---
type: "term"
title: "Threat Topology"
description: "A structural property of TLCTC describing whether a threat cluster (or a concrete attack step) operates primarily within the software domain's technical attack surfaces ( internal ) or enables crossing domain boundaries ( bridge )."
resource: "tlctc:term:threat-topology"
tags:
  - "glossary"
---
# Threat Topology

A structural property of TLCTC describing whether a threat cluster (or a concrete attack step) operates primarily within the software domain's technical attack surfaces (**internal**) or enables crossing domain boundaries (**bridge**).

**Reference:** §5.0 (Topology in TLCTC), §5.1 (Definitions)