# 5. Assignment of Security Responsibility

<img class="page-image" src="/uploads/images/gallery/2026-02/ssp-05-isso.png" alt="system security plan ISSO page image" />

_Information System Security Officer (ISSO)_ follows the [Roles](https://patterns.rufrisk.com/books/fedramp-common/page/roles) pattern, using the `information-system-security-officer` role.


<div class="callout">

**Defined Identifiers**
Required Role ID:
- `information-system-security-officer`

</div>

---