Accession Number:

AD1033873

Title:

A Model of Network Porosity

Descriptive Note:

Technical Report

Corporate Author:

MASSACHUSETTS INST OF TECH LEXINGTON LEXINGTON United States

Report Date:

2016-02-04

Pagination or Media Count:

39.0

Abstract:

Compartmentalization is one of the standard mechanisms used by defenders to secure enterprise networks. Unfortunately, the compartmentalization process from a security standpoint currently remains more of an art than a science. Even when this art is well executed, the ongoing evolution of the network often violates initial, security-critical design assumptions. Toward improving operational security, MIT Lincoln Laboratory has a collection of metrics which can be used to continuously assess risk within the context of cyber security. One important security metric in this collection is a measure for managing network boundaries and filters or network porosity. This metric computes the risk inherent to a given network architecture. This technical report describes the model that underlies the network porosity metric and a simulation implementing the model.

Subject Categories:

  • Computer Programming and Software
  • Computer Systems

Distribution Statement:

APPROVED FOR PUBLIC RELEASE