Security tomorrow – Sustaining a living DiD

Throughout this book, we’ve explored the principles and practical implementation of DiD. We’ve seen how a layered, multi-pronged security strategy offers resilience in a world where attacks are inevitable and absolute security remains an illusion. However, understanding DiD intellectually is only part of the battle. The other part lies in sustaining it as a living, evolving model within your organization.

The reality is that security is often an uphill battle. On one hand, security teams must face friction to get leadership buy-ins inside the organization, and on the other hand, defenders are pitted against an adversary fueled by innovation and financial gain. Attackers only have to find one crack in your armor, while defenders must be constantly vigilant across a sprawling attack surface. A successful breach makes headlines, but the countless thwarted attacks are invisible triumphs.

This asymmetry can be demoralizing...