Defense in depth is a strategy that protects a company with several independent layers of security, so if one fails another stops the attack. It combines, for example, firewall, MFA, antivirus, network segmentation, backups and monitoring, the same way a castle combines walls, a moat and guards.
How TecnetOne handles it: Managed Cybersecurity Services
layered security, multi-layered security, defense-in-depth strategy