---
type: "csf-function"
title: "PROTECT"
description: "Prevent or reduce the likelihood of the cluster step succeeding."
resource: "tlctc:csf-function:PR"
tags:
  - "controls"
  - "nist-csf"
  - "PR"
---
# PROTECT

Prevent or reduce the likelihood of the cluster step succeeding. Left (cause) side of the bow-tie.

# Schema

- **CSF function:** PROTECT (PR)
- **Bow-tie position:** preventive (left)

Applies across all ten clusters; see each [control-objective set](/controls/index.md).
