pg_tviews 0.1.0-beta.12

Transactional materialized views with incremental refresh for PostgreSQL
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# Security Incident Response Plan

**Document Version:** 1.0
**Last Updated:** 2025-12-11
**Classification:** Public
**Applicable Standards:** ISO 27001, NIST SP 800-61, OWASP Incident Response

## Executive Summary

pg_tviews implements a comprehensive incident response plan designed to handle security incidents efficiently and effectively. This plan outlines procedures for detecting, responding to, and recovering from security incidents while maintaining transparency and compliance with regulatory requirements.

## Incident Classification

### Severity Levels

#### Critical (CVSS 9.0-10.0)
- **Remote Code Execution** in production environments
- **Complete Data Breach** affecting multiple users
- **System Compromise** with persistent access
- **Supply Chain Attack** affecting all users

**Response Time**: Immediate (<1 hour)
**Communication**: Immediate public disclosure

#### High (CVSS 7.0-8.9)
- **Privilege Escalation** to administrative access
- **Significant Data Leakage** affecting user privacy
- **Denial of Service** impacting production systems
- **Cryptographic Key Compromise**

**Response Time**: <4 hours
**Communication**: Within 24 hours

#### Medium (CVSS 4.0-6.9)
- **Information Disclosure** of non-sensitive data
- **Limited Denial of Service** with workarounds
- **Configuration Vulnerabilities**
- **Dependency Vulnerabilities** with available patches

**Response Time**: <24 hours
**Communication**: Within 7 days

#### Low (CVSS 0.1-3.9)
- **Minor Information Leaks**
- **Performance Issues** with security implications
- **Documentation Issues**
- **False Positives**

**Response Time**: <7 days
**Communication**: As appropriate

## Incident Types

### Type 1: Vulnerability Disclosed
**Scenario**: Security researcher or automated scan discovers vulnerability

**Response Process**:
1. **Acknowledge** (24 hours): Confirm receipt and assign tracking ID
2. **Assess** (48 hours): Reproduce issue and evaluate impact
3. **Develop** (1-2 weeks): Create and test fix
4. **Release** (2 weeks): Publish security advisory and patch
5. **Disclose** (4 weeks): Public post-mortem and lessons learned

### Type 2: Active Exploitation
**Scenario**: Evidence of active exploitation in the wild

**Response Process**:
1. **Alert** (Immediate): Notify all stakeholders
2. **Mitigate** (1 hour): Implement emergency workarounds
3. **Patch** (24 hours): Emergency security release
4. **Communicate** (2 hours): Security advisory to users
5. **Monitor** (Ongoing): Track exploitation attempts

### Type 3: Dependency Vulnerability
**Scenario**: Upstream dependency affected by CVE

**Response Process**:
1. **Assess** (24 hours): Determine if pg_tviews is affected
2. **Update** (48 hours): Bump dependency version
3. **Test** (24 hours): Full regression testing
4. **Release** (72 hours): Patch release with updated dependencies
5. **Notify** (24 hours): Release notes and security advisory

### Type 4: Data Breach
**Scenario**: Unauthorized access to user data

**Response Process**:
1. **Contain** (Immediate): Isolate affected systems
2. **Assess** (4 hours): Determine scope and impact
3. **Notify** (72 hours): Affected users and authorities
4. **Remediate** (1 week): Fix root cause and prevent recurrence
5. **Report** (30 days): Complete incident report

### Type 5: Build System Compromise
**Scenario**: CI/CD pipeline or build infrastructure compromised

**Response Process**:
1. **Isolate** (Immediate): Shut down compromised systems
2. **Investigate** (4 hours): Determine compromise scope
3. **Rebuild** (24 hours): Clean rebuild from trusted sources
4. **Verify** (48 hours): Independent verification of artifacts
5. **Communicate** (24 hours): Transparency about incident

## Response Team Structure

```
Security Incident Response Team
├── Incident Commander
│   └── Lionel Hamayon (Project Lead)
├── Technical Response Team
│   ├── Core Developers
│   └── Security Specialists
├── Communications Team
│   ├── Public Relations
│   └── User Communications
└── Legal/Compliance Team
    ├── Legal Counsel
    └── Compliance Officers
```

### Roles and Responsibilities

#### Incident Commander
- **Overall coordination** and decision making
- **Communication** with stakeholders
- **Resource allocation** and timeline management
- **Final approval** for all major decisions

#### Technical Response Team
- **Technical investigation** and root cause analysis
- **Fix development** and testing
- **System recovery** and hardening
- **Forensic analysis** and evidence collection

#### Communications Team
- **Public announcements** and advisories
- **User notifications** and support
- **Media relations** and press releases
- **Stakeholder updates**

#### Legal/Compliance Team
- **Regulatory compliance** and reporting
- **Legal review** of communications
- **Privacy impact assessment**
- **Insurance and liability management**

## Communication Protocols

### Internal Communication

#### Incident Response Channel
- **Platform**: GitHub Security Advisories + Private Repository
- **Participants**: Core response team only
- **Content**: Technical details, sensitive information
- **Retention**: Encrypted, long-term archive

#### Status Updates
- **Frequency**: Every 4 hours during active response
- **Format**: Structured status reports
- **Distribution**: Response team only
- **Archival**: Incident timeline documentation

### External Communication

#### Security Advisories
- **Platform**: GitHub Security Advisories
- **Audience**: All users and downstream consumers
- **Content**: Vulnerability details, impact, remediation
- **Timing**: Coordinated with fix release

#### Public Announcements
- **Platform**: GitHub Releases, project website
- **Audience**: General public and media
- **Content**: High-level incident summary
- **Timing**: After technical fix is available

#### User Notifications
- **Platform**: GitHub Issues, email lists
- **Audience**: Affected users and organizations
- **Content**: Specific impact and remediation steps
- **Timing**: Immediate for critical incidents

## Response Timeline

### Phase 1: Detection & Assessment (0-4 hours)

1. **Detection**: Automated monitoring or manual report
2. **Triage**: Initial severity assessment
3. **Team Assembly**: Activate response team
4. **Initial Assessment**: Scope and impact evaluation

**Deliverables**:
- Incident classification and severity
- Initial impact assessment
- Response team activation
- Communication plan initiation

### Phase 2: Containment & Analysis (4-24 hours)

1. **Containment**: Isolate affected systems
2. **Evidence Collection**: Preserve forensic data
3. **Root Cause Analysis**: Technical investigation
4. **Impact Assessment**: Complete scope evaluation

**Deliverables**:
- Containment measures implemented
- Forensic evidence secured
- Root cause identified
- Complete impact assessment

### Phase 3: Recovery & Remediation (24-72 hours)

1. **Fix Development**: Security patch creation
2. **Testing**: Comprehensive validation
3. **Deployment**: Controlled rollout
4. **Monitoring**: Post-fix surveillance

**Deliverables**:
- Security fix developed and tested
- Deployment plan executed
- Monitoring systems activated
- Recovery procedures documented

### Phase 4: Communication & Closure (72 hours+)

1. **Public Disclosure**: Security advisory release
2. **User Notification**: Impact and remediation guidance
3. **Lessons Learned**: Post-mortem analysis
4. **Process Improvement**: Response plan updates

**Deliverables**:
- Public security advisory
- User communication completed
- Incident report published
- Process improvements implemented

## Communication Templates

### Acknowledgment Template (to Reporter)

```
Subject: [pg_tviews] Security Report Acknowledgment - SEC-2025-001

Dear [Reporter Name],

Thank you for reporting a potential security issue in pg_tviews.

Report Details:
- Report ID: SEC-2025-001
- Received: 2025-12-11
- Assigned: Lionel Hamayon
- Severity: [Initial Assessment]

We will assess this report and respond within 7 days with:
- Severity classification
- Impact assessment
- Proposed timeline for fix

We follow coordinated disclosure and ask that you:
- Do not publish details until we release a fix
- Allow us reasonable time to develop a patch
- Coordinate disclosure timing with us

Thank you for helping keep pg_tviews secure.

Best regards,
Lionel Hamayon
Project Lead, pg_tviews
```

### Security Advisory Template

```markdown
# Security Advisory: [Vulnerability Title]

**Advisory ID**: GHSA-xxxx-xxxx-xxxx
**Published**: 2025-12-11
**Severity**: High (CVSS 7.5)
**Affected Versions**: < 0.1.1

## Summary

Brief description of the vulnerability and its impact.

## Impact

Who is affected and what they can achieve.

## Affected Components

- pg_tviews extension functions
- TVIEW data processing
- PostgreSQL integration

## Remediation

### Immediate Actions
1. Upgrade to pg_tviews 0.1.1 or later
2. Review TVIEW configurations for security
3. Enable audit logging if not already active

### Workarounds
If immediate upgrade is not possible:
- [Temporary mitigation steps]

## Technical Details

[CVE-2025-XXXX] - [Technical description]

## Credits

Reported by: [Researcher Name] (if they wish to be credited)

## References

- [Link to full advisory]
- [Link to fix commit]
- [Link to release notes]
```

## Tools and Resources

### Investigation Tools

```bash
# Log analysis
grep "security" /var/log/postgresql/postgresql.log

# Network monitoring
tcpdump -i eth0 port 5432

# Process inspection
ps aux | grep postgres

# File integrity
find /usr/share/postgresql -type f -exec sha256sum {} \; > integrity-check.txt
```

### Communication Tools

- **GitHub Security Advisories**: Private vulnerability discussions
- **GitHub Issues**: Public incident tracking (after disclosure)
- **Email**: Direct communication for sensitive matters
- **Status Page**: Public incident status (future implementation)

### Documentation Tools

- **Incident Timeline**: Chronological event log
- **Evidence Collection**: Forensic artifacts
- **Communication Log**: All stakeholder communications
- **Post-Mortem Report**: Lessons learned and improvements

## Recovery Procedures

### System Recovery

1. **Database Backup**: Ensure clean backups before recovery
2. **Clean Installation**: Reinstall from trusted sources
3. **Configuration Audit**: Verify all security settings
4. **Access Review**: Audit user permissions and roles

### Data Recovery

1. **Backup Validation**: Verify backup integrity
2. **Clean Restore**: Restore from trusted backups
3. **Data Validation**: Check for tampering indicators
4. **Access Logging**: Enable enhanced audit logging

### Service Restoration

1. **Gradual Rollout**: Phased service restoration
2. **Monitoring**: Enhanced monitoring during recovery
3. **User Communication**: Status updates throughout process
4. **Validation**: Functional testing before full operation

## Post-Incident Activities

### Lessons Learned Session

**Timing**: Within 2 weeks of incident resolution

**Participants**:
- Full response team
- Key stakeholders
- External advisors (if applicable)

**Agenda**:
1. Incident timeline review
2. What went well / what didn't
3. Root cause analysis
4. Process improvements
5. Training recommendations

### Process Improvements

Based on lessons learned:

1. **Documentation Updates**: Update response plans
2. **Tool Improvements**: Enhance monitoring and detection
3. **Training**: Additional security training for team
4. **Automation**: Implement automated response capabilities

### Incident Report

**Distribution**: Internal archive + public summary

**Contents**:
- Executive summary
- Technical details (sanitized)
- Timeline and response metrics
- Lessons learned
- Process improvements
- Prevention measures

## Compliance Considerations

### Regulatory Reporting

#### GDPR (Data Breaches)
- **Notification**: Within 72 hours if personal data affected
- **Documentation**: Complete breach record
- **Impact Assessment**: Data protection impact analysis

#### Other Jurisdictions
- **California**: CCIA breach notification (if applicable)
- **EU**: NIS2 incident reporting (if applicable)
- **Industry**: PCI DSS incident response requirements

### Audit Trail

All incident response activities are logged:

- **Decision Records**: Rationale for all major decisions
- **Communication Logs**: All stakeholder communications
- **Evidence Chain**: Forensic evidence preservation
- **Timeline Documentation**: Chronological event log

## Testing and Validation

### Incident Response Drills

**Frequency**: Quarterly
**Scope**: Tabletop exercises and technical simulations
**Objectives**:
- Validate response procedures
- Test communication channels
- Identify process gaps
- Train response team

### Plan Updates

**Frequency**: After each incident + annually
**Process**:
1. Review incident response effectiveness
2. Update contact information
3. Incorporate lessons learned
4. Test updated procedures

## Continuous Improvement

### Metrics and KPIs

- **Mean Time to Detect** (MTTD): Target < 24 hours
- **Mean Time to Respond** (MTTR): Target < 4 hours for critical
- **Communication Quality**: Stakeholder satisfaction surveys
- **Process Effectiveness**: Post-incident review scores

### Future Enhancements

- [ ] **Automated Alerting**: Real-time security monitoring
- [ ] **Incident Playbooks**: Pre-defined response templates
- [ ] **Communication Automation**: Automated stakeholder notifications
- [ ] **Forensic Tooling**: Enhanced evidence collection
- [ ] **Recovery Automation**: Automated system recovery procedures

## References

- [NIST SP 800-61 Computer Security Incident Handling]https://csrc.nist.gov/publications/detail/sp/800-61/rev-2/final
- [OWASP Incident Response Cheat Sheet]https://cheatsheetseries.owasp.org/cheatsheets/Incident_Response_Cheat_Sheet.html
- [ISO 27001 Incident Management]https://www.iso.org/standard/54534.html
- [CERT Incident Handling]https://resources.sei.cmu.edu/library/asset-view.cfm?assetid=50897

---

**Document Control:**
- **Author**: Lionel Hamayon
- **Reviewers**: Project Contributors
- **Review Cycle**: Annual
- **Distribution**: Public