ESSENTIAL GUIDANCE · EASM · 6 min read
Part of Expose insights →What is attack surface monitoring?
A plain-English introduction to continuously discovering and managing everything your organisation exposes online.
A plain-English introduction to continuously discovering and managing everything your organisation exposes online.
Need an acronym translated?Open the cyber glossary →Your attack surface is the outside view
Your external attack surface includes the domains, applications, cloud services, APIs and infrastructure reachable from the internet. Attack surface monitoring keeps that view current as technology changes.
Discovery is only the start
Useful External Attack Surface Management (EASMi) adds context: who owns an asset, what it exposes, whether it matters and what should happen next. AI provides continuous coverage while human judgement turns findings into decisions.
From visibility to action
The goal is not another list. A mature process assigns ownership, prioritises risk, tracks remediation and confirms closure—creating a continuous threat exposure management loop.
This guide covers the essentials. Continue into our technical analysis for a firmer position, practical implications and recommended action.
Read “Vulnerability remediation needs an operating model—not another spreadsheet” →
