System Security Plan (SSP)
Comprehensive security plan for the DivisionCero system documenting the implementation of controls according to the Kudo framework
System Information
Identification
- System Name: DivisionCero SaaS Platform
- SSP Version: 1.0.0
- System Type: SaaS Multi-tenant
- Classification: Confidential (Internal Use)
- Owner: DivisionCero Inc.
- Custodian: Chief Technology Officer (CTO)
- Responsible CISO: Chief Information Security Officer
Overview
DivisionCero SaaS Platform is a software-as-a-service platform that provides business management solutions to corporate customers. The system processes business data from multiple organizations in a secure multi-tenant architecture.
Business Purpose:
- Business process management
- Advanced analytics and reporting
- Integration with third-party systems
- APIs for external developers
System Boundaries
System Data
Types of Information Processed:
- Confidential: Customer financial data, commercial contracts
- Internal: Operational metrics, application logs
- Public: Technical documentation, marketing material
- Restricted: Employee data, intellectual property information
Data Volume:
- Active data: ~50 TB
- Backups: ~200 TB
- Monthly growth: ~5 TB
- User records: 25,000+ active
Security Architecture
Security Model
Principle: Zero Trust Architecture with defense in depth
Security Layers:
- Network Security: Firewalls, VPN, Network Segmentation
- Identity Security: IAM, MFA, PAM
- Application Security: WAF, API Security, Secure Coding
- Data Security: Encryption, DLP, Classification
- Infrastructure Security: Container Security, Hardening
- Monitoring: SIEM, EDR, Threat Intelligence
Security Data Flow
Control Implementation by Domain
COR - Organizational Coherence
COR-001: Cybersecurity Governance
Status: ✅ Implemented
Description: Executive cybersecurity committee established
Specific Implementation:
- Committee: CEO, CTO, CISO, CFO, Head Legal
- Meetings: Mandatory monthly + ad hoc for incidents
- Responsibilities:
- Approval of security policies
- Review of the cybersecurity budget
- Response to critical incidents
- Evidence: Meeting minutes, documented decisions
COR-002: Security Framework Policy
Status: ✅ Implemented
Description: Organizational policy approved by the Board
Specific Implementation:
- Document: "Information Security Policy v2.1"
- Approval: Board of Directors (2024-01-15)
- Review: Mandatory annual
- Communication: All-hands meeting + intranet
- Evidence: Signed policy, training records
ADR - Analysis, Detection and Response
ADR-001: Continuous Monitoring
Status: ✅ Implemented
Description: 24/7 SIEM with ML-based detection
Specific Implementation:
- Platform: Elastic Stack + Wazuh + Custom ML
- Coverage: 100% of critical systems
- SLA: 99.9% uptime, alerts in < 5 minutes
- Capabilities:
- Multi-source event correlation
- Anomaly detection with machine learning
- Threat intelligence integration
- Automated playbook execution
- Staff: SOC analysts 24/7/365
- Evidence: Operational dashboards, configured alerts
ADR-002: Incident Response Plan
Status: ✅ Implemented
Description: Structured response procedures
Specific Implementation:
- Document: "Incident Response Plan v1.3"
- Classification: 4 levels (P0-P3)
- Escalation: Automatic by severity
- RTO/RPO: P0: 4h/1h, P1: 8h/4h, P2: 24h/8h, P3: 72h/24h
- Tools: SOAR platform for automation
- Training: Quarterly drills
- Evidence: Runbooks, post-mortem reports
CAP - Application Cybersecurity
CAP-001: Secure Development
Status: ✅ Implemented
Description: Security-by-design in the SDLC
Specific Implementation:
- Pipeline: GitLab CI/CD with security gates
- SAST: SonarQube with custom rules
- DAST: OWASP ZAP automated scanning
- Dependency Scanning: Snyk integration
- Code Review: Mandatory security reviews
- Training: Secure coding bootcamp for developers
- Evidence: Pipeline configs, scan reports
CAP-002: API Management
Status: ✅ Implemented
Description: Complete API security framework
Specific Implementation:
- Gateway: Kong Enterprise with plugins
- Authentication: OAuth 2.0 + API keys hybrid
- Rate Limiting: Intelligent per-customer limits
- Documentation: OpenAPI 3.0 specs
- Monitoring: API analytics and health checks
- Evidence: API catalog, security policies
CIF - Infrastructure Cybersecurity
CIF-001: System Hardening
Status: ✅ Implemented
Description: Secure configurations according to CIS
Specific Implementation:
- Baseline: CIS Benchmarks Level 1
- Automation: Ansible playbooks
- Scanning: OpenSCAP compliance scanning
- OS: Ubuntu 22.04 LTS hardened
- Containers: Distroless base images
- Evidence: Compliance reports, automation scripts
CIF-002: Vulnerability Management
Status: 🔄 In Progress (POA&M 001)
Description: Automated patching program
Current Implementation:
- Scanning: Tenable Nessus weekly scans
- Prioritization: CVSS + EPSS scoring
- Patching: Manual process (being automated)
- SLA: Critical < 72h, High < 7d, Medium < 30d
- Gap: Full automation missing
- Timeline: Complete in 12 weeks
CIP - Identity and Endpoints
CIP-001: Identity Management
Status: ✅ Implemented
Description: Robust IAM with universal MFA
Specific Implementation:
- Platform: Keycloak + Microsoft Entra ID
- MFA: 100% of employees (FIDO2 preferred)
- SSO: Integration with 25+ applications
- Provisioning: Automated with HR systems
- Reviews: Quarterly access reviews
- Evidence: MFA enrollment reports, access matrices
CIP-002: Endpoint Protection
Status: ✅ Implemented
Description: EDR + mobile device management
Specific Implementation:
- EDR: SentinelOne on 100% of corporate laptops
- MDM: Microsoft Intune for BYOD
- Policies: Device compliance requirements
- Encryption: BitLocker/FileVault mandatory
- Remote Wipe: Capability for lost devices
- Evidence: Device inventory, compliance reports
DIA - Data and Artificial Intelligence
DIA-001: Data Classification
Status: ⚠️ Partially Implemented
Description: Classification scheme defined
Specific Implementation:
- Levels: Public, Internal, Confidential, Restricted
- Tagging: Manual + automated discovery
- Tools: Microsoft Purview (being implemented)
- Gap: Automated enforcement missing
- Timeline: Complete in Q3 2024
DIA-002: Data Encryption
Status: ✅ Implemented
Description: Comprehensive encryption in transit and at rest
Specific Implementation:
- In Transit: TLS 1.3 mandatory
- At Rest: AES-256 for databases
- Key Management: HashiCorp Vault
- Rotation: Automated quarterly rotation
- Customer Keys: Option for enterprise clients
- Evidence: Certificate inventory, encryption configs
THP - Human Talent and Vendor Cybersecurity
THP-001: Security Training
Status: 🔄 In Progress (POA&M 002)
Description: Structured awareness program
Current Implementation:
- Platform: KnowBe4 LMS
- Content: Role-based training tracks
- Frequency: Quarterly mandatory training
- Phishing: Monthly simulation campaigns
- Gap: Customized content missing
- Timeline: Complete in 16 weeks
THP-002: Third-Party Assessment
Status: ⏳ Pending (POA&M 003)
Description: Due diligence of critical vendors
Current Status:
- Process: Ad-hoc evaluations
- Critical Vendors: 25 pending assessment
- Framework: Developing a customized SIG Lite
- Timeline: 24 weeks to complete
Deployment Architecture
Environments
Environment Separation:
- Development: Isolated networks, mock data
- Staging: Production-like, sanitized data
- Production: Full security controls, real data
- DR: Cross-region replica, encrypted backups
Network and Connectivity
Network Segmentation:
Network Controls:
- Firewalls: Palo Alto Next-Gen with IPS
- WAF: Cloudflare Enterprise
- VPN: WireGuard for admin access
- Zero Trust: BeyondCorp implementation
Continuity and Recovery Plan
Business Continuity Objectives
- RTO (Recovery Time Objective): 4 hours
- RPO (Recovery Point Objective): 1 hour
- MTTR (Mean Time To Repair): 2 hours
- Availability Target: 99.9% (8.77 hours downtime/year)
Backup Strategies
Backup Strategy:
- Frequency: Continuous replication + daily snapshots
- Retention: Daily (30d), Weekly (12w), Monthly (12m)
- Testing: Monthly restore tests
- Encryption: AES-256 with customer-managed keys
- Geographic: Multi-region with 3-2-1 rule
Disaster Recovery:
- Primary Site: AWS us-east-1
- DR Site: AWS us-west-2
- Replication: Real-time for critical data
- Failover: Automated with manual approval
- Testing: Annual DR exercises
Security Metrics
Main KPIs
| Metric | Target | Actual | Trend |
|---|---|---|---|
| Security Incidents | < 5/month | 2/month | ↓ |
| Vulnerability Remediation | 95% in SLA | 89% | ↑ |
| MFA Adoption | 100% | 98% | ↑ |
| Training Completion | 95% | 87% | ↑ |
| Backup Success Rate | 99.9% | 99.7% | → |
| Incident Response Time | < 30 min | 22 min | ↓ |
Executive Dashboard
Compliance and Audit
Regulatory Frameworks
- GDPR: General Data Protection Regulation
- SOC 2 Type II: Security, Availability, Confidentiality
- ISO 27001: Information Security Management (target 2025)
Scheduled Audits
- Internal: Quarterly by the internal team
- External: Annual by an independent firm
- Penetration Testing: Twice a year by specialists
- Compliance: Continuous with automated tools
Current Certifications
- ✅ SOC 2 Type II: Valid until Dec 2024
- 🔄 ISO 27001: Certification in progress
- ⏳ GDPR: Compliance ongoing assessment
Change Management
Change Management Process
- RFC (Request for Change): Documented proposal
- Impact Assessment: Security and business impact
- Approval: CAB (Change Advisory Board) approval
- Implementation: Controlled deployment
- Verification: Post-change validation
- Documentation: Updated in CMDB
Emergency Changes
- Criteria: Security incidents, critical vulnerabilities
- Approval: CISO + CTO approval sufficient
- Timeline: Implement first, document after
- Review: Post-implementation review within 48h
Continuous Improvement Plan
2024 Objectives
- ✅ Implement critical controls (Q1)
- 🔄 Automate vulnerability management (Q2)
- ⏳ Complete data classification (Q3)
- ⏳ Obtain ISO 27001 certification (Q4)
Roadmap 2025
- Implement an advanced SOAR platform
- Develop threat hunting capabilities
- Establish security metrics automation
- Expand the third-party risk program
Contacts and Responsibilities
Key Roles
- System Owner: CTO (cto@divisioncero.com)
- CISO: Chief Information Security Officer
- Security Architect: Senior Security Engineer
- Compliance Manager: Legal & Compliance Team
Emergency Escalation
- L1: Security Analyst (24/7 SOC)
- L2: Senior Security Engineer
- L3: CISO + CTO
- Executive: CEO + Board (for major incidents)
Support Tools
OSCAL Validators
To validate OSCAL documents generated from Kudo:
# Install the NIST OSCAL tools
npm install -g @nist/oscal-cli
# Validate the catalog
oscal-cli validate --schema=catalog kudo-catalog.json
# Validate the SSP
oscal-cli validate --schema=ssp system-security-plan.jsonSystem Security Plan v1.0 - Document generated according to OSCAL standards
Sistema: DivisionCero SaaS Platform | Effective since: 2024-01-01 | Next review: 2024-12-31