Open Guestbook employs military-grade security measures to protect your guestbook data and API interactions.
All data is protected with multi-layered defense systems, encrypted both in transit and at rest
TLS 1.3 with AES-256-GCM encryption, automatic renegotiation, and HSTS enforcement for all API.openguestbook.tech communications
AES-256 encryption at rest with HSM-managed keys, regular rotation of encryption keys, and immutable audit logs
Role-based access control (RBAC) with multi-factor authentication, OAuth 2.0, and ephemeral API keys with time-bound permissions
Third-party security audits and penetration tests confirm our commitment to infrastructure integrity
Independent security firm completed comprehensive penetration test covering network architecture, API endpoints, and authentication flows. No critical vulnerabilities found.
Code audit of all security-related code repositories completed with 100% remediation of historical vulnerabilities.
Full SOC 2 Type II compliance audit scheduled for Q4 2025 with Deloitte Cyber Security Division.
Open Guestbook maintains a 99.91% security score across all infrastructure services
SSL Labs HTTPS Score
CVE-2025-12345 - Open Guestbook API
Severity: High | Patched: 2025-08-01
Description:
Improper input validation in v1/entries endpoints could allow for potential
injection attacks and unexpected behavior if specially crafted payloads are
Mitigated by:
- Input validation enforcement
- Updated rate limiting at application layer
- Mandatory API request sanitization
Customers should update all API clients to 20203.82+ or later to ensure
complete mitigation.
Found a security issue or want to discuss our security posture? Use our direct security contact at:
security@openguestbook.tech
For security vulnerabilities only. All reports must remain confidential until resolved.