Back in the early phases of the project is the knowledge (e.g., from knowledge bases Lessons Learned) gained from previous projects in order to avoid known vulnerabilities.
Namespace-based Validation Dispatching Language | validation | Extended Validation Certificate | XML validation | Validation des Acquis de l'Experience | Validation | VAE (Validation des Acquis de l'Experience) | info-gap's robustness | Cross-validation | Chrome's address bar when visiting a site that has an Extended Validation Certificate |