Security Automation and Continuous Monitoring (SACM) Architecture
draft-ietf-sacm-arch-06
SACM Working Group A. Montville
Internet-Draft B. Munyan
Intended status: Standards Track CIS
Expires: 12 November 2020 11 May 2020
Security Automation and Continuous Monitoring (SACM) Architecture
draft-ietf-sacm-arch-06
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
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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 12 November 2020.
Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved.
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Provisions Relating to IETF Documents (https://trustee.ietf.org/
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Please review these documents carefully, as they describe your rights
Montville & Munyan Expires 12 November 2020 [Page 1]
Internet-Draft SACM Architecture May 2020
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Requirements notation . . . . . . . . . . . . . . . . . . 4
2. Terms and Definitions . . . . . . . . . . . . . . . . . . . . 4
3. Architectural Overview . . . . . . . . . . . . . . . . . . . 4
3.1. SACM Role-based Architecture . . . . . . . . . . . . . . 5
3.2. Architectural Roles/Components . . . . . . . . . . . . . 5
3.2.1. Orchestrator(s) . . . . . . . . . . . . . . . . . . . 6
3.2.2. Repositories/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 . . . . . . . . . . . . . 7
3.4.2. Evaluation Sub-Architecture . . . . . . . . . . . . . 10
4. Interactions . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1. Interaction Categories . . . . . . . . . . . . . . . . . 12
4.1.1. Broadcast . . . . . . . . . . . . . . . . . . . . . . 12
4.1.2. Directed . . . . . . . . . . . . . . . . . . . . . . 13
4.2. Management Plane Functions . . . . . . . . . . . . . . . 13
4.2.1. Orchestrator Onboarding . . . . . . . . . . . . . . . 13
4.2.2. Component Onboarding . . . . . . . . . . . . . . . . 14
4.3. Component Interactions . . . . . . . . . . . . . . . . . 15
4.3.1. Initiate Ad-Hoc Collection . . . . . . . . . . . . . 15
4.3.2. Coordinate Periodic Collection . . . . . . . . . . . 15
4.3.3. Coordinate Observational/Event-based
Collection . . . . . . . . . . . . . . . . . . . . . 16
4.3.4. Persist Collected Posture Attributes . . . . . . . . 16
4.3.5. Initiate Ad-Hoc Evaluation . . . . . . . . . . . . . 16
4.3.6. Coordinate Periodic Evaluation . . . . . . . . . . . 16
4.3.7. Coordinate Change-based Evaluation . . . . . . . . . 16
4.3.8. Queries . . . . . . . . . . . . . . . . . . . . . . . 17
5. Taxonomy . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.1. Orchestrator Registration . . . . . . . . . . . . . . . . 17
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