RFC 3227 (rfc3227) - Page 1 of 10


Guidelines for Evidence Collection and Archiving



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Network Working Group                                       D. Brezinski
Request for Comments: 3227                                      In-Q-Tel
BCP: 55                                                      T. Killalea
Category: Best Current Practice                                neart.org
                                                           February 2002


            Guidelines for Evidence Collection and Archiving

Status of this Memo

   This document specifies an Internet Best Current Practices for the
   Internet Community, and requests discussion and suggestions for
   improvements.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2002).  All Rights Reserved.

Abstract

   A "security incident" as defined in the "Internet Security Glossary",
   RFC 2828, is a security-relevant system event in which the system's
   security policy is disobeyed or otherwise breached.  The purpose of
   this document is to provide System Administrators with guidelines on
   the collection and archiving of evidence relevant to such a security
   incident.

   If evidence collection is done correctly, it is much more useful in
   apprehending the attacker, and stands a much greater chance of being
   admissible in the event of a prosecution.

Table of Contents

   1 Introduction.................................................... 2
     1.1 Conventions Used in this Document........................... 2
   2 Guiding Principles during Evidence Collection................... 3
     2.1 Order of Volatility......................................... 4
     2.2 Things to avoid............................................. 4
     2.3 Privacy Considerations...................................... 5
     2.4 Legal Considerations........................................ 5
   3 The Collection Procedure........................................ 6
     3.1 Transparency................................................ 6
     3.2 Collection Steps............................................ 6
   4 The Archiving Procedure......................................... 7
     4.1 Chain of Custody............................................ 7
     4.2 The Archive................................................. 7
   5 Tools you'll need............................................... 7



Brezinski & Killalea     Best Current Practice


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