Add deployment safety checklist for PR #117 demo environment

Co-authored-by: CalinL <10718943+CalinL@users.noreply.github.com>

Author: Copilot

DEPLOYMENT_SAFETY_CHECKLIST_PR117.md

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+# PR #117 Deployment Safety Checklist
+## Pre-Deployment Verification for Demo Environment
+
+**PR:** #117 - DevSecOps-2649 Demo Page with Intentional Vulnerabilities  
+**Review Status:** ✅ APPROVED WITH CONDITIONS  
+**Reviewer:** Security Code Reviewer Agent  
+**Date:** 2026-02-06
+
+---
+
+## ⚠️ CRITICAL WARNING
+
+This PR contains **intentional security vulnerabilities** for educational purposes. Improper deployment will result in:
+- 🔴 Credential compromise
+- 🔴 Database breach
+- 🔴 Data exfiltration
+- 🔴 Compliance violations
+- 🔴 Legal liability
+
+**DO NOT proceed unless ALL items below are verified.**
+
+---
+
+## Pre-Deployment Checklist
+
+### 🔐 Environment Isolation
+
+- [ ] **Sandbox Environment Created**
+  - Dedicated Azure subscription/AWS account for demos only
+  - Completely isolated from production and staging environments
+  - No shared resources with production systems
+  - Verified by: _________________ Date: _______
+
+- [ ] **Network Segmentation Verified**
+  - Deployed to isolated VNet/VPC
+  - No peering to production networks
+  - All outbound internet access blocked
+  - Inbound access restricted to demo viewers only
+  - Verified by: _________________ Date: _______
+
+- [ ] **No Production Data Present**
+  - No customer data or PII
+  - No production database connections
+  - No production API keys or credentials
+  - Verified by: _________________ Date: _______
+
+---
+
+### 💻 Code Safety Measures
+
+- [ ] **Conditional Compilation Added**
+  ```csharp
+  #if !DEMO_ENVIRONMENT && !DEBUG
+  #error "This code contains intentional vulnerabilities. Only for DEMO_ENVIRONMENT."
+  #endif
+  ```
+  - Added to DevSecOps-2649.cshtml.cs
+  - Verified compilation fails without DEMO_ENVIRONMENT flag
+  - Tested by: _________________ Date: _______
+
+- [ ] **Runtime Safeguards Implemented**
+  - Database connection code disabled/commented out
+  - API calls disabled or pointing to mock endpoints
+  - External network calls blocked at code level
+  - Verified by: _________________ Date: _______
+
+- [ ] **Security Warnings Visible**
+  - Prominent warning banner on page UI
+  - README.SECURITY.md created and linked
+  - Comments reference this security review
+  - Verified by: _________________ Date: _______
+
+---
+
+### 🔒 Access Controls
+
+- [ ] **Branch Protection Configured**
+  - Branch cannot be merged to main without explicit override
+  - Requires 2+ security team approvals
+  - CODEOWNERS file includes security team
+  - Configured by: _________________ Date: _______
+
+- [ ] **Deployment Access Restricted**
+  - Only security team has deployment permissions
+  - Separate service principal for demo environment
+  - MFA required for deployment
+  - Configured by: _________________ Date: _______
+
+- [ ] **Audit Logging Enabled**
+  - All access to demo environment logged
+  - Alerts configured for suspicious activity
+  - Log retention policy set (90 days minimum)
+  - Configured by: _________________ Date: _______
+
+---
+
+### 🛡️ GHAS Validation
+
+- [ ] **Code Scanning Alerts Verified**
+  - 19 CodeQL alerts visible in Security tab
+  - Log injection alert confirmed (HIGH)
+  - Insecure SQL connection alerts confirmed (2x MEDIUM)
+  - All expected alerts present
+  - Verified by: _________________ Date: _______
+
+- [ ] **Secret Scanning Verified**
+  - Hardcoded credentials detected
+  - Push protection tested and working
+  - Secret scanning alerts reviewed
+  - Verified by: _________________ Date: _______
+
+- [ ] **Dependency Alerts Verified**
+  - Newtonsoft.Json 12.0.2 vulnerability alert visible
+  - CVE-2024-21907 documented
+  - Dependabot alert acknowledged
+  - Verified by: _________________ Date: _______
+
+---
+
+### 📋 Documentation
+
+- [ ] **Security Review Documentation**
+  - SECURITY_REVIEW_PR117.md reviewed by team
+  - SECURITY_REVIEW_SUMMARY.md shared with stakeholders
+  - This checklist completed and signed
+  - Reviewed by: _________________ Date: _______
+
+- [ ] **Training Materials Prepared**
+  - Demo script created
+  - Expected GHAS alerts documented
+  - Remediation examples prepared
+  - Prepared by: _________________ Date: _______
+
+- [ ] **Incident Response Plan**
+  - Rollback procedure documented
+  - Emergency contacts listed
+  - Escalation path defined
+  - Prepared by: _________________ Date: _______
+
+---
+
+### 🔍 Pre-Go-Live Verification
+
+- [ ] **Smoke Tests Passed**
+  - Application loads successfully
+  - All intentional vulnerabilities trigger as expected
+  - GHAS alerts appear correctly
+  - No unintended functionality exposed
+  - Tested by: _________________ Date: _______
+
+- [ ] **Network Controls Tested**
+  - Verified outbound internet access blocked
+  - Confirmed no access to production resources
+  - Tested unauthorized access attempts (blocked)
+  - Tested by: _________________ Date: _______
+
+- [ ] **Security Team Approval**
+  - Security team lead signed off
+  - Compliance officer notified
+  - Legal reviewed (if customer-facing)
+  - Approved by: _________________ Date: _______
+
+---
+
+## Post-Deployment Monitoring
+
+### First 24 Hours
+
+- [ ] Monitor access logs for suspicious activity
+- [ ] Verify GHAS alerts remain visible and accurate
+- [ ] Check for any unexpected network traffic
+- [ ] Confirm demo environment remains isolated
+- [ ] Monitored by: _________________ Date: _______
+
+### Weekly Review (First Month)
+
+- [ ] Review access logs weekly
+- [ ] Verify no attempts to merge to production branch
+- [ ] Confirm network isolation remains intact
+- [ ] Update this checklist with any new findings
+- [ ] Reviewed by: _________________ Date: _______
+
+---
+
+## Decommissioning Plan
+
+When demo is no longer needed:
+
+- [ ] Delete demo environment completely
+- [ ] Remove all service principals and access grants
+- [ ] Archive this PR documentation
+- [ ] Update security training materials
+- [ ] Close branch and mark as demo-only
+- [ ] Completed by: _________________ Date: _______
+
+---
+
+## Sign-Off
+
+### Security Team Approval
+
+**I certify that all items in this checklist have been completed and verified. This demo environment is safe for deployment and does not pose a risk to production systems.**
+
+| Role | Name | Signature | Date |
+|------|------|-----------|------|
+| Security Engineer | _________________ | _________________ | _______ |
+| Security Team Lead | _________________ | _________________ | _______ |
+| Infrastructure Lead | _________________ | _________________ | _______ |
+
+---
+
+## Emergency Contacts
+
+If any security concerns arise:
+
+- **Security Team Lead:** [Contact]
+- **Infrastructure On-Call:** [Contact]
+- **CISO:** [Contact]
+- **Incident Response:** [Contact]
+
+---
+
+## Related Documentation
+
+- **Full Security Review:** [SECURITY_REVIEW_PR117.md](SECURITY_REVIEW_PR117.md)
+- **Executive Summary:** [SECURITY_REVIEW_SUMMARY.md](SECURITY_REVIEW_SUMMARY.md)
+- **PR Discussion:** https://github.com/githubabcs-devops/gh-advsec-devsecops/pull/117
+- **GHAS Alerts:** https://github.com/githubabcs-devops/gh-advsec-devsecops/security/code-scanning
+
+---
+
+**Document Version:** 1.0  
+**Last Updated:** 2026-02-06  
+**Next Review:** After deployment or in 30 days