# SI-16 Memory Protection — NIST 800-53 Rev5 control

> FedRAMP Consolidated Rules for 2026 v2026.07.14.01 · updated 2026-07-14
> Canonical page: /control/si-16

Canonical id: `si-16` · family `SI`

> Implement the following controls to protect the system memory from unauthorized code execution: [controls].

_Control title and statement: NIST SP 800-53 Rev5 catalog (the pinned commit is in `/api` under `control_text`). The FedRAMP rules reference these controls by id only; everything below is what FedRAMP says about this id._

## Rev5 baseline membership

- certification class C
- certification class D

## Key Security Indicators that reach it

- `KSI-CNA-MAT` — Minimizing Attack Surface (Cloud Native Architecture)
  Machine-based information resources are persistently reviewed to ensure they have a minimal attack surface and that lateral movement is minimized if compromised.
- `KSI-PIY-RSD` — Reviewing Security in the SDLC (Policy and Inventory)
  The effectiveness of building security and privacy considerations into the Software Development Lifecycle and aligning with CISA Secure By Design principles is persistently reviewed.

## FedRAMP guidance

_No FedRAMP-specific guidance attaches to this control._