Collaborative Automated Course of Action Operations (CACAO) for Cyber Security

Document Type Expired Internet-Draft (individual)
Authors Bret Jordan  , Allan Thomson  , Jyoti Verma 
Last updated 2019-09-09 (latest revision 2019-03-08)
Stream (None)
Expired & archived
plain text pdf htmlized bibtex
Stream Stream state (No stream defined)
Consensus Boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes the need for defining a standardized language and associated protocols to capture and automate a collection of coordinated cyber security actions and responses. This collection of actions is called a Course of Action (COA) Playbook.


Bret Jordan (
Allan Thomson (
Jyoti Verma (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)