Defence in Depth
Multiple layers of security controls protecting your infrastructure
Layered Security Strategy
Defence in Depth is a security strategy that uses multiple independent layers of protection. If one layer is compromised, the remaining layers continue to provide security.
Security Layers
- Network Layer — Firewalls, network segmentation, VPN, PrivateLink.
- Application Layer — Input validation, output encoding, authentication, authorization.
- Data Layer — Encryption at rest and in transit, access controls, audit logging.
- Monitoring Layer — Intrusion detection, anomaly detection, SIEM integration.
Signando's Multi-Layer Protection
Signando implements defence in depth through its four-zone architecture: PUBLIC, NORMAL, HIGH, and VERY HIGH zones. Each zone adds additional security controls, with Application Layer Gateways filtering traffic between zones.