Cybersecurity

Attack Surface

/əˈtæk ˈsɜːfɪs/

Definition

The total number of points where an attacker could try to enter or extract data from a system.

Example in context

"Moving to zero-trust reduced our attack surface — services no longer trust network location alone."

Related terms

Practice this term

Master Attack Surface in context by working through exercises in the Cybersecurity module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.