tomevault-io Security Operations
Frameworks and checklists for secure systems.
Zero Trust Principles
- Never trust, always verify
- Assume breach
- Verify explicitly
- Least privilege access
- Micro-segmentation
SLSA Framework (Supply Chain)
| Level | Requirements |
|---|---|
| 1 | Documentation of build process |
| 2 | Hosted build platform, signed provenance |
| 3 | Hardened builds, 2-person review |
| 4 | Hermetic, reproducible builds |
Threat Modeling (STRIDE)
| Threat | Example | Mitigation |
|---|---|---|
| Spoofing | Fake identity | Strong auth, MFA |
| Tampering | Modified data | Integrity checks, signing |
| Repudiation | Deny actions | Audit logs, non-repudiation |
| Information Disclosure | Data leak | Encryption, access control |
| Denial of Service | Overload | Rate limiting, scaling |
| Elevation of Privilege | Unauthorized access | Least privilege, RBAC |
OWASP Top 10 Checklist
- A01: Broken Access Control
- A02: Cryptographic Failures
- A03: Injection (SQL, NoSQL, OS, LDAP)
- A04: Insecure Design
- A05: Security Misconfiguration
- A06: Vulnerable Components
- A07: Auth Failures
- A08: Software/Data Integrity Failures
- A09: Logging/Monitoring Failures
- A10: SSRF
Secrets Management
Never commit secrets. Use environment-based injection (External Secrets Operator, Vault, cloud-native secret managers). Scan with gitleaks or trufflehog in CI.
Supply Chain Security
- Generate SBOMs with Syft:
syft packages dir:. -o spdx-json - Scan with Grype:
grype sbom:sbom.spdx.json --fail-on high - Scan container images with Trivy:
trivy image <image> --severity HIGH,CRITICAL - Use distroless/Chainguard base images
Incident Response Phases
- Detection & Analysis -- Acknowledge alert, gather IOCs, determine scope, escalate if P1/P2
- Containment -- Isolate systems, block malicious IPs, disable compromised accounts, preserve evidence
- Eradication -- Remove malware/backdoors, patch vulnerabilities, reset credentials
- Recovery -- Restore from clean backups, monitor for re-infection, gradual restoration
- Lessons Learned -- Timeline reconstruction, root cause analysis, update playbooks
Compliance Frameworks
| Framework | Focus |
|---|---|
| SOC 2 Type II | Service organization controls |
| ISO 27001 | Information security management |
| HIPAA | Protected health information |
| GDPR | EU data protection |
| PCI DSS | Payment card data |
Use Vanta or Drata for continuous monitoring and automated evidence collection.
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