Security Automation and Continuous Monitoring (SACM) Architecture
draft-ietf-sacm-arch-07
SACM Working Group A. Montville
Internet-Draft B. Munyan
Intended status: Standards Track CIS
Expires: 14 March 2021 10 September 2020
Security Automation and Continuous Monitoring (SACM) Architecture
draft-ietf-sacm-arch-07
Abstract
This document defines an architecture enabling a cooperative Security
Automation and Continuous Monitoring (SACM) ecosystem. This work is
predicated upon information gleaned from SACM Use Cases and
Requirements ([RFC7632] and [RFC8248] respectively), and terminology
as found in [I-D.ietf-sacm-terminology].
WORKING GROUP: The source for this draft is maintained in GitHub.
Suggested changes should be submitted as pull requests at
https://github.com/sacmwg/ietf-mandm-sacm-arch/. Instructions are on
that page as well.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on 14 March 2021.
Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents (https://trustee.ietf.org/
license-info) in effect on the date of publication of this document.
Please review these documents carefully, as they describe your rights
Montville & Munyan Expires 14 March 2021 [Page 1]
Internet-Draft SACM Architecture September 2020
and restrictions with respect to this document. Code Components
extracted from this document must include Simplified BSD License text
as described in Section 4.e of the Trust Legal Provisions and are
provided without warranty as described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Requirements notation . . . . . . . . . . . . . . . . . . 3
2. Terms and Definitions . . . . . . . . . . . . . . . . . . . . 4
3. Architectural Overview . . . . . . . . . . . . . . . . . . . 4
3.1. SACM Role-based Architecture . . . . . . . . . . . . . . 4
3.2. Architectural Roles/Components . . . . . . . . . . . . . 5
3.2.1. Orchestrator(s) . . . . . . . . . . . . . . . . . . . 6
3.2.2. Repositories/Configuration Management Databases
(CMDBs) . . . . . . . . . . . . . . . . . . . . . . . 6
3.2.3. Integration Service . . . . . . . . . . . . . . . . . 6
3.3. Downstream Uses . . . . . . . . . . . . . . . . . . . . . 7
3.3.1. Reporting . . . . . . . . . . . . . . . . . . . . . . 7
3.3.2. Analytics . . . . . . . . . . . . . . . . . . . . . . 7
3.4. Sub-Architectures . . . . . . . . . . . . . . . . . . . . 7
3.4.1. Collection Sub-Architecture . . . . . . . . . . . . . 8
3.4.2. Evaluation Sub-Architecture . . . . . . . . . . . . . 10
4. Interactions . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1. Interaction Categories . . . . . . . . . . . . . . . . . 12
4.1.1. Broadcast . . . . . . . . . . . . . . . . . . . . . . 13
4.1.2. Directed . . . . . . . . . . . . . . . . . . . . . . 13
4.2. Management Plane Functions . . . . . . . . . . . . . . . 14
4.2.1. Orchestrator Onboarding . . . . . . . . . . . . . . . 14
4.2.2. Component Onboarding . . . . . . . . . . . . . . . . 15
4.3. Component Interactions . . . . . . . . . . . . . . . . . 16
4.3.1. Initiate Ad-Hoc Collection . . . . . . . . . . . . . 16
4.3.2. Coordinate Periodic Collection . . . . . . . . . . . 16
4.3.3. Coordinate Observational/Event-based Collection . . . 17
4.3.4. Persist Collected Posture Attributes . . . . . . . . 18
4.3.5. Initiate Ad-Hoc Evaluation . . . . . . . . . . . . . 18
4.3.6. Coordinate Periodic Evaluation . . . . . . . . . . . 18
4.3.7. Coordinate Change-based Evaluation . . . . . . . . . 19
4.3.8. Queries . . . . . . . . . . . . . . . . . . . . . . . 19
5. Taxonomy . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.1. Orchestrator Registration . . . . . . . . . . . . . . . . 19
Show full document text