -->
    - Hardcoded passwords
    - SQL injection
    - XPath injection
    - Command injection
    - Weak cryptography
    - Insecure deserialization
    

Code Examples: - SAST configurations - Security rule examples

Deliverables: - SAST setup guide - Rule catalog


Topic 12: SAST in CI/CD

What will be covered: - Azure Pipelines Integration - Quality Gates - Security Metrics

Deliverables: - CI/CD integration guide


CYCLE 7: Dynamic Application Security Testing (DAST) (~4,000 lines)

Topic 13: DAST Fundamentals

What will be covered: - What is DAST?

Dynamic Application Security Testing (DAST):
- Tests running application for vulnerabilities
- Runtime behavior analysis
- Identifies issues not visible in source code
- Tests actual attack scenarios

  • OWASP ZAP Integration
  • Burp Suite Scanning

Deliverables: - DAST setup guide


Topic 14: DAST Automation

What will be covered: - Automated DAST Scans - CI/CD Integration - Scan Scheduling

Deliverables: - DAST automation guide


CYCLE 8: Dependency Vulnerability Scanning (~3,500 lines)

Topic 15: Dependency Scanning

What will be covered: - OWASP Dependency-Check

# Scan .NET dependencies
dependency-check.sh --project "ATP" --scan "src/" --format "HTML" --out "reports/"

# Scan NuGet packages
dotnet list package --vulnerable --include-transitive

# OWASP Dependency-Check for .NET
dotnet tool install -g dotnet-retire
dotnet retire

  • Snyk Integration
  • Dependabot (GitHub)
  • WhiteSource/Mend

Code Examples: - Dependency scanning scripts - CI/CD integration

Deliverables: - Dependency scanning guide


Topic 16: Dependency Management

What will be covered: - Vulnerability Remediation - License Compliance - Dependency Update Policies

Deliverables: - Dependency management guide


CYCLE 9: Encryption & Cryptography Testing (~4,500 lines)

Topic 17: Encryption Validation

What will be covered: - TLS/SSL Testing

[TestMethod]
public void TLS_Should_UseMinimumVersion()
    {
        // Arrange
        var handler = new HttpClientHandler
        {
            SslProtocols = SslProtocols.Tls13 | SslProtocols.Tls12
        };
        var client = new HttpClient(handler);

        // Act
        var response = client.GetAsync("https://gateway.atp.test/health").Result;

        // Assert
        Assert.AreEqual(HttpStatusCode.OK, response.StatusCode);
        // Verify TLS 1.3 or 1.2 used (check connection details)
    }

  • Encryption at Rest Testing
  • Key Management Testing
  • Certificate Validation

Code Examples: - Encryption test suites - TLS validation tests

Deliverables: - Encryption testing guide


Topic 18: Cryptographic Implementation Testing

What will be covered: - Hash Algorithm Validation - Digital Signature Testing - Key Rotation Testing - Cryptographic Weakness Detection

Deliverables: - Cryptography testing guide


CYCLE 10: Tamper-Evidence & Integrity Testing (~4,500 lines)

Topic 19: Tamper-Evidence Testing

What will be covered: - Hash Chain Validation

[TestMethod]
public async Task HashChain_AfterTampering_Should_Detect()
    {
        // Arrange
        var record1 = await IngestEventAsync("event-1");
        var record2 = await IngestEventAsync("event-2");

        // Tamper with record1
        await TamperRecordAsync(record1.Id);

        // Act
        var verificationResult = await _integrityService.VerifyChainAsync(
            fromRecordId: record1.Id,
            toRecordId: record2.Id);

        // Assert
        Assert.IsFalse(verificationResult.IsValid);
        Assert.IsTrue(verificationResult.TamperedRecords.Contains(record1.Id));
    }

  • Digital Signature Verification
  • Merkle Tree Validation
  • WORM Storage Testing

Code Examples: - Tamper-evidence test suites - Integrity verification tests

Deliverables: - Tamper-evidence testing guide


Topic 20: Integrity Verification Testing

What will be covered: - End-to-End Integrity Tests - Verification Performance Tests - Anomaly Detection Tests

Deliverables: - Integrity testing guide


CYCLE 11: Multi-Tenant Isolation Testing (~4,500 lines)

Topic 21: Tenant Isolation Validation

What will be covered: - RLS (Row-Level Security) Testing

[TestMethod]
public async Task Query_WithTenantContext_Should_ReturnOnlyTenantData()
    {
        // Arrange
        await SeedDataAsync("tenant-1", count: 10);
        await SeedDataAsync("tenant-2", count: 10);

        // Act - Query with tenant-1 context
        var tenant1Token = GenerateJWTToken(tenantId: "tenant-1");
        _httpClient.DefaultRequestHeaders.Authorization = 
            new AuthenticationHeaderValue("Bearer", tenant1Token);
        var response = await _httpClient.GetAsync("/api/v1/audit/query");
        var results = await response.Content.ReadFromJsonAsync<QueryResult>();

        // Assert
        Assert.AreEqual(10, results.Items.Count);
        Assert.IsTrue(results.Items.All(r => r.TenantId == "tenant-1"));
    }

    [TestMethod]
    public async Task Query_WithSQLInjection_Should_NotBypassRLS()
    {
        // Arrange
        await SeedDataAsync("tenant-1", count: 10);
        var maliciousQuery = "tenantId='tenant-1' OR '1'='1'";

        // Act
        var response = await _httpClient.GetAsync($"/api/v1/audit/query?filter={maliciousQuery}");

        // Assert
        // Should still only return tenant-1 data (RLS enforced at DB level)
        var results = await response.Content.ReadFromJsonAsync<QueryResult>();
        Assert.AreEqual(10, results.Items.Count);
        Assert.IsTrue(results.Items.All(r => r.TenantId == "tenant-1"));
    }

  • Cross-Tenant Access Prevention
  • Tenant Data Encryption
  • Noisy Neighbor Prevention

Code Examples: - Tenant isolation test suites - RLS validation tests

Deliverables: - Multi-tenant isolation testing guide


Topic 22: Tenant Security Testing

What will be covered: - Tenant-Specific Secrets - Tenant Quota Enforcement - Tenant Data Residency

Deliverables: - Tenant security testing guide


CYCLE 12: Zero-Trust Architecture Testing (~4,000 lines)

Topic 23: Zero-Trust Validation

What will be covered: - mTLS Testing - Workload Identity Testing - Policy Enforcement Testing - Continuous Verification Testing

Code Examples: - Zero-trust test suites

Deliverables: - Zero-trust testing guide


Topic 24: Network Security Testing

What will be covered: - Network Segmentation Testing - Firewall Rules Testing - Private Endpoint Testing

Deliverables: - Network security testing guide


CYCLE 13: Compliance Testing (~5,000 lines)

Topic 25: SOC 2 Testing

What will be covered: - SOC 2 Control Testing

SOC 2 Trust Service Criteria:
- Security
- Availability
- Processing Integrity
- Confidentiality
- Privacy

ATP SOC 2 Tests:
- Access controls
- Encryption
- Monitoring
- Change management
- Incident response

  • Control Validation Tests
  • Audit Evidence Collection

Deliverables: - SOC 2 testing guide


Topic 26: GDPR, HIPAA, PCI DSS Testing

What will be covered: - GDPR Compliance Testing

GDPR Requirements:
- Data minimization
- Right to erasure
- Data portability
- Privacy by design
- Breach notification

  • HIPAA Security Rules Testing
  • PCI DSS Requirements Testing

Deliverables: - Compliance testing guide


CYCLE 14: Secrets Management Testing (~3,500 lines)

Topic 27: Secrets Management Validation

What will be covered: - Azure Key Vault Testing - Hardcoded Secrets Detection - Secret Rotation Testing - Access Control Testing

Code Examples: - Secrets management tests

Deliverables: - Secrets management testing guide


Topic 28: Credential Security Testing

What will be covered: - Password Policy Testing - Credential Storage Testing - Token Security Testing

Deliverables: - Credential security guide


CYCLE 15: Infrastructure Security Testing (~4,000 lines)

Topic 29: Infrastructure Security

What will be covered: - IaC Security Scanning (Checkov, Terrascan) - Kubernetes Security Testing - Azure Security Center Integration - Container Security Testing

Deliverables: - Infrastructure security testing guide


Topic 30: Configuration Security Testing

What will be covered: - Security Misconfiguration Detection - Default Credentials Testing - Insecure Headers Testing

Deliverables: - Configuration security guide


CYCLE 16: Security Testing in CI/CD (~4,000 lines)

Topic 31: CI/CD Security Gates

What will be covered: - Azure Pipelines Security Gates

- task: SonarQubePrepare@5
  inputs:
    SonarQube: 'SonarQube'
    scannerMode: 'CLI'
    configMode: 'manual'
    cliProjectKey: 'atp.ingestion'
    cliProjectName: 'ATP Ingestion'
    extraProperties: |
      sonar.security.hotspots=true
      sonar.security.vulnerabilities=true

- task: OWASPDependencyCheck@5
  inputs:
    projectName: 'ATP'
    scanPath: 'src/'
    format: 'HTML'

- task: WhiteSource@21
  inputs:
    cwd: 'src/'

# Security gate: Fail if critical vulnerabilities
- task: AzurePowerShell@5
  inputs:
    azureSubscription: 'ATP-DevOps'
    ScriptType: 'InlineScript'
    Inline: |
      $vulnerabilities = Get-Content vulnerabilities.json | ConvertFrom-Json
      $critical = $vulnerabilities | Where-Object { $_.severity -eq "Critical" }
      if ($critical.Count -gt 0) {
        Write-Error "Critical vulnerabilities found: $($critical.Count)"
        exit 1
      }

  • Security Quality Gates
  • Automated Security Reports

Deliverables: - CI/CD security integration guide


Topic 32: Security Test Reporting

What will be covered: - Security Metrics Dashboards - Vulnerability Reports - Compliance Evidence

Deliverables: - Security reporting guide


CYCLE 17: Security Test Automation & Tools (~4,000 lines)

Topic 33: Security Testing Tools

What will be covered: - Tool Comparison Matrix - Tool Integration Patterns - Custom Security Testing Frameworks

Deliverables: - Security tools catalog


Topic 34: Security Test Automation

What will be covered: - Test Automation Frameworks - Security Test Orchestration - Continuous Security Monitoring

Deliverables: - Security automation guide


CYCLE 18: Best Practices & Incident Response Testing (~3,500 lines)

Topic 35: Security Testing Best Practices

What will be covered: - Best Practices Checklist

✅ DO:
- Test security as early as possible (shift-left)
- Automate security tests in CI/CD
- Test all authentication/authorization paths
- Validate multi-tenant isolation
- Test tamper-evidence mechanisms
- Regular dependency scanning
- OWASP Top 10 coverage
- Compliance control validation
- Regular penetration testing
- Security metrics tracking

❌ DON'T:
- Skip security tests for "quick fixes"
- Ignore "low severity" vulnerabilities
- Rely only on automated tools
- Test only happy paths
- Ignore false positives without investigation
- Skip compliance testing
- Forget to test tenant isolation
- Ignore dependency vulnerabilities
- Skip regular penetration testing
- Ignore security metrics trends

Deliverables: - Best practices guide


Topic 36: Incident Response Testing

What will be covered: - Security Incident Simulation - Breach Response Testing - Recovery Procedures Testing

Deliverables: - Incident response testing guide


Summary of Deliverables

Complete security testing implementation covering:

  1. Fundamentals: Philosophy, strategy, test types
  2. Authentication/Authorization: JWT, OAuth, RBAC, MFA
  3. API Security: OWASP API Top 10, input validation
  4. Vulnerability Scanning: OWASP Top 10, scanning tools
  5. Penetration Testing: Methodology, tools, scenarios
  6. SAST: SonarQube, Security Code Scan
  7. DAST: OWASP ZAP, Burp Suite
  8. Dependency Scanning: OWASP Dependency-Check, Snyk
  9. Encryption: TLS, encryption at rest, key management
  10. Tamper-Evidence: Hash chains, signatures, integrity
  11. Multi-Tenant: RLS, isolation, cross-tenant prevention
  12. Zero-Trust: mTLS, workload identity, policy enforcement
  13. Compliance: SOC 2, GDPR, HIPAA, PCI DSS
  14. Secrets Management: Key Vault, secret detection
  15. Infrastructure: IaC scanning, Kubernetes security
  16. CI/CD: Security gates, automated testing
  17. Automation: Tools, frameworks, orchestration
  18. Operations: Best practices, incident response


This security testing guide provides complete implementation for ATP's security validation, from authentication/authorization testing and vulnerability scanning (OWASP Top 10) to penetration testing, compliance validation (SOC 2, GDPR, HIPAA, PCI DSS), tamper-evidence verification, encryption validation, multi-tenant isolation testing, SAST/DAST, dependency vulnerability scanning, zero-trust architecture testing, and automated security gates in CI/CD ensuring comprehensive security validation, zero-trust enforcement, and regulatory compliance with audit-ready evidence.