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00_document_control/Security_Classification_Guide.md

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+# DBIS SECURITY CLASSIFICATION GUIDE
+## Comprehensive Security Classification Framework
+
+**Document Number:** DBIS-DOC-SEC-001  
+**Version:** 1.0  
+**Date:** [YYYY-MM-DD]  
+**Classification:** CONFIDENTIAL  
+**Authority:** DBIS Security Department  
+**Approved By:** [Signature Block]
+
+---
+
+## PREAMBLE
+
+This guide establishes the security classification system for all DBIS documents, aligned with DoD 5220.22-M (National Industrial Security Program) and NIST standards.
+
+---
+
+## PART I: CLASSIFICATION LEVELS
+
+### Section 1.1: UNCLASSIFIED
+
+**Definition:**
+Information that may be released to the public without damage to national security or DBIS operations.
+
+**Marking:**
+```
+UNCLASSIFIED
+```
+
+**Examples:**
+- Public constitutional documents
+- General operational procedures
+- Public-facing documentation
+
+---
+
+### Section 1.2: CONFIDENTIAL
+
+**Definition:**
+Information that, if disclosed, could cause damage to DBIS operations or member state interests.
+
+**Marking:**
+```
+CONFIDENTIAL
+```
+
+**Examples:**
+- Technical specifications
+- Operational procedures
+- Member information
+- Financial details
+
+**Declassification:**
+- Automatic declassification after 10 years
+- Or upon specific declassification event
+
+---
+
+### Section 1.3: SECRET
+
+**Definition:**
+Information that, if disclosed, could cause serious damage to DBIS operations or national security.
+
+**Marking:**
+```
+SECRET
+```
+
+**Examples:**
+- Security protocols
+- Intelligence information
+- Critical infrastructure details
+- Cryptographic keys
+
+**Declassification:**
+- Automatic declassification after 25 years
+- Or upon specific declassification event
+
+---
+
+### Section 1.4: TOP SECRET
+
+**Definition:**
+Information that, if disclosed, could cause exceptionally grave damage to DBIS operations or national security.
+
+**Marking:**
+```
+TOP SECRET
+```
+
+**Examples:**
+- Highly sensitive security information
+- Critical intelligence
+- Emergency response procedures
+- Zero-day vulnerabilities
+
+**Declassification:**
+- Automatic declassification after 50 years
+- Or upon specific declassification event
+
+---
+
+## PART II: CLASSIFICATION MARKINGS
+
+### Section 2.1: Document Markings
+
+**Required Markings:**
+- Overall classification (top and bottom of each page)
+- Classification authority
+- Declassification date/event
+- Distribution statement
+
+**Format:**
+```
+[CLASSIFICATION]
+Classification Authority: [Authority]
+Declassify On: [Date/Event]
+Distribution: [Distribution Statement]
+```
+
+---
+
+### Section 2.2: Paragraph Markings
+
+**Paragraph-Level Classification:**
+- Mark paragraphs with higher classification than document
+- Use (C), (S), (TS) for paragraph-level markings
+- Unmarked paragraphs inherit document classification
+
+---
+
+## PART III: DISTRIBUTION STATEMENTS
+
+### Section 3.1: Distribution Categories
+
+**Distribution Statement A:**
+"Distribution authorized to the public; release unlimited."
+
+**Distribution Statement B:**
+"Distribution authorized to DBIS members and authorized personnel only."
+
+**Distribution Statement C:**
+"Distribution authorized to security-cleared personnel only."
+
+**Distribution Statement D:**
+"Distribution authorized to Executive Directorate only."
+
+---
+
+## PART IV: CLASSIFICATION GUIDANCE
+
+### Section 4.1: Classification Criteria
+
+**Factors for Classification:**
+- Sensitivity of information
+- Potential damage if disclosed
+- Source of information
+- Age of information
+- Public availability
+
+---
+
+### Section 4.2: Declassification Procedures
+
+**Automatic Declassification:**
+- Based on date or event
+- Automatic review process
+- Public release procedures
+
+**Manual Declassification:**
+- Review request process
+- Authority for declassification
+- Public release procedures
+
+---
+
+## APPENDICES
+
+### Appendix A: Classification Examples
+- Examples of classified information
+- Examples of unclassified information
+
+### Appendix B: Declassification Schedule
+- Automatic declassification schedule
+
+---
+
+**END OF SECURITY CLASSIFICATION GUIDE**
+