---
type: "term"
title: "Bridge Cluster"
description: "A TLCTC cluster whose generic vulnerability inherently enables crossing into (or leveraging over) a different domain's control regime."
resource: "tlctc:term:bridge-cluster"
tags:
  - "glossary"
---
# Bridge Cluster

A TLCTC cluster whose generic vulnerability **inherently** enables crossing into (or leveraging over) a different domain's control regime. Bridge clusters are: `#8 Physical Attack`, `#9 Social Engineering`, and `#10 Supply Chain Attack`.

**Reference:** §4.2.2 (Global Definitions), §5.1.4, §5.2 (Topology Classification)

**Related reading:** [TLCTC classification decision tree V2.0/V2.1](https://www.tlctc.net/tlctc-decision-tree.html), [Topology of cyber attacks — Bridge vs Internal](https://www.tlctc.net/tlctc-topology-of-cyber-attacks.html)