NIST CSF 2.0 – Protect Function Deep Dive: Data Security (PR.DS)
When executives ask, “What are we actually protecting?”
The honest answer is simple:
Data.
Not servers.
Not applications.
Not networks.
Those matter—but only because data lives on them.
PR.DS exists because cybersecurity failures become business crises only when data is exposed, altered, lost, or misused. Everything else is